DevExpress ASP.NET 使用经验谈(9)-Dev控件客户端事件 ClientSideEvents
上一节,已经介绍了ASPxGridView的自定义列和基本事件 ,本节接着将介绍Dev控件的客户端事件模型。
在上节示例基础上,我们增加一行菜单,使用Dev的ASPxMenu来实现,如下图所示。
图一 添加菜单的界面
增加菜单的代码如下:
- <dx:ASPxMenu ID="ASPxMenu1" runat="server" RenderMode="Lightweight" Width="100%" ItemAutoWidth="False" Theme="Aqua">
- <Border BorderWidth="0px" />
- <BorderTop BorderWidth="1px" />
- <Items>
- <dx:MenuItem Text="新增" Image-Url="~/Assets/images/menu/Add_16x16.png" Name="new"></dx:MenuItem>
- <dx:MenuItem Text="编辑" Image-Url="~/Assets/images/menu/Edit_16x16.png" Name="edit"></dx:MenuItem>
- <dx:MenuItem Text="删除" Image-Url="~/Assets/images/menu/Delete_16x16.png" Name="delete"></dx:MenuItem>
- <dx:MenuItem Text="刷新" Image-Url="~/Assets/images/menu/Refresh_16x16.png" Name="refresh"></dx:MenuItem>
- </Items>
- </dx:ASPxMenu>
DevExpress ASP.NET的控件,如ASPxButton,ASPxLabel,ASPxMenu、ASPxPopupMenu、ASPxGridView、
ASPxTreeList、ASPxPopupControl等,它们都有一个统一的ClientSideEvents事件模型,提供控件的客户端事件支持。
此例中的ASPxMenu,如何来增加ClientSideEvents客户端事件操作呢,代码如下:
- <dx:ASPxMenu ID="ASPxMenu1" runat="server" RenderMode="Lightweight" Width="100%" ItemAutoWidth="False" Theme="Aqua">
- <Border BorderWidth="0px" />
- <BorderTop BorderWidth="1px" />
- <Items>
- <dx:MenuItem Text="新增" Image-Url="~/Assets/images/menu/Add_16x16.png" Name="new"></dx:MenuItem>
- <dx:MenuItem Text="编辑" Image-Url="~/Assets/images/menu/Edit_16x16.png" Name="edit"></dx:MenuItem>
- <dx:MenuItem Text="删除" Image-Url="~/Assets/images/menu/Delete_16x16.png" Name="delete"></dx:MenuItem>
- <dx:MenuItem Text="刷新" Image-Url="~/Assets/images/menu/Refresh_16x16.png" Name="refresh"></dx:MenuItem>
- </Items>
- <ClientSideEvents ItemClick="function(s, e) {MenuItemClick(s,e);}" />
- </dx:ASPxMenu>
同时定义了Javascript方法MenuItemClick,来响应菜单项的Click事件操作:
- function MenuItemClick(s, e) {
- //通过e.item.name来区别由Menu的哪一项来触发
- switch (e.item.name) {
- case "new":
- //新增操作
- break;
- case "edit":
- //编辑操作
- break;
- case "delete":
- //删除操作
- break;
- case "refresh":
- //刷新操作
- break;
- }
- }
客户端菜单项Click事件的骨架有了,如果来实现对ASPxGridView控件的上述操作呢?
此时,我们需要了解Dev控件的另外一个重要属性:ClientInstanceName,这个属性,为Dev的服务端控件提供了一个客户端的name,
定义客户端name后,ASPxGridView服务端控件,可以在客户端以客户端对象身份来进行操作和访问。
修改代码,为ASPxGridView1增加一个客户端名称:"grid"
- <dx:ASPxGridView ID="ASPxGridView1" runat="server" AutoGenerateColumns="False" Width="100%"
- OnRowInserting="ASPxGridView1_RowInserting" ClientInstanceName="grid"
- OnRowUpdating="ASPxGridView1_RowUpdating"
- DataSourceID="XpoDataSource1" KeyFieldName="UserID" Theme="Aqua">
- ......
- </dx:ASPxGridView>
修改MenuItemClick方法,增加【新增】、【编辑】操作代码:
- function MenuItemClick(s, e) {
- //通过e.item.name来区别由Menu的哪一项来触发
- switch (e.item.name) {
- case "new":
- //新增操作
- grid.AddNewRow();
- break;
- case "edit":
- var index = grid.GetFocusedRowIndex();
- if (index != -1) {
- grid.StartEditRow(index);
- } else {
- alert('请选择要编辑的记录!');
- }
- //编辑操作
- break;
- case "delete":
- //删除操作
- break;
- case "refresh":
- //刷新操作
- break;
- }
- }
点击菜单项的【新增】,显示新增界面如下:
图二 新增界面
点击【编辑】,显示界面如下:
图三 编辑界面
注意:【新增】、【编辑】操作,分别使用了ASPxGridView客户端对象的方法:
新增行: grid.AddNewRow();
获取行索引:grid.GetFocusedRowIndex();
编辑行: grid.StartEditRow(index);
接下来,如何实现【删除】和【刷新】操作呢?这将使用Dev控件强大的Callback事件回调机制,通过客户端的PerformCallback
与服务端的CustomCallback事件回调结合,服务端的回调方法对客户端事件作出响应。
首先,我们增加服务端的Callback事件代码,选择OnCustomCallback,点击新增事件,后台代码自动完成对事件的添加:
添加事件如下:
生成的回调方法:
- protected void ASPxGridView1_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e)
- {
- }
接着,继续修改MenuItemClick方法,增加对Delete事件代码:
- function MenuItemClick(s, e) {
- //通过e.item.name来区别由Menu的哪一项来触发
- switch (e.item.name) {
- case "new":
- //新增操作
- grid.AddNewRow();
- break;
- case "edit":
- var index = grid.GetFocusedRowIndex();
- if (index != -1) {
- grid.StartEditRow(index);
- } else {
- alert('请选择要编辑的记录!');
- }
- //编辑操作
- break;
- case "delete":
- var key = grid.GetRowKey(grid.GetFocusedRowIndex());
- if (key != null && key != "") {
- if (window.confirm('你确定要删除这条记录吗?')) {
- grid.PerformCallback("delete@" + key);
- }
- }
- //删除操作
- break;
- case "refresh":
- //刷新操作
- break;
- }
- }
继续修改服务端回调方法:
- protected void ASPxGridView1_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e)
- {
- string[] strParames = e.Parameters.ToString().Split(new char[] { '@' });
- switch (strParames[0])
- {
- case "delete":
- CriteriaOperator criteria = CriteriaOperator.Parse("[UserID]='" + strParames[1] + "'");
- Users obj = session.FindObject<Users>(criteria);
- obj.Delete();
- ASPxGridView1.DataBind();
- break;
- }
- }
完成上述修改后,点击【删除】按钮,弹出删除确认对话框,点击”确定“,记录将被删除,ASPxGridView数据被刷新。
图四 点击删除,弹出确认对话框,并重新绑定数据
同理,我们实现【刷新】操作如下:
- case "refresh":
- grid.PerformCallback("refresh@");
- //刷新操作
- break;
继续修改回调方法:
- protected void ASPxGridView1_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e)
- {
- string[] strParames = e.Parameters.ToString().Split(new char[] { '@' });
- switch (strParames[0])
- {
- case "delete":
- CriteriaOperator criteria = CriteriaOperator.Parse("[UserID]='" + strParames[1] + "'");
- Users obj = session.FindObject<Users>(criteria);
- obj.Delete();
- ASPxGridView1.DataBind();
- break;
- case "refresh":
- ASPxGridView1.DataBind();
- break;
- }
- }
此时点击【刷新】按钮,数据将被刷新,如果效果不明显,可以手工修改数据库中的数据,以验证刷新的效果。
注意:【删除】操作,使用了ASPxGridView客户端对象的方法:
获取行主键:grid.GetRowKey(grid.GetFocusedRowIndex());
为了使【删除】、【刷新】操作在客户端能得到反馈,还可以在ASPxGridView的ClientSideEvents事件中增加:EndCallback,
修改服务端【删除】、【刷新】回调方法,增加如下代码:
ASPxGridView1.JSProperties.Remove("cpMsg");
ASPxGridView1.JSProperties.Add("cpMsg", "删除成功");
注意:按Dev控件约定,此处添加JSProperties的key,只能以 cp 为前缀。
- protected void ASPxGridView1_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e)
- {
- string[] strParames = e.Parameters.ToString().Split(new char[] { '@' });
- switch (strParames[0])
- {
- case "delete":
- CriteriaOperator criteria = CriteriaOperator.Parse("[UserID]='" + strParames[1] + "'");
- Users obj = session.FindObject<Users>(criteria);
- obj.Delete();
- ASPxGridView1.DataBind();
- ASPxGridView1.JSProperties.Remove("cpMsg");
- ASPxGridView1.JSProperties.Add("cpMsg", "删除成功");
- break;
- case "refresh":
- ASPxGridView1.DataBind();
- ASPxGridView1.JSProperties.Remove("cpMsg");
- ASPxGridView1.JSProperties.Add("cpMsg", "刷新成功");
- break;
- }
- }
客户端响应EndCallback方法:
- function EndCallback(s, e) {
- if (s.cpMsg) {
- alert(s.cpMsg);
- s.cpMsg = null;
- }
- }
此时,再进行【删除】、【刷新】按钮完成操作时,会弹出提醒框。
图五 EndCallback 刷新返回消息
图六 EndCallback 删除返回消息
在此基础上,通过对EndCallback返回的信息进行处理,可以扩展更友好的提醒。
除了CustomCallback,还有CustomDataCallback、CustomButtonCallback,使用方法类似,细节稍有不同。
CustomDataCallback:可用于前后台的数据传输和回调。
CustomButtonCallback:可以针对特定服务端Button进行回调。
注意:对于ASPxTreeList控件,我们将使用到的客户端方法。
新增树结点: tree.StartEditNewNode();
获取树节点的主键:var key = tree.GetFocusedNodeKey();
在下一节中,将介绍ASPxTreeList的使用,到时再对CustomDataCallback,CustomButtonCallback的使用进行
详细描述。
最后附上完整代码。
前台代码:
- <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
- <%@ Register Assembly="DevExpress.Web.v12.2, Version=12.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a" Namespace="DevExpress.Web.ASPxMenu" TagPrefix="dx" %>
- <%@ Register Assembly="DevExpress.Xpo.v12.2.Web, Version=12.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a" Namespace="DevExpress.Xpo" TagPrefix="dx" %>
- <%@ Register Assembly="DevExpress.Web.v12.2, Version=12.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a" Namespace="DevExpress.Web.ASPxGridView" TagPrefix="dx" %>
- <%@ Register Assembly="DevExpress.Web.v12.2, Version=12.2.4.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a" Namespace="DevExpress.Web.ASPxEditors" TagPrefix="dx" %>
- <!DOCTYPE html>
- <html xmlns="http://www.w3.org/1999/xhtml">
- <head runat="server">
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
- <title></title>
- <script type="text/javascript">
- function MenuItemClick(s, e) {
- //通过e.item.name来区别由Menu的哪一项来触发
- switch (e.item.name) {
- case "new":
- //新增操作
- grid.AddNewRow();
- break;
- case "edit":
- var index = grid.GetFocusedRowIndex();
- if (index != -1) {
- grid.StartEditRow(index);
- } else {
- alert('请选择要编辑的记录!');
- }
- //编辑操作
- break;
- case "delete":
- var key = grid.GetRowKey(grid.GetFocusedRowIndex());
- if (key != null && key != "") {
- if (window.confirm('你确定要删除这条记录吗?')) {
- grid.PerformCallback("delete@" + key);
- }
- }
- //删除操作
- break;
- case "refresh":
- grid.PerformCallback("refresh@");
- //刷新操作
- break;
- }
- }
- function EndCallback(s, e) {
- if (s.cpMsg) {
- alert(s.cpMsg);
- s.cpMsg = null;
- }
- }
- </script>
- </head>
- <body>
- <form id="form1" runat="server">
- <div>
- <p>
- <h1>Dev控件的客户端事件模型</h1>
- </p>
- <dx:ASPxMenu ID="ASPxMenu1" runat="server" RenderMode="Lightweight" Width="100%" ItemAutoWidth="False" Theme="Aqua">
- <Border BorderWidth="0px" />
- <BorderTop BorderWidth="1px" />
- <Items>
- <dx:MenuItem Text="新增" Image-Url="~/Assets/images/menu/Add_16x16.png" Name="new"></dx:MenuItem>
- <dx:MenuItem Text="编辑" Image-Url="~/Assets/images/menu/Edit_16x16.png" Name="edit"></dx:MenuItem>
- <dx:MenuItem Text="删除" Image-Url="~/Assets/images/menu/Delete_16x16.png" Name="delete"></dx:MenuItem>
- <dx:MenuItem Text="刷新" Image-Url="~/Assets/images/menu/Refresh_16x16.png" Name="refresh"></dx:MenuItem>
- </Items>
- <ClientSideEvents ItemClick="function(s, e) {MenuItemClick(s,e);}" />
- </dx:ASPxMenu>
- <dx:ASPxGridView ID="ASPxGridView1" runat="server" AutoGenerateColumns="False" Width="100%"
- OnRowInserting="ASPxGridView1_RowInserting" ClientInstanceName="grid"
- OnRowUpdating="ASPxGridView1_RowUpdating" OnCustomCallback="ASPxGridView1_CustomCallback"
- DataSourceID="XpoDataSource1" KeyFieldName="UserID" Theme="Aqua">
- <ClientSideEvents EndCallback="EndCallback" />
- <Columns>
- <dx:GridViewCommandColumn VisibleIndex="0" ButtonType="Image" Width="80px">
- <EditButton Visible="true">
- <Image ToolTip="编辑" Url="Assets/images/edit.png"></Image>
- </EditButton>
- <NewButton Visible="true">
- <Image ToolTip="新增" Url="Assets/images/new.png"></Image>
- </NewButton>
- <DeleteButton Visible="true">
- <Image ToolTip="删除" Url="Assets/images/delete.png"></Image>
- </DeleteButton>
- <UpdateButton Visible="true">
- <Image ToolTip="保存" Url="Assets/images/save.gif"></Image>
- </UpdateButton>
- <CancelButton Visible="true">
- <Image ToolTip="取消" Url="Assets/images/cancel.gif"></Image>
- </CancelButton>
- </dx:GridViewCommandColumn>
- <dx:GridViewDataTextColumn FieldName="UserID" ReadOnly="True" VisibleIndex="1" Visible="false">
- </dx:GridViewDataTextColumn>
- <dx:GridViewDataTextColumn FieldName="UserName" VisibleIndex="2" Caption="用户姓名">
- <EditFormSettings VisibleIndex="2" Visible="True" Caption="用户姓名" />
- </dx:GridViewDataTextColumn>
- <dx:GridViewDataTextColumn FieldName="FirstName" VisibleIndex="3" Caption="名" Width="80px">
- <EditFormSettings VisibleIndex="3" Visible="True" Caption="名" />
- <CellStyle HorizontalAlign="Center" />
- <HeaderStyle HorizontalAlign="Center" />
- </dx:GridViewDataTextColumn>
- <dx:GridViewDataTextColumn FieldName="LastName" VisibleIndex="4" Caption="姓" Width="80px">
- <EditFormSettings VisibleIndex="4" Visible="True" Caption="姓" />
- <CellStyle HorizontalAlign="Center" />
- <HeaderStyle HorizontalAlign="Center" />
- </dx:GridViewDataTextColumn>
- <dx:GridViewDataTextColumn FieldName="MiddleName" VisibleIndex="5" Caption="教名" Width="100px">
- <EditFormSettings VisibleIndex="5" Visible="False" Caption="教名" />
- <CellStyle HorizontalAlign="Center" />
- <HeaderStyle HorizontalAlign="Center" />
- </dx:GridViewDataTextColumn>
- <dx:GridViewDataComboBoxColumn FieldName="Gender" VisibleIndex="6" Caption="性别" Width="80px">
- <EditFormSettings VisibleIndex="4" Visible="True" Caption="性别" />
- <CellStyle HorizontalAlign="Center" />
- <HeaderStyle HorizontalAlign="Center" />
- <PropertiesComboBox>
- <Items>
- <dx:ListEditItem Text="男" Value="男" />
- <dx:ListEditItem Text="女" Value="女" />
- </Items>
- </PropertiesComboBox>
- </dx:GridViewDataComboBoxColumn>
- <dx:GridViewDataTextColumn FieldName="Hobbies" VisibleIndex="7" Caption="兴趣爱好" Width="100px">
- <EditFormSettings VisibleIndex="5" Visible="True" Caption="兴趣爱好" />
- <CellStyle HorizontalAlign="Center" />
- <HeaderStyle HorizontalAlign="Center" />
- <EditItemTemplate>
- <table border="0">
- <tr>
- <td>
- <dx:ASPxCheckBox ID="ASPxCheckBox_H1" runat="server" ClientInstanceName="cb_hob1" Text="阅读" Layout="Flow" OnInit="ASPxCheckBox_Hobbies_Init">
- </dx:ASPxCheckBox>
- </td>
- <td> </td>
- <td>
- <dx:ASPxCheckBox ID="ASPxCheckBox_H2" ClientInstanceName="cb_hob2" runat="server" Text="思考" Layout="Flow" OnInit="ASPxCheckBox_Hobbies_Init">
- </dx:ASPxCheckBox>
- </td>
- <td> </td>
- <td>
- <dx:ASPxCheckBox ID="ASPxCheckBox_H3" runat="server" ClientInstanceName="cb_hob3" Text="运动" Layout="Flow" OnInit="ASPxCheckBox_Hobbies_Init">
- </dx:ASPxCheckBox>
- </td>
- <td> </td>
- <td>
- <dx:ASPxCheckBox ID="ASPxCheckBox_H4" runat="server" ClientInstanceName="cb_hob4" Text="社交" Layout="Flow" OnInit="ASPxCheckBox_Hobbies_Init">
- </dx:ASPxCheckBox>
- </td>
- </tr>
- </table>
- </EditItemTemplate>
- </dx:GridViewDataTextColumn>
- <dx:GridViewDataTextColumn FieldName="EmailID" VisibleIndex="6" Caption="邮箱" Width="200px">
- <EditFormSettings VisibleIndex="6" Visible="True" Caption="邮箱" ColumnSpan="2" />
- </dx:GridViewDataTextColumn>
- <dx:GridViewDataDateColumn FieldName="CreateTime" VisibleIndex="7" Caption="创建时间" Width="100px">
- <EditFormSettings VisibleIndex="5" Visible="False" Caption="创建时间" />
- <CellStyle HorizontalAlign="Center" />
- <HeaderStyle HorizontalAlign="Center" />
- </dx:GridViewDataDateColumn>
- <dx:GridViewDataDateColumn FieldName="ModifyTime" VisibleIndex="7" Caption="修改时间" Width="100px">
- <EditFormSettings VisibleIndex="5" Visible="False" Caption="修改时间" />
- <CellStyle HorizontalAlign="Center" />
- <HeaderStyle HorizontalAlign="Center" />
- </dx:GridViewDataDateColumn>
- </Columns>
- <SettingsBehavior ConfirmDelete="true" AllowFocusedRow="true" AllowSelectSingleRowOnly="true" AllowSelectByRowClick="true" />
- <SettingsEditing EditFormColumnCount="2" />
- <Settings ShowFooter="True" />
- <SettingsText EmptyDataRow="无记录" ConfirmDelete="确定删除吗?" />
- <SettingsPager Mode="ShowPager" PageSize="3" />
- </dx:ASPxGridView>
- </div>
- <dx:XpoDataSource ID="XpoDataSource1" runat="server" TypeName="XPOModel.DemoDB.Users"></dx:XpoDataSource>
- </form>
- </body>
- </html>
后台代码:
- using System;
- using System.Collections.Generic;
- using System.Linq;
- using System.Web;
- using System.Web.UI;
- using System.Web.UI.WebControls;
- using System.Configuration;
- using DevExpress.Xpo;
- using DevExpress.Xpo.DB;
- using DevExpress.Web.ASPxGridView;
- using DevExpress.Web.ASPxEditors;
- using System.Collections;
- using DevExpress.Data.Filtering;
- using XPOModel.DemoDB;
- public partial class _Default : System.Web.UI.Page
- {
- DevExpress.Xpo.Session session;
- protected void Page_Init(object sender, EventArgs e)
- {
- string provider = ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString;//获取数据库连接
- IDataLayer datalayer = new SimpleDataLayer(XpoDefault.GetConnectionProvider(provider, AutoCreateOption.DatabaseAndSchema));//建立数据层XPO独有的
- session = new DevExpress.Xpo.Session(datalayer); //将数据层和会话绑定
- XpoDataSource1.Session = session;
- }
- protected void Page_Load(object sender, EventArgs e)
- {
- }
- protected void ASPxCheckBox_Hobbies_Init(object sender, EventArgs e)
- {
- ASPxCheckBox cblHb = sender as ASPxCheckBox;
- GridViewEditItemTemplateContainer container = cblHb.NamingContainer as GridViewEditItemTemplateContainer;
- string strHobbies = string.Empty;
- if (DataBinder.Eval(container.DataItem, "Hobbies") != null)
- strHobbies = DataBinder.Eval(container.DataItem, "Hobbies").ToString().Trim();
- if (strHobbies.Contains(cblHb.Text))
- {
- cblHb.Checked = true;
- }
- }
- protected void ASPxGridView1_RowInserting(object sender, DevExpress.Web.Data.ASPxDataInsertingEventArgs e)
- {
- //在RowInserting时,将当前时间赋值给“创建时间列”CreateTime赋值
- e.NewValues["CreateTime"] = DateTime.Now;
- GridViewDataColumn columnHobbies = ASPxGridView1.Columns["Hobbies"] as GridViewDataColumn; //取出GridView的Column
- //通过ASPxGridView1.FindEditRowCellTemplateControl找出自定义的CheckBox
- ASPxCheckBox cbH1 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H1") as ASPxCheckBox);
- ASPxCheckBox cbH2 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H2") as ASPxCheckBox);
- ASPxCheckBox cbH3 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H3") as ASPxCheckBox);
- ASPxCheckBox cbH4 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H4") as ASPxCheckBox);
- ArrayList listHobbies = new ArrayList();
- if (cbH1.Checked == true)
- {
- listHobbies.Add(cbH1.Text);
- }
- if (cbH2.Checked == true)
- {
- listHobbies.Add(cbH2.Text);
- }
- if (cbH3.Checked == true)
- {
- listHobbies.Add(cbH3.Text);
- }
- if (cbH4.Checked == true)
- {
- listHobbies.Add(cbH4.Text);
- }
- //通过 e.NewValues["Hobbies"]赋值
- e.NewValues["Hobbies"] = string.Join(",", listHobbies.ToArray());
- }
- protected void ASPxGridView1_RowUpdating(object sender, DevExpress.Web.Data.ASPxDataUpdatingEventArgs e)
- {
- //在RowUpdating时,将当前时间赋值给“创建时间列”ModifyTime赋值
- e.NewValues["ModifyTime"] = DateTime.Now;
- GridViewDataColumn columnHobbies = ASPxGridView1.Columns["Hobbies"] as GridViewDataColumn;//取出GridView的Column
- //通过ASPxGridView1.FindEditRowCellTemplateControl找出自定义的CheckBox
- ASPxCheckBox cbH1 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H1") as ASPxCheckBox);
- ASPxCheckBox cbH2 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H2") as ASPxCheckBox);
- ASPxCheckBox cbH3 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H3") as ASPxCheckBox);
- ASPxCheckBox cbH4 = (ASPxGridView1.FindEditRowCellTemplateControl(columnHobbies, "ASPxCheckBox_H4") as ASPxCheckBox);
- ArrayList listHobbies = new ArrayList();
- if (cbH1.Checked == true)
- {
- listHobbies.Add(cbH1.Text);
- }
- if (cbH2.Checked == true)
- {
- listHobbies.Add(cbH2.Text);
- }
- if (cbH3.Checked == true)
- {
- listHobbies.Add(cbH3.Text);
- }
- if (cbH4.Checked == true)
- {
- listHobbies.Add(cbH4.Text);
- }
- //通过 e.NewValues["Hobbies"]赋值
- e.NewValues["Hobbies"] = string.Join(",", listHobbies.ToArray());
- }
- protected void ASPxGridView1_CustomCallback(object sender, ASPxGridViewCustomCallbackEventArgs e)
- {
- string[] strParames = e.Parameters.ToString().Split(new char[] { '@' });
- switch (strParames[0])
- {
- case "delete":
- CriteriaOperator criteria = CriteriaOperator.Parse("[UserID]='" + strParames[1] + "'");
- Users obj = session.FindObject<Users>(criteria);
- obj.Delete();
- ASPxGridView1.DataBind();
- ASPxGridView1.JSProperties.Remove("cpMsg");
- ASPxGridView1.JSProperties.Add("cpMsg", "删除成功");
- break;
- case "refresh":
- ASPxGridView1.DataBind();
- ASPxGridView1.JSProperties.Remove("cpMsg");
- ASPxGridView1.JSProperties.Add("cpMsg", "刷新成功");
- break;
- }
- }
- }
完整源码下载:http://pan.baidu.com/s/1kTj3QDL
博文作者:挪威森林(Coding of life)
博文出处:http://www.cnblogs.com/allenlf/
主要研究:Web开发框架、ORM、WCF、医疗行业软件开发(HRP、EMR、CP、OA)
DevExpress ASP.NET 使用经验谈(9)-Dev控件客户端事件 ClientSideEvents的更多相关文章
- DevExpress ASP.NET Dev控件客户端事件 ClientSideEvents
原文地址:http://www.cnblogs.com/allenlf/p/4171189.html
- UpdatePanel 控件,客户端事件生命周期踩坑
<script type="text/javascript" language="javascript"> Sys.WebForms.PageReq ...
- DevExpress Cpicturebox或者Dev控件 PictureEdit 按比例的缩放加载图片
方法一: 如果要加载的图片的长宽比不是太过失衡, 1.可以改变picturebox的SizeMode属性为 PictureBoxSizeMode.StretchImage, 2.或者Dev控件 ...
- Dev控件GridView单元格绑定控件
Dev控件GridView单元格绑定控件 //文本按钮 RepositoryItemButtonEdit btnFields = new RepositoryItemButtonEdit();//创建 ...
- DEV控件Grid显示行号
DEV控件Grid的显示行号需要通过一个事件来设置,具体设置代码为: private void gridView1_CustomDrawRowIndicator(object sender, DevE ...
- Dev控件treeList
之前做过一段时间,当时copy 的别人的代码,这就就把节点给添加了,上次帮同事做也发现了这个问题,当时没有记下来,今天有做,磨了半天,记下来吧. Dev控件treeList 要添加节点第一步是右键添加 ...
- DEV 控件使用之:TreeList
使用DEV控件也有一段时间了,一直想写点东西.最近又使用到TreeList控件,这个控件对于刚使用的人来说确实不好掌握.我想把自己知道的写下来,让还不熟悉的慢慢学会使用,对于会使用的大家交流下.如果有 ...
- dev控件 xtraTabbedMdiManager 如何将关闭子窗体改为收回主窗体内
前言 本文主要讲解 xtraTabbedMdiManager 如何将关闭子窗体改为收回主窗体内,顺便附上Float(浮动)的时候使窗体最大化,及指定只能某一个子窗体能浮动放大. 下面进入正题. 一.首 ...
- dev 控件的treelist
最近项目中要求用dev 控件的treelist 树形控件. 如下图 要求如下: 1:选择父节点后,子节点全部打钩: 2:选择子节点而不选择父节点,则从当前节点的父节点一直到根节点check框都是半选状 ...
随机推荐
- JS笔记 入门第四
小测试: 注意:取消所有的设定可以直接使用 document.getElementById("txt").removeAttribute("style"); 这 ...
- OSG选中效果展示
<OpenSceneGraph三维渲染引擎编程指南>书中选中高亮效果示例.osgFX特效 2.得到鼠标的位置 osgFX特效1.高亮,在开头的时候写了: 2.线框: #include< ...
- android小知识之注释模板(转载)
设置注释模板的入口: Window->Preference->Java->Code Style->Code Template 然后展开Comments节点就是所有需设置注释的元 ...
- 窗函数的C语言实现
一般的讲数字信号处理的书中都会提到窗函数.大多数只会提及其中的几种.这里我把这些窗都用C语言实现了一下,都不复杂,但如果要自己去弄也挺费时间.所有函数都用Matlab验证了.包括以下窗: /*窗类型* ...
- java中的集合链表
java中的集合类有很多种,每个都有自己的一些特点,推荐你专门在这方面研究一下,比方Vector,ArrayList,,LinkedList,Hashtable等,其中你问到的链表,是不是指Linke ...
- 利用KVC实现无需协议的委托模式
在<精通iOS开发>一书中看到的技巧.假设BIDTaskListController是一个列表,点击列表上的一项将会导航到BIDTaskDetailController,在BIDTaskD ...
- IOS学习之蓝牙4.0
1建立中心角色 1 2 3 #import <CoreBluetooth/CoreBluetooth.h> CBCentralManager *manager; manager = [ ...
- 【中英对照】【EntLib6】【Unity】实验1:使用一个Unity容器
Lab 1: Using a Unity Container 实验1:使用一个Unity容器 Estimated time to complete this lab: 15 minutes 估计完成时 ...
- JQuery DataTable插件
参考文件: http://blog.csdn.net/xuechongyang/article/details/8424897 http://blog.csdn.net/llhwin2010/arti ...
- Objective-c 中的变量
OC中的语言变量,按作用域可分为两种:局部变量和全局变量. 局部变量:也称为内部变量,局部变量是在方法内部声明的.其作用域仅限于方法内,离开该方法再使用这个变量就是非法的. 全局变量:也称为外部变量, ...