GridView七十二绝技-大全(收藏版)(转至别人博客)
快速预览:
GridView无代码分页排序
GridView选中,编辑,取消,删除
GridView正反双向排序
GridView和下拉菜单DropDownList结合
GridView和CheckBox结合
鼠标移到GridView某一行时改变该行的背景色方法一
鼠标移到GridView某一行时改变该行的背景色方法二
GridView实现删除时弹出确认对话框
GridView实现自动编号
GridView实现自定义时间货币等字符串格式
GridView实现用“...”代替超长字符串
GridView一般换行与强制换行
GridView显示隐藏某一列
GridView弹出新页面/弹出新窗口
GridView固定表头(不用javascript只用CSS,2行代码,很好用)
GridView合并表头多重表头无错完美版(以合并3列3行举例)
GridView突出显示某一单元格(例如金额低于多少,分数不及格等)
GridView加入自动求和求平均值小计
GridView数据导入Excel/Excel数据读入GridView
1.GridView无代码分页排序:
效果图:
1.AllowSorting设为True,aspx代码中是AllowSorting="True";
2.默认1页10条,如果要修改每页条数,修改PageSize即可,在aspx代码中是PageSize="12"。
3.默认的是单向排序的,右击GridView弹出“属性”,选择AllowSorting为True即可。
2.GridView选中,编辑,取消,删除:
效果图:
后台代码:
你可以使用sqlhelper,本文没用。代码如下:
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
//清清月儿http://blog.csdn.net/21aspnet
SqlConnection sqlcon;
SqlCommand sqlcom;
string strCon = "Data Source=(local);Database=数据库名;Uid=帐号;Pwd=密码";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
bind();
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
bind();
}
//删除
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
string sqlstr = "delete from 表 where id='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
sqlcon = new SqlConnection(strCon);
sqlcom = new SqlCommand(sqlstr,sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
bind();
}
//更新
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
sqlcon = new SqlConnection(strCon);
string sqlstr = "update 表 set 字段1='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',字段2='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[2].Controls[0])).Text.ToString().Trim() + "',字段3='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "' where id='"
+ GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
sqlcom=new SqlCommand(sqlstr,sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
GridView1.EditIndex = -1;
bind();
}
//取消
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
bind();
}
//绑定
public void bind()
{
string sqlstr = "select * from 表";
sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "表");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "id" };//主键
GridView1.DataBind();
sqlcon.Close();
}
}
前台主要代码:
... ...
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="4"
ForeColor="#333333" GridLines="None" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating" OnRowCancelingEdit="GridView1_RowCancelingEdit">
<FooterStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
<Columns>
<asp:BoundField DataField="身份证号码" HeaderText="用户ID" ReadOnly="True" />
<asp:BoundField DataField="姓名" HeaderText="用户姓名" />
<asp:BoundField DataField="员工性别" HeaderText="性别" />
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
<asp:CommandField HeaderText="选择" ShowSelectButton="True" />
<asp:CommandField HeaderText="编辑" ShowEditButton="True" />
<asp:CommandField HeaderText="删除" ShowDeleteButton="True" />
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
3.GridView正反双向排序:
效果图:点姓名各2次的排序,点其他也一样可以。
后台代码:
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class Default3 : System.Web.UI.Page
{
//清清月儿的博客http://blog.csdn.net/21aspnet
SqlConnection sqlcon;
string strCon = "Data Source=(local);Database=北风贸易;Uid=sa;Pwd=";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
ViewState["SortOrder"] = "身份证号码";
ViewState["OrderDire"] = "ASC";
bind();
}
}
protected void GridView1_Sorting(object sender, GridViewSortEventArgs e)
{
string sPage = e.SortExpression;
if (ViewState["SortOrder"].ToString() == sPage)
{
if (ViewState["OrderDire"].ToString() == "Desc")
ViewState["OrderDire"] = "ASC";
else
ViewState["OrderDire"] = "Desc";
}
else
{
ViewState["SortOrder"] = e.SortExpression;
}
bind();
}
public void bind()
{
string sqlstr = "select top 5 * from 飞狐工作室";
sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "飞狐工作室");
DataView view = myds.Tables["飞狐工作室"].DefaultView;
string sort = (string)ViewState["SortOrder"] + " " + (string)ViewState["OrderDire"];
view.Sort = sort;
GridView1.DataSource = view;
GridView1.DataBind();
sqlcon.Close();
}
}
前台主要代码:
<asp:GridView ID="GridView1" runat="server" AllowSorting="True" AutoGenerateColumns="False"
CellPadding="3" Font-Size="9pt" OnSorting="GridView1_Sorting" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px">
<FooterStyle BackColor="White" ForeColor="#000066" />
<Columns>
<asp:BoundField DataField="身份证号码" HeaderText="用户ID" SortExpression="身份证号码" />
<asp:BoundField DataField="姓名" HeaderText="用户姓名" SortExpression="姓名"/>
<asp:BoundField DataField="员工性别" HeaderText="性别" SortExpression="员工性别"/>
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" SortExpression="家庭住址"/>
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
4.GridView和下拉菜单DropDownList结合:
效果图:
后台代码:
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class Default4 : System.Web.UI.Page
{
SqlConnection sqlcon;
string strCon = "Data Source=(local);Database=北风贸易;Uid=sa;Pwd=sa";
protected void Page_Load(object sender, EventArgs e)
{
DropDownList ddl;
if (!IsPostBack)
{
string sqlstr = "select top 5 * from 飞狐工作室";
sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "飞狐工作室");
GridView1.DataSource = myds;
GridView1.DataBind();
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
DataRowView mydrv = myds.Tables["飞狐工作室"].DefaultView[i];
if (Convert.ToString(mydrv["员工性别"]).Trim() == "True")
{
ddl = (DropDownList)GridView1.Rows[i].FindControl("DropDownList1");
ddl.SelectedIndex = 0;
}
if (Convert.ToString(mydrv["员工性别"]).Trim() == "False")
{
ddl = (DropDownList)GridView1.Rows[i].FindControl("DropDownList1");
ddl.SelectedIndex = 1;
}
}
sqlcon.Close();
}
}
public SqlDataReader ddlbind()
{
string sqlstr = "select distinct 员工性别 from 飞狐工作室";
sqlcon = new SqlConnection(strCon);
SqlCommand sqlcom = new SqlCommand(sqlstr, sqlcon);
sqlcon.Open();
return sqlcom.ExecuteReader();
}
前台主要代码:
<asp:GridView ID="GridView1" runat="server" AllowSorting="True" AutoGenerateColumns="False"
CellPadding="3" Font-Size="9pt" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px">
<FooterStyle BackColor="White" ForeColor="#000066" />
<Columns>
<asp:BoundField DataField="身份证号码" HeaderText="用户ID" SortExpression="身份证号码" />
<asp:BoundField DataField="姓名" HeaderText="用户姓名" SortExpression="姓名"/>
<asp:TemplateField HeaderText="员工性别">
<ItemTemplate>
<asp:DropDownList ID="DropDownList1" runat="server" DataSource='<%# ddlbind()%>' DataValueField="员工性别" DataTextField="员工性别">
</asp:DropDownList>
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" SortExpression="家庭住址"/>
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
5.GridView和CheckBox结合:
效果图:
后台代码:
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class Default5 : System.Web.UI.Page
{
//清清月儿http://blog.csdn.net/21aspnet
SqlConnection sqlcon;
string strCon = "Data Source=(local);Database=北风贸易;Uid=sa;Pwd=sa";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
bind();
}
}
protected void CheckBox2_CheckedChanged(object sender, EventArgs e)
{
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
CheckBox cbox = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1");
if (CheckBox2.Checked == true)
{
cbox.Checked = true;
}
else
{
cbox.Checked = false;
}
}
}
protected void Button2_Click(object sender, EventArgs e)
{
sqlcon = new SqlConnection(strCon);
SqlCommand sqlcom;
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
CheckBox cbox = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1");
if (cbox.Checked == true)
{
string sqlstr = "delete from 飞狐工作室 where 身份证号码='" + GridView1.DataKeys[i].Value + "'";
sqlcom = new SqlCommand(sqlstr, sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
}
}
bind();
}
protected void Button1_Click(object sender, EventArgs e)
{
CheckBox2.Checked = false;
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
CheckBox cbox = (CheckBox)GridView1.Rows[i].FindControl("CheckBox1");
cbox.Checked = false;
}
}
public void bind()
{
string sqlstr = "select top 5 * from 飞狐工作室";
sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "tb_Member");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "身份证号码" };
GridView1.DataBind();
sqlcon.Close();
}
}
前台主要代码:
<asp:GridView ID="GridView1" runat="server" AllowSorting="True" AutoGenerateColumns="False"
CellPadding="3" Font-Size="9pt" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px">
<FooterStyle BackColor="White" ForeColor="#000066" />
<Columns>
<asp:TemplateField>
<ItemTemplate>
<asp:CheckBox ID="CheckBox1" runat="server" />
</ItemTemplate>
</asp:TemplateField>
<asp:BoundField DataField="身份证号码" HeaderText="用户ID" SortExpression="身份证号码" />
<asp:BoundField DataField="姓名" HeaderText="用户姓名" SortExpression="姓名"/>
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" SortExpression="家庭住址"/>
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
<asp:CheckBox ID="CheckBox2" runat="server" AutoPostBack="True" Font-Size="9pt" OnCheckedChanged="CheckBox2_CheckedChanged"
Text="全选" />
<asp:Button ID="Button1" runat="server" Font-Size="9pt" Text="取消" OnClick="Button1_Click" />
<asp:Button ID="Button2" runat="server" Font-Size="9pt" Text="删除" OnClick="Button2_Click" />
6.鼠标移到GridView某一行时改变该行的背景色方法一:
效果图:
做法:
双击GridView的OnRowDataBound事件;
在后台的GridView1_RowDataBound()方法添加代码,最后代码如下所示:
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
int i;
//执行循环,保证每条数据都可以更新
for (i = 0; i < GridView1.Rows.Count; i++)
{
//首先判断是否是数据行
if (e.Row.RowType == DataControlRowType.DataRow)
{
//当鼠标停留时更改背景色
e.Row.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#00A9FF'");
//当鼠标移开时还原背景色
e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
}
}
}
前台代码:
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>实现鼠标划过改变GridView的行背景色 清清月儿http://blog.csdn.net/21aspnet </title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="身份证号码"
DataSourceID="SqlDataSource1" AllowSorting="True" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" CellPadding="3" Font-Size="12px" OnRowDataBound="GridView1_RowDataBound">
<Columns>
<asp:BoundField DataField="身份证号码" HeaderText="身份证号码" ReadOnly="True" SortExpression="身份证号码" />
<asp:BoundField DataField="姓名" HeaderText="姓名" SortExpression="姓名" />
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" SortExpression="家庭住址" />
<asp:BoundField DataField="邮政编码" HeaderText="邮政编码" SortExpression="邮政编码" />
</Columns>
<FooterStyle BackColor="White" ForeColor="#000066" />
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:北风贸易ConnectionString1 %>"
SelectCommand="SELECT top 5 [身份证号码], [姓名], [员工性别], [家庭住址], [邮政编码] FROM [飞狐工作室]" DataSourceMode="DataReader"></asp:SqlDataSource>
</div>
</form>
</body>
</html>
7.鼠标移到GridView某一行时改变该行的背景色方法二:
效果图:
做法:和上面的一样就是代码不同
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
//int i;
////执行循环,保证每条数据都可以更新
//for (i = 0; i < GridView1.Rows.Count; i++)
//{
// //首先判断是否是数据行
// if (e.Row.RowType == DataControlRowType.DataRow)
// {
// //当鼠标停留时更改背景色
// e.Row.Attributes.Add("onmouseover", "c=this.style.backgroundColor;this.style.backgroundColor='#00A9FF'");
// //当鼠标移开时还原背景色
// e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor=c");
// }
//}
//如果是绑定数据行
if (e.Row.RowType == DataControlRowType.DataRow)
{
//鼠标经过时,行背景色变
e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='#E6F5FA'");
//鼠标移出时,行背景色变
e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='#FFFFFF'");
}
}
8.GridView实现删除时弹出确认对话框:
效果图:
实现方法:
双击GridView的OnRowDataBound事件;
在后台的GridView1_RowDataBound()方法添加代码,最后代码如下所示:
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
//如果是绑定数据行
if (e.Row.RowType == DataControlRowType.DataRow)
{
if (e.Row.RowState == DataControlRowState.Normal || e.Row.RowState == DataControlRowState.Alternate)
{
((LinkButton)e.Row.Cells[6].Controls[0]).Attributes.Add("onclick", "javascript:return confirm('你确认要删除:\"" + e.Row.Cells[1].Text + "\"吗?')");
}
}
}
9.GridView实现自动编号:
效果图:
实现方法:
双击GridView的OnRowDataBound事件;
在后台的GridView1_RowDataBound()方法添加代码,最后代码如下所示:
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
//如果是绑定数据行 //清清月儿http://blog.csdn.net/21aspnet
if (e.Row.RowType == DataControlRowType.DataRow)
{
////鼠标经过时,行背景色变
//e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='#E6F5FA'");
////鼠标移出时,行背景色变
//e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='#FFFFFF'");
////当有编辑列时,避免出错,要加的RowState判断
//if (e.Row.RowState == DataControlRowState.Normal || e.Row.RowState == DataControlRowState.Alternate)
//{
// ((LinkButton)e.Row.Cells[6].Controls[0]).Attributes.Add("onclick", "javascript:return confirm('你确认要删除:\"" + e.Row.Cells[1].Text + "\"吗?')");
//}
}
if (e.Row.RowIndex != -1)
{
int id = e.Row.RowIndex + 1;
e.Row.Cells[0].Text = id.ToString();
}
}
注意这时最好把前台的第一列的表头该为“编号”,因为以前的第一列被“吃掉”了。
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="3" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating" OnRowCancelingEdit="GridView1_RowCancelingEdit" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" Font-Size="12px" OnRowDataBound="GridView1_RowDataBound">
<FooterStyle BackColor="White" ForeColor="#000066" />
<Columns>
<asp:BoundField DataField="身份证号码" HeaderText="编号" ReadOnly="True" />
<asp:BoundField DataField="姓名" HeaderText="用户姓名" />
<asp:BoundField DataField="员工性别" HeaderText="性别" />
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
<asp:CommandField HeaderText="选择" ShowSelectButton="True" />
<asp:CommandField HeaderText="编辑" ShowEditButton="True" />
<asp:CommandField HeaderText="删除" ShowDeleteButton="True" />
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
10.GridView实现自定义时间货币等字符串格式:
效果图:
图1-未格式化前
图2-格式化后
解决方法:
在asp.net 2.0中,如果要在绑定列中显示比如日期格式等,如果用下面的方法是显示不了的
<asp :BoundField DataField="CreationDate"
DataFormatString="{0:M-dd-yyyy}"
HeaderText="CreationDate" />
主要是由于htmlencode属性默认设置为true,已防止XSS攻击,安全起见而用的,所以,可以有以下两种方法解决
1、
<asp :GridView ID="GridView1" runat="server">
<columns>
<asp :BoundField DataField="CreationDate"
DataFormatString="{0:M-dd-yyyy}"
HtmlEncode="false"
HeaderText="CreationDate" />
</columns>
</asp>
将htmlencode设置为false即可
另外的解决方法为,使用模版列
<asp :GridView ID="GridView3" runat="server" >
<columns>
<asp :TemplateField HeaderText="CreationDate" >
<edititemtemplate>
<asp :Label ID="Label1" runat="server"
Text='<%# Eval("CreationDate", "{0:M-dd-yyyy}") %>'>
</asp>
</edititemtemplate>
<itemtemplate>
<asp :Label ID="Label1" runat="server"
Text=’<%# Bind("CreationDate", "{0:M-dd-yyyy}") %>'>
</asp>
</itemtemplate>
</asp>
</columns>
</asp>
前台代码:
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" DataKeyNames="身份证号码"
DataSourceID="SqlDataSource1" AllowSorting="True" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" CellPadding="3" Font-Size="12px" OnRowDataBound="GridView1_RowDataBound">
<Columns>
<asp:BoundField DataField="身份证号码" HeaderText="身份证号码" ReadOnly="True" SortExpression="身份证号码" />
<asp:BoundField DataField="姓名" HeaderText="姓名" SortExpression="姓名" />
<asp:BoundField DataField="邮政编码" HeaderText="邮政编码" SortExpression="邮政编码" />
<asp:BoundField DataField="出生日期" HeaderText="出生日期" SortExpression="出生日期" />
<asp:BoundField DataField="起薪" HeaderText="起薪" SortExpression="起薪" />
</Columns>
<FooterStyle BackColor="White" ForeColor="#000066" />
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:北风贸易ConnectionString1 %>"
SelectCommand="SELECT top 5 [出生日期], [起薪], [身份证号码], [姓名], [家庭住址], [邮政编码] FROM [飞狐工作室]" DataSourceMode="DataReader"></asp:SqlDataSource>
附录-常用格式化公式:
{0:C} 货币;
{0:D4}由0填充的4个字符宽的字段中显示整数;
{0:000.0}四舍五入小数点保留第几位有效数字;
{0:N2}小数点保留2位有效数字;{0:N2}% 小数点保留2位有效数字加百分号;
{0:D}长日期;{0:d}短日期;{0:yy-MM-dd} 例如07-3-25;;{0:yyyy-MM-dd} 例如2007-3-25
11.GridView实现用“...”代替超长字符串:
效果图:
解决方法:数据绑定后过滤每一行即可
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
DataRowView mydrv;
string gIntro;
if (GridView1.PageIndex == 0)
{
mydrv = myds.Tables["飞狐工作室"].DefaultView[i];//表名
gIntro = Convert.ToString(mydrv["家庭住址"]);//所要处理的字段
GridView1.Rows[i].Cells[3].Text = SubStr(gIntro, 2);
}
else
{
mydrv = myds.Tables["飞狐工作室"].DefaultView[i + (5 * GridView1.PageIndex)];
gIntro = Convert.ToString(mydrv["家庭住址"]);
GridView1.Rows[i].Cells[3].Text = SubStr(gIntro, 2);
}
}
调用的方法:
public string SubStr(string sString, int nLeng)
{
if (sString.Length <= nLeng)
{
return sString;
}
string sNewStr = sString.Substring(0, nLeng);
sNewStr = sNewStr + "...";
return sNewStr;
}
后台全部代码:
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
SqlConnection sqlcon;
SqlCommand sqlcom;
string strCon = "Data Source=(local);Database=北风贸易;Uid=sa;Pwd=sa";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
ViewState["SortOrder"] = "身份证号码";
ViewState["OrderDire"] = "ASC";
bind();
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
bind();
}
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
string sqlstr = "delete from 飞狐工作室 where 身份证号码='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
sqlcon = new SqlConnection(strCon);
sqlcom = new SqlCommand(sqlstr,sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
bind();
}
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
sqlcon = new SqlConnection(strCon);
string sqlstr = "update 飞狐工作室 set 姓名='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',家庭住址='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "' where 身份证号码='"
+ GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
sqlcom=new SqlCommand(sqlstr,sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
GridView1.EditIndex = -1;
bind();
}
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
bind();
}
public void bind()
{
string sqlstr = "select top 5 * from 飞狐工作室";
sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "飞狐工作室");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "身份证号码" };
GridView1.DataBind();
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
DataRowView mydrv;
string gIntro;
if (GridView1.PageIndex == 0)
{
mydrv = myds.Tables["飞狐工作室"].DefaultView[i];
gIntro = Convert.ToString(mydrv["家庭住址"]);
GridView1.Rows[i].Cells[3].Text = SubStr(gIntro, 2);
}
else
{
mydrv = myds.Tables["飞狐工作室"].DefaultView[i + (5 * GridView1.PageIndex)];
gIntro = Convert.ToString(mydrv["家庭住址"]);
GridView1.Rows[i].Cells[3].Text = SubStr(gIntro, 2);
}
}
sqlcon.Close();
}
public string SubStr(string sString, int nLeng)
{
if (sString.Length <= nLeng)
{
return sString;
}
string sNewStr = sString.Substring(0, nLeng);
sNewStr = sNewStr + "...";
return sNewStr;
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
//如果是绑定数据行
if (e.Row.RowType == DataControlRowType.DataRow)
{
////鼠标经过时,行背景色变
//e.Row.Attributes.Add("onmouseover", "this.style.backgroundColor='#E6F5FA'");
////鼠标移出时,行背景色变
//e.Row.Attributes.Add("onmouseout", "this.style.backgroundColor='#FFFFFF'");
////当有编辑列时,避免出错,要加的RowState判断
//if (e.Row.RowState == DataControlRowState.Normal || e.Row.RowState == DataControlRowState.Alternate)
//{
// ((LinkButton)e.Row.Cells[6].Controls[0]).Attributes.Add("onclick", "javascript:return confirm('你确认要删除:\"" + e.Row.Cells[1].Text + "\"吗?')");
//}
}
if (e.Row.RowIndex != -1)
{
int id = e.Row.RowIndex + 1;
e.Row.Cells[0].Text = id.ToString();
}
}
}
11.GridView一般换行与强制换行:
效果图:
首先设置<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" ItemStyle-Width="100" />
gridview里有一列绑定的数据很长,显示的时候在一行里面显示,页面拉得很宽。
原因是连续英文段为一个整体导致的,在RowDataBound中添加上了一句e.Row.Cells[2].Style.Add("word-break", "break-all")就可以。
如果要给所有的列增加此属性:
protected void Page_Load(object sender, EventArgs e)
{
//正常换行
GridView1.Attributes.Add("style", "word-break:keep-all;word-wrap:normal");
//下面这行是自动换行
GridView1.Attributes.Add("style", "word-break:break-all;word-wrap:break-word");
if (!IsPostBack)
{
bind();//调用数据绑定即可
}
}
总之:善用CSS的word-break:break-all;word-wrap:break-word属性即可,这个属性是通用的对于顽固的南换行问题都可以解决,不局限于GridView。
12.GridView显示隐藏某一列:
本方案为月儿独创,不同于网上其他方式,我觉得用一个CheckBox更人性化,这样可以隐藏不必要的列,让用户自己选择需要出现的列,在处理多列时这是一个很好的解决方案!
效果图:
图1-开始
图2-点击显示的CheckBox后
解决方案:
public void bind()
{
string sqlstr = "select top 5 * from 飞狐工作室";
sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "飞狐工作室");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "身份证号码" };
GridView1.DataBind();
sqlcon.Close();
GridView1.Columns[3].Visible = false;//一开始隐藏
CheckBox1.Checked = false;//如果不这样后面的代码会把他True
}
双击CheckBox1,在CheckedChanged方法里写上代码,最后代码如下:
protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
{
GridView1.Columns[3].Visible=! GridView1.Columns[3].Visible;
Response.Write("GridView1的第4列现在的显示隐藏状态是:"+GridView1.Columns[3].Visible.ToString());
}
注意:CheckBox1的AutoPostBack要True!
后台全部代码如下:
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
public partial class _Default : System.Web.UI.Page
{
SqlConnection sqlcon;
SqlCommand sqlcom;
string strCon = "Data Source=(local);Database=北风贸易;Uid=sa;Pwd=sa";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
ViewState["SortOrder"] = "身份证号码";
ViewState["OrderDire"] = "ASC";
bind();
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
bind();
}
protected void GridView1_RowDeleting(object sender, GridViewDeleteEventArgs e)
{
string sqlstr = "delete from 飞狐工作室 where 身份证号码='" + GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
sqlcon = new SqlConnection(strCon);
sqlcom = new SqlCommand(sqlstr,sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
bind();
}
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
sqlcon = new SqlConnection(strCon);
string sqlstr = "update 飞狐工作室 set 姓名='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',家庭住址='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "' where 身份证号码='"
+ GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
sqlcom=new SqlCommand(sqlstr,sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
GridView1.EditIndex = -1;
bind();
}
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
bind();
}
public void bind()
{
string sqlstr = "select top 5 * from 飞狐工作室";
sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "飞狐工作室");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "身份证号码" };
GridView1.DataBind();
sqlcon.Close();
GridView1.Columns[3].Visible = false;
CheckBox1.Checked = false;
}
protected void CheckBox1_CheckedChanged(object sender, EventArgs e)
{
GridView1.Columns[3].Visible=! GridView1.Columns[3].Visible;
Response.Write("GridView1的第4列现在的显示隐藏状态是:"+GridView1.Columns[3].Visible.ToString());
}
}
前台代码:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>GridView显示隐藏列 清清月儿http://blog.csdn.net/21aspnet </title>
</head>
<body style="font-size=12px">
<form id="form1" runat="server">
<div>
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="3" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating" OnRowCancelingEdit="GridView1_RowCancelingEdit" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" Font-Size="12px" >
<FooterStyle BackColor="White" ForeColor="#000066" />
<Columns>
<asp:BoundField DataField="身份证号码" HeaderText="编号" ReadOnly="True" />
<asp:BoundField DataField="姓名" HeaderText="用户姓名" />
<asp:BoundField DataField="邮政编码" HeaderText="邮政编码" SortExpression="邮政编码" />
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
<asp:CommandField HeaderText="选择" ShowSelectButton="True" />
<asp:CommandField HeaderText="编辑" ShowEditButton="True" />
<asp:CommandField HeaderText="删除" ShowDeleteButton="True" />
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
<asp:CheckBox ID="CheckBox1" runat="server" AutoPostBack="True" Font-Size="12px"
OnCheckedChanged="CheckBox1_CheckedChanged" Text="显示隐藏家庭住址" /></div>
</form>
</body>
</html>
13.GridView弹出新页面/弹出制定大小位置新窗口:
效果图:
方案一:简单的方法,新窗口不固定大小
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="3" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating" OnRowCancelingEdit="GridView1_RowCancelingEdit" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" Font-Size="12px" >
<FooterStyle BackColor="White" ForeColor="#000066" />
<Columns>
<asp:BoundField DataField="身份证号码" HeaderText="编号" ReadOnly="True" />
<asp:BoundField DataField="邮政编码" HeaderText="邮政编码" SortExpression="邮政编码" />
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
<asp:HyperLinkField HeaderText="姓名" Text="姓名" DataNavigateUrlFields="姓名" DataNavigateUrlFormatString="Default6.aspx?GoodsID={0}" Target="mainframe" NavigateUrl="~/Default6.aspx" DataTextField="姓名" >
</asp:HyperLinkField>
<asp:CommandField HeaderText="选择" ShowSelectButton="True" />
<asp:CommandField HeaderText="编辑" ShowEditButton="True" />
<asp:CommandField HeaderText="删除" ShowDeleteButton="True" />
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" />
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
DataNavigateUrlFields是链接的字段名,DataNavigateUrlFormatString是路径。
方案二:精确控制弹出窗口大小位置
<asp:HyperLinkColumn DataNavigateUrlField="EmployeeID" DataNavigateUrlFormatString="javascript:varwin=window.open('detail.aspx?ID={0}',null,'width=300,height=200');window.Close();"
DataTextField="LastName" HeaderText="LastName"></asp:HyperLinkColumn>
使用的是结合javascript的window.open方法,关于window.open的参数网上有很多帖子,本站也有许多参考
弹出窗口大全 http://blog.csdn.net/21aspnet/archive/2004/10/25/150231.aspx 即可!
14.GridView固定表头(不用javascript只用CSS!,很好用):
效果图:
代码:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>GridView固定表头 清清月儿http://blog.csdn.net/21aspnet </title>
<style>
.Freezing
{
position:relative ;
table-layout:fixed;
top:expression(this.offsetParent.scrollTop);
z-index: 10;
}
.Freezing th{text-overflow:ellipsis;overflow:hidden;white-space: nowrap;padding:2px;}
</style>
</head>
<body style="font-size=12px">
<form id="form1" runat="server">
<div style="overflow-y: scroll; height: 200px;width:300px" id="dvBody">
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="3" OnRowDeleting="GridView1_RowDeleting" OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating" OnRowCancelingEdit="GridView1_RowCancelingEdit" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" Font-Size="12px" OnRowCreated="GridView1_RowCreated" >
<FooterStyle BackColor="White" ForeColor="#000066" />
<Columns>
<asp:BoundField DataField="身份证号码" HeaderText="编号" ReadOnly="True" />
<asp:BoundField DataField="邮政编码" HeaderText="邮政编码" SortExpression="邮政编码" />
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
<asp:BoundField DataField="姓名" HeaderText="姓名" />
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" CssClass="ms-formlabel DataGridFixedHeader"/>
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" CssClass="Freezing"/>
</asp:GridView>
</div>
</form>
</body>
</html>
用法:CSS设如上的样式,HeaderStyle加CssClass="Freezing,套住GridView的Div设置高度宽度 <div style="overflow-y: scroll; height: 200px;width:200px" >
15.GridView合并表头多重表头无错完美版(以合并3列3行举例)
效果图:
后台代码:
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Drawing;
public partial class _Default : System.Web.UI.Page
{
SqlConnection sqlcon;
SqlCommand sqlcom;
string strCon = "Data Source=(local);Database=北风贸易;Uid=sa;Pwd=sa";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
bind();
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
bind();
}
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
sqlcon = new SqlConnection(strCon);
string sqlstr = "update 飞狐工作室 set 姓名='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',家庭住址='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "' where 身份证号码='"
+ GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
sqlcom=new SqlCommand(sqlstr,sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
GridView1.EditIndex = -1;
bind();
}
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
bind();
}
public void bind()
{
string sqlstr = "select top 10 * from 飞狐工作室";
sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "飞狐工作室");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "身份证号码" };
GridView1.DataBind();
sqlcon.Close();
}
//这里就是解决方案
protected void GridView1_RowCreated(object sender, GridViewRowEventArgs e)
{
switch (e.Row.RowType)
{
case DataControlRowType.Header:
//第一行表头
TableCellCollection tcHeader = e.Row.Cells;
tcHeader.Clear();
tcHeader.Add(new TableHeaderCell());
tcHeader[0].Attributes.Add("rowspan", "3"); //跨Row
tcHeader[0].Attributes.Add("bgcolor", "white");
tcHeader[0].Text = "";
tcHeader.Add(new TableHeaderCell());
//tcHeader[1].Attributes.Add("bgcolor", "Red");
tcHeader[1].Attributes.Add("colspan", "6"); //跨Column
tcHeader[1].Text = "全部信息</th></tr><tr>";
//第二行表头
tcHeader.Add(new TableHeaderCell());
tcHeader[2].Attributes.Add("bgcolor", "DarkSeaGreen");
tcHeader[2].Text = "身份证号码";
tcHeader.Add(new TableHeaderCell());
tcHeader[3].Attributes.Add("bgcolor", "LightSteelBlue");
tcHeader[3].Attributes.Add("colspan", "2");
tcHeader[3].Text = "基本信息";
tcHeader.Add(new TableHeaderCell());
tcHeader[4].Attributes.Add("bgcolor", "DarkSeaGreen");
tcHeader[4].Text = "福利";
tcHeader.Add(new TableHeaderCell());
tcHeader[5].Attributes.Add("bgcolor", "LightSteelBlue");
tcHeader[5].Attributes.Add("colspan", "2");
tcHeader[5].Text = "联系方式</th></tr><tr>";
//第三行表头
tcHeader.Add(new TableHeaderCell());
tcHeader[6].Attributes.Add("bgcolor", "Khaki");
tcHeader[6].Text = "身份证号码";
tcHeader.Add(new TableHeaderCell());
tcHeader[7].Attributes.Add("bgcolor", "Khaki");
tcHeader[7].Text = "姓名";
tcHeader.Add(new TableHeaderCell());
tcHeader[8].Attributes.Add("bgcolor", "Khaki");
tcHeader[8].Text = "出生日期";
tcHeader.Add(new TableHeaderCell());
tcHeader[9].Attributes.Add("bgcolor", "Khaki");
tcHeader[9].Text = "薪水";
tcHeader.Add(new TableHeaderCell());
tcHeader[10].Attributes.Add("bgcolor", "Khaki");
tcHeader[10].Text = "家庭住址";
tcHeader.Add(new TableHeaderCell());
tcHeader[11].Attributes.Add("bgcolor", "Khaki");
tcHeader[11].Text = "邮政编码";
break;
}
}
}
前台:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>GridView合并多重表头表头 清清月儿http://blog.csdn.net/21aspnet </title>
</head>
<body >
<form id="form1" runat="server">
<div >
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="3" OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating" OnRowCancelingEdit="GridView1_RowCancelingEdit" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" Font-Size="12px" OnRowCreated="GridView1_RowCreated" >
<FooterStyle BackColor="White" ForeColor="#000066" />
<Columns>
<asp:CommandField HeaderText="编辑" ShowEditButton="True" />
<asp:BoundField DataField="身份证号码" HeaderText="编号" ReadOnly="True" />
<asp:BoundField DataField="姓名" HeaderText="姓名" />
<asp:BoundField DataField="出生日期" HeaderText="邮政编码" />
<asp:BoundField DataField="起薪" HeaderText="起薪" />
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
<asp:BoundField DataField="邮政编码" HeaderText="邮政编码" />
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" CssClass="ms-formlabel DataGridFixedHeader"/>
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
</div>
</form>
</body>
</html>
16.GridView突出显示某一单元格(例如金额低于多少,分数不及格等)
效果图:
解决方案:主要是绑定后过滤
GridView1.DataBind();
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
DataRowView mydrv = myds.Tables["飞狐工作室"].DefaultView[i];
string score = Convert.ToString(mydrv["起薪"]);
if (Convert.ToDouble(score) < 34297.00)//大家这里根据具体情况设置可能ToInt32等等
{
GridView1.Rows[i].Cells[4].BackColor = System.Drawing.Color.Red;
}
}
sqlcon.Close();
全部后台代码:
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Drawing;
public partial class Default7 : System.Web.UI.Page
{
SqlConnection sqlcon;
SqlCommand sqlcom;
string strCon = "Data Source=(local);Database=北风贸易;Uid=sa;Pwd=sa";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
bind();
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
bind();
}
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
sqlcon = new SqlConnection(strCon);
string sqlstr = "update 飞狐工作室 set 姓名='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',家庭住址='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "' where 身份证号码='"
+ GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
sqlcom = new SqlCommand(sqlstr, sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
GridView1.EditIndex = -1;
bind();
}
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
bind();
}
public void bind()
{
string sqlstr = "select top 10 * from 飞狐工作室";
sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "飞狐工作室");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "身份证号码" };
GridView1.DataBind();
for (int i = 0; i <= GridView1.Rows.Count - 1; i++)
{
DataRowView mydrv = myds.Tables["飞狐工作室"].DefaultView[i];
string score = Convert.ToString(mydrv["起薪"]);
if (Convert.ToDouble(score) < 34297.00)//大家这里根据具体情况设置可能ToInt32等等
{
GridView1.Rows[i].Cells[4].BackColor = System.Drawing.Color.Red;
}
}
sqlcon.Close();
}
}
前台代码:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
<title>GridView突出显示某一单元格 清清月儿http://blog.csdn.net/21aspnet </title>
</head>
<body >
<form id="form1" runat="server">
<div >
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="3" OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating" OnRowCancelingEdit="GridView1_RowCancelingEdit" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" Font-Size="12px" >
<FooterStyle BackColor="White" ForeColor="#000066" />
<Columns>
<asp:CommandField HeaderText="编辑" ShowEditButton="True" />
<asp:BoundField DataField="身份证号码" HeaderText="编号" ReadOnly="True" />
<asp:BoundField DataField="姓名" HeaderText="姓名" />
<asp:BoundField DataField="出生日期" HeaderText="邮政编码" />
<asp:BoundField DataField="起薪" HeaderText="起薪" DataFormatString="{0:C}" HtmlEncode="false"/>
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
<asp:BoundField DataField="邮政编码" HeaderText="邮政编码" />
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" CssClass="ms-formlabel DataGridFixedHeader"/>
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
</div>
</form>
</body>
</html>
17.GridView加入自动求和求平均值小计
效果图:
解决方案:
private double sum = 0;//取指定列的数据和,你要根据具体情况对待可能你要处理的是int
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowIndex >= 0)
{
sum += Convert.ToDouble(e.Row.Cells[6].Text);
}
else if (e.Row.RowType == DataControlRowType.Footer)
{
e.Row.Cells[5].Text = "总薪水为:";
e.Row.Cells[6].Text = sum.ToString();
e.Row.Cells[3].Text = "平均薪水为:";
e.Row.Cells[4].Text = ((int)(sum / GridView1.Rows.Count)).ToString();
}
}
后台全部代码:
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Drawing;
public partial class Default7 : System.Web.UI.Page
{
SqlConnection sqlcon;
SqlCommand sqlcom;
string strCon = "Data Source=(local);Database=北风贸易;Uid=sa;Pwd=sa";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
bind();
}
}
protected void GridView1_RowEditing(object sender, GridViewEditEventArgs e)
{
GridView1.EditIndex = e.NewEditIndex;
bind();
}
protected void GridView1_RowUpdating(object sender, GridViewUpdateEventArgs e)
{
sqlcon = new SqlConnection(strCon);
string sqlstr = "update 飞狐工作室 set 姓名='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[1].Controls[0])).Text.ToString().Trim() + "',家庭住址='"
+ ((TextBox)(GridView1.Rows[e.RowIndex].Cells[3].Controls[0])).Text.ToString().Trim() + "' where 身份证号码='"
+ GridView1.DataKeys[e.RowIndex].Value.ToString() + "'";
sqlcom = new SqlCommand(sqlstr, sqlcon);
sqlcon.Open();
sqlcom.ExecuteNonQuery();
sqlcon.Close();
GridView1.EditIndex = -1;
bind();
}
protected void GridView1_RowCancelingEdit(object sender, GridViewCancelEditEventArgs e)
{
GridView1.EditIndex = -1;
bind();
}
public void bind()
{
string sqlstr = "select top 5 * from 飞狐工作室";
sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "飞狐工作室");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "身份证号码" };
GridView1.DataBind();
sqlcon.Close();
}
private double sum = 0;//取指定列的数据和
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
if (e.Row.RowIndex >= 0)
{
sum += Convert.ToDouble(e.Row.Cells[6].Text);
}
else if (e.Row.RowType == DataControlRowType.Footer)
{
e.Row.Cells[5].Text = "总薪水为:";
e.Row.Cells[6].Text = sum.ToString();
e.Row.Cells[3].Text = "平均薪水为:";
e.Row.Cells[4].Text = ((int)(sum / GridView1.Rows.Count)).ToString();
}
}
}
前台:唯一的花头就是设置ShowFooter="True" ,否则默认表头为隐藏的!
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="3" OnRowEditing="GridView1_RowEditing"
OnRowUpdating="GridView1_RowUpdating" OnRowCancelingEdit="GridView1_RowCancelingEdit" BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" Font-Size="12px" OnRowDataBound="GridView1_RowDataBound" ShowFooter="True" >
<FooterStyle BackColor="White" ForeColor="#000066" />
<Columns>
<asp:CommandField HeaderText="编辑" ShowEditButton="True" />
<asp:BoundField DataField="身份证号码" HeaderText="编号" ReadOnly="True" />
<asp:BoundField DataField="姓名" HeaderText="姓名" />
<asp:BoundField DataField="出生日期" HeaderText="邮政编码" />
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
<asp:BoundField DataField="邮政编码" HeaderText="邮政编码" />
<asp:BoundField DataField="起薪" HeaderText="起薪" />
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" CssClass="ms-formlabel DataGridFixedHeader"/>
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
18.GridView数据导入Excel/Excel数据读入GridView
效果图:
解决方案:
页面增加一个按钮,单击事件添加如下方法:
protected void Button1_Click(object sender, EventArgs e)
{
Export("application/ms-excel", "学生成绩报表.xls");
}
private void Export(string FileType, string FileName)
{
Response.Charset = "GB2312";
Response.ContentEncoding = System.Text.Encoding.UTF7;
Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(FileName, Encoding.UTF8).ToString());
Response.ContentType = FileType;
this.EnableViewState = false;
StringWriter tw = new StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(tw);
GridView1.RenderControl(hw);
Response.Write(tw.ToString());
Response.End();
}
//如果没有下面方法会报错类型“GridView”的控件“GridView1”必须放在具有 runat=server 的窗体标记内
public override void VerifyRenderingInServerForm(Control control)
{
}
还有由于是文件操作所以要引入名称空间IO和Text
后台代码:
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Data.SqlClient;
using System.Drawing;
using System.IO;
using System.Text;
public partial class Default7 : System.Web.UI.Page
{
SqlConnection sqlcon;
SqlCommand sqlcom;
string strCon = "Data Source=(local);Database=北风贸易;Uid=sa;Pwd=sa";
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
bind();
}
}
public void bind()
{
string sqlstr = "select top 5 * from 飞狐工作室";
sqlcon = new SqlConnection(strCon);
SqlDataAdapter myda = new SqlDataAdapter(sqlstr, sqlcon);
DataSet myds = new DataSet();
sqlcon.Open();
myda.Fill(myds, "飞狐工作室");
GridView1.DataSource = myds;
GridView1.DataKeyNames = new string[] { "身份证号码" };
GridView1.DataBind();
sqlcon.Close();
}
protected void Button1_Click(object sender, EventArgs e)
{
Export("application/ms-excel", "学生成绩报表.xls");
}
private void Export(string FileType, string FileName)
{
Response.Charset = "GB2312";
Response.ContentEncoding = System.Text.Encoding.UTF7;
Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(FileName, Encoding.UTF8).ToString());
Response.ContentType = FileType;
this.EnableViewState = false;
StringWriter tw = new StringWriter();
HtmlTextWriter hw = new HtmlTextWriter(tw);
GridView1.RenderControl(hw);
Response.Write(tw.ToString());
Response.End();
}
public override void VerifyRenderingInServerForm(Control control)
{
}
}
前台:
<asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" CellPadding="3"
BackColor="White" BorderColor="#CCCCCC" BorderStyle="None" BorderWidth="1px" Font-Size="12px" >
<FooterStyle BackColor="White" ForeColor="#000066" />
<Columns>
<asp:BoundField DataField="身份证号码" HeaderText="编号" ReadOnly="True" />
<asp:BoundField DataField="姓名" HeaderText="姓名" />
<asp:BoundField DataField="出生日期" HeaderText="邮政编码" />
<asp:BoundField DataField="家庭住址" HeaderText="家庭住址" />
<asp:BoundField DataField="邮政编码" HeaderText="邮政编码" />
<asp:BoundField DataField="起薪" HeaderText="起薪" />
</Columns>
<RowStyle ForeColor="#000066" />
<SelectedRowStyle BackColor="#669999" Font-Bold="True" ForeColor="White" />
<PagerStyle BackColor="White" ForeColor="#000066" HorizontalAlign="Left" CssClass="ms-formlabel DataGridFixedHeader"/>
<HeaderStyle BackColor="#006699" Font-Bold="True" ForeColor="White" />
</asp:GridView>
<asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="导出" />
读取Excel数据的代码:这个很简单的
private DataSet CreateDataSource()
{
string strCon;
strCon = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + Server.MapPath("excel.xls") + "; Extended Properties=Excel 8.0;";
OleDbConnection olecon = new OleDbConnection(strCon);
OleDbDataAdapter myda = new OleDbDataAdapter("SELECT * FROM [Sheet1$]", strCon);
DataSet myds = new DataSet();
myda.Fill(myds);
return myds;
}
protected void Button1_Click(object sender, EventArgs e)
{
GridView1.DataSource = CreateDataSource();
GridView1.DataBind();
}
GridView七十二绝技-大全(收藏版)(转至别人博客)的更多相关文章
- [ Coding七十二绝技 ] 如何利用Java异常快速分析源码
前言 异常一个神奇的东西,让广大程序员对它人又爱又恨.爱它,通过它能快速定位错误,经过层层磨难能学到很多逼坑大法.恨他,快下班的时刻,周末的早晨,它踏着七彩云毫无征兆的来了. 今天,要聊的是它的一项神 ...
- “全栈2019”Java第七十二章:静态内部类访问外部类成员
难度 初级 学习时间 10分钟 适合人群 零基础 开发语言 Java 开发环境 JDK v11 IntelliJ IDEA v2018.3 文章原文链接 "全栈2019"Java第 ...
- TNFE-Weekly[第七十二周已更新]
前端行业发展飞速,新技术如雨后春笋般快速出现,尤其是各种小程序陆续推出,相关的信息.文章也铺天盖地的遍布在各处,我们有时候会困惑,不知道哪些信息对于自己是有价值的,那么TNFE-腾讯新闻前端团队启动了 ...
- 《全栈营销之如何制作个人博客》之二:php环境安装及个人博客后台搭建 让你的博客跑起来
上一节我们讲了个人博客用什么开发语言,用什么CMS系统,从这一节我们就开始真正的干货,这一节我们讨论一下PHP环境的安装,及个人博客后台的搭建,让你的博客在正常的PHP环境中运行起来,你就可以进行后台 ...
- OpenCV开发笔记(七十二):红胖子8分钟带你使用opencv+dnn+tensorFlow识别物体
前言 级联分类器的效果并不是很好,准确度相对深度学习较低,本章使用opencv通过tensorflow深度学习,检测已有模型的分类. Demo 可以猜测,1其实是人,18序号类是狗 ...
- salesforce零基础学习(七十二)项目中的零碎知识点小总结(一)
项目终于告一段落,虽然比较苦逼,不过也学到了好多知识,总结一下,以后当作参考. 一.visualforce标签中使用html相关的属性使用 曾经看文档没有看得仔细,导致开发的时候走了一些弯路.还好得到 ...
- 七十二、SAP中内表的修改,添加条件语句,多条目修改
一.代码如下 二.MODIFY执行前断点数据 三.查看到数据如下 四.往下单步走一步,发现有3条数据被修改 五.执行后修改如下
- FastAPI(七十二)实战开发《在线课程学习系统》接口开发-- 留言列表开发
之前我们分享了FastAPI(七十一)实战开发<在线课程学习系统>接口开发-- 查看留言,这次我们分享留言列表开发. 列表获取,也需要登录,根据登录用户来获取对应的留言.逻辑梳理如下. 1 ...
- 第二百七十二、三天 how can I 坚持
昨天加班回来都很晚了,也忘了些日志了.其实感觉加班也没什么啊,一个团队在一块说说闹闹,愉快的完成工作挺好. 今天是2015年的最后一天,2015的愿望啊,只怪自己太怂了.不怂会是什么结果. 其实更应该 ...
随机推荐
- wget-文件下载工具
阅读目录:详解wget命令-文件下载工具 安装wget 命令格式 命令功能 参数指南 启动参数 记录和输入文件参数 下载参数 目录参数 http选项参数 ftp选项参数 递归下载参数 递归下载中的包含 ...
- javascript 面向对象基础 (1)
常见的创建对象的方式有3种: ① 声明变量的方式 var obj1 = { key1: "val1", key1: "val2", show: function ...
- React配合Webpack实现代码分割与异步加载
这是Webpack+React系列配置过程记录的第四篇.其他内容请参考: 第一篇:使用webpack.babel.react.antdesign配置单页面应用开发环境 第二篇:使用react-rout ...
- 开涛spring3(12.1) - 零配置 之 12.1 概述
12.1 概述 12.1.1 什么是零配置 在SSH集成一章中大家注意到项目结构和包结构是不是很有规律,类库放到WEB-INF/lib文件夹下,jsp文件放到WEB-INF/jsp文件夹下,web ...
- 【2017-05-25】WebForm母版页
母版页:可以把界面的部分代码进行重用 添加新项-母版页 在母版页中界面代码不要写在 <asp:ContentPlaceHolder ID="head" runat=" ...
- ELK安装与配置
ELK介绍 日志主要包括系统日志.应用程序日志和安全日志.系统运维和开发人员可以通过日志了解服务器软硬件信息.检查配置过程中的错误及错误发生的原因.经常分析日志可以了解服务器的负荷,性能安全性,从而及 ...
- Submin1安装记录(CentOS5)
安装SVN和Apache wget http://opensource.wandisco.com/RPM-GPG-KEY-WANdisco -O /tmp/RPM-GPG-KEY-WANdisco & ...
- Extending sparklyr to Compute Cost for K-means on YARN Cluster with Spark ML Library
Machine and statistical learning wizards are becoming more eager to perform analysis with Spark MLli ...
- springboot 集成spring-session redis 实现分布式session
gradle 添加依赖 compile("org.springframework.session:spring-session:1.3.0.RELEASE") compile(&q ...
- Linux上open-iscsi 的安装,配置和使用
关于open-iscsi open-iscsi是一个实现 RFC3720 iSCSI协议的高性能initiator程序.iSCSI使得访问SAN上的存储不再只能依赖Fibre Channel,也可以通 ...