1. 父窗体

****************************************

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

using System.Text;
//using System.Text.StringBuilder;

public partial class Tree1 : System.Web.UI.Page
{

protected System.Data.SqlClient.SqlConnection SqlConnection1;
    protected System.Data.SqlClient.SqlDataAdapter SqlDataAdapter1;
    protected System.Data.DataSet DataSet1;
    protected System.Data.DataSet DataSet2;
    string Str_sql = "";
    static string Str_selected = "";  // 选中的值
   
   
    protected void Page_Load(object sender, EventArgs e)
    {
        AddTree(0, null);
    }

private void AddTree(int Pid, TreeNode PNode)
    {
        //string sqlStr = "SELECT Item_id,Item_name,Parent_ID FROM Para_item";
        //DataTable dt = YSqlHelper.ExecuteQuery(sqlStr, CommandType.Text);

if (!IsPostBack)
        {

P_ht.H_data P_data = new P_ht.H_data();
            P_data.sql_text1 = "SELECT Item_id,Item_name,Parent_ID FROM Para_item";
            Str_sql = P_data.sql_text1;
            P_data.select_tables();
            DataSet1 = P_data.DataSet8;
            DataTable dt = DataSet1.Tables[0];

if (dt.Rows.Count > 0)
            {
                DataView dv = new DataView(dt);
                //过滤ParentID,得到当前的所有子节点 ParentID为父节点ID
                dv.RowFilter = "[Parent_ID] = " + Pid;
                //循环递归
                foreach (DataRowView Row in dv)
                {
                    //声明节点
                    TreeNode Node = new TreeNode();
                    //绑定超级链接
                    // Node.NavigateUrl = String.Format("javascript:show('{0}')", Row["Item_Name"].ToString());
                    //开始递归
                    if (PNode == null)
                    {
                        //添加根节点
                        Node.Text = Row["Item_Name"].ToString();
                        this.TreeView1.Nodes.Add(Node);
                        Node.Expanded = true; //节点状态展开
                        AddTree(Int32.Parse(Row["Item_ID"].ToString()), Node);    //再次递归
                    }
                    else
                    {
                        //添加当前节点的子节点
                        Node.Text = Row["Item_Name"].ToString();
                        PNode.ChildNodes.Add(Node);
                        Node.Expanded = true; //节点状态展开
                        AddTree(Int32.Parse(Row["Item_ID"].ToString()), Node);     //再次递归
                    }
                }
            }
        }
    }

////
    // 选中节点
    protected void TreeView1_SelectedNodeChanged(object sender, EventArgs e)
    {
        //this.Label1.Text = TreeView1.SelectedNode.Value.ToString().Trim();
        //this.Label1.Text = TreeView1.SelectedNode.Text.ToString().Trim();
        //Response.Write(TreeView1.SelectedNode.Value.ToString().Trim());
        Str_selected = TreeView1.SelectedNode.Value.ToString().Trim();
        Response.Write(Str_selected);
    }

// add
    protected void Btn_node_add_Click(object sender, EventArgs e)
    {
       
        P_ht.H_data P_data = new P_ht.H_data();
        if (Str_selected.Trim() == "")
        {
            ClientScriptManager scriptManager = ((Page)System.Web.HttpContext.Current.Handler).ClientScript;
            scriptManager.RegisterStartupScript(typeof(string), "", "alert('提示: 选中的节点为空,您要重新点击节点才能选中节点! ');", true);
            return;
        }
        else
        {
            string str_Parent_ID = "0";
            Int32 i_Item_id = 0;

//select
            P_data.sql_text1 = " SELECT Item_id,Item_name,Parent_ID FROM Para_item where Item_name = '" + Str_selected.Trim().ToString() +"' ";
            Str_sql = P_data.sql_text1;
            P_data.select_tables();
            DataSet1 = P_data.DataSet8;
            if (DataSet1.Tables[0].Rows.Count > 0)
            {
                str_Parent_ID = DataSet1.Tables[0].Rows[0][0].ToString().Trim();

P_data.sql_text1 = " SELECT Item_id,Item_name,Parent_ID FROM Para_item order by Item_id desc ";
                Str_sql = P_data.sql_text1;
                P_data.select_tables();
                DataSet1 = P_data.DataSet8;

i_Item_id =  System.Convert.ToInt32(DataSet1.Tables[0].Rows[0][0].ToString().Trim())+1;
            }
            else
            {
                ClientScriptManager scriptManager = ((Page)System.Web.HttpContext.Current.Handler).ClientScript;
                scriptManager.RegisterStartupScript(typeof(string), "", "alert('提示: 没有找到节点编号, 不能增加节点! ');", true);
                return;
            }

//add
            P_data.p11_count = "4";  //总数量+1

P_data.p11_ID = i_Item_id.ToString().Trim(); //编号
            P_data.p11_01 = "月当楼";
            P_data.p11_02 = str_Parent_ID;

P_data.p21_ID = "t3_01";
            P_data.p21_01 = "t3_02";
            P_data.p21_02 = "t3_03";

P_data.sql_text1 = "INSERT INTO Para_item (Item_id,Item_name,Parent_ID) VALUES "
                                               + "(@t3_01, @t3_02, @t3_03)";

P_data.write_tables();
        }

////reshfer;

//TreeNode nodeNew = new TreeNode("月当楼");// 新建节点对象

//if (TreeView1.SelectedNode == null)
        //{
        //    return;
        //}
        //else
        //{
        //    TreeView1.SelectedNode.ChildNodes.Add(nodeNew);
        //}

Server.Transfer("Tree1.aspx");

}

protected void Btn_node_edit_Click(object sender, EventArgs e)
    {
        P_ht.H_data P_data = new P_ht.H_data();
        if (Str_selected.Trim() == "")
        {
            ClientScriptManager scriptManager = ((Page)System.Web.HttpContext.Current.Handler).ClientScript;
            scriptManager.RegisterStartupScript(typeof(string), "", "alert('提示: 选中的节点为空,您要重新点击节点才能选中节点! ');", true);
            return;
        }
        else
        {
           
            //select

string str_Parent_ID = "";

P_data.sql_text1 = " SELECT Item_id,Item_name,Parent_ID FROM Para_item where Item_name = '" + Str_selected.Trim().ToString() + "' ";
            Str_sql = P_data.sql_text1;
            P_data.select_tables();
            DataSet1 = P_data.DataSet8;
            if (DataSet1.Tables[0].Rows.Count > 0)
            {
                str_Parent_ID = DataSet1.Tables[0].Rows[0][0].ToString().Trim();
                Session["Tree1_Edit_name"] = str_Parent_ID;
            }
            else
            {
                ClientScriptManager scriptManager = ((Page)System.Web.HttpContext.Current.Handler).ClientScript;
                scriptManager.RegisterStartupScript(typeof(string), "", "alert('提示: 没有找到节点编号, 不能删除节点! ');", true);
                return;
            }

//原窗口保留,以对话框形式打开新窗口:
            //Response.Write("<script>window.showModelessDialog('Tree1_edit.aspx')</script>");
            //return;

//
            StringBuilder s = new StringBuilder();
            s.Append(" <script language=javascript> var a=window.showModalDialog('Tree1_edit.aspx'); ");
            s.Append(" if(a!=null) document.all('TextBox1').value=a;</script> ");
             Type cstype = this.GetType();

ClientScriptManager cs = Page.ClientScript;
            string sname = "lt";
            if (!cs.IsStartupScriptRegistered(cstype, sname))
            cs.RegisterStartupScript(cstype, sname, s.ToString());
            return;
           
            //
            P_data.sql_text1 = "update Para_item set Item_name = '户部巷' "
                                                  + " where Item_id =  " + str_Parent_ID.Trim().ToString() + " ";

P_data.update_tables();
        }

////reshfer;

//if (TreeView1.SelectedNode == null)
        //{
        //    return;
        //}
        //else
        //{
        //    TreeView1.SelectedNode.Value = "户部巷";
        //    TreeView1.SelectedNode.Text = "户部巷";
        //}

Server.Transfer("Tree1.aspx");
    }

// delete
    protected void Btn_node_delete_Click(object sender, EventArgs e)
    {
        P_ht.H_data P_data = new P_ht.H_data();
        if (Str_selected.Trim() == "")
        {
            ClientScriptManager scriptManager = ((Page)System.Web.HttpContext.Current.Handler).ClientScript;
            scriptManager.RegisterStartupScript(typeof(string), "", "alert('提示: 选中的节点为空,您要重新点击节点才能选中节点! ');", true);
            return;
        }
        else
        {
            //select

string str_num_ID = "";
            string str_Parent_ID = "";

P_data.sql_text1 = " SELECT Item_id,Item_name,Parent_ID FROM Para_item where Item_name = '" + Str_selected.Trim().ToString() + "' ";
            Str_sql = P_data.sql_text1;
            P_data.select_tables();
            DataSet1 = P_data.DataSet8;
            if (DataSet1.Tables[0].Rows.Count > 0)
            {
                str_num_ID = DataSet1.Tables[0].Rows[0][0].ToString().Trim();
                str_Parent_ID = DataSet1.Tables[0].Rows[0][2].ToString().Trim();
            }
            else
            {
                ClientScriptManager scriptManager = ((Page)System.Web.HttpContext.Current.Handler).ClientScript;
                scriptManager.RegisterStartupScript(typeof(string), "", "alert('提示: 没有找到节点编号, 不能删除节点! ');", true);
                return;
            }

// 如果有子节点提示先删除子节点,否则不予删除。( 另一种方法是写代码,用递归的方法找到所有的子节点,批量性删除 )
            P_data.sql_text1 = " SELECT Item_id,Item_name,Parent_ID FROM Para_item where Parent_ID = '" + str_num_ID.Trim().ToString() + "' ";
            Str_sql = P_data.sql_text1;
            P_data.select_tables();
            DataSet1 = P_data.DataSet8;
            if (DataSet1.Tables[0].Rows.Count > 0)
            {
                ClientScriptManager scriptManager = ((Page)System.Web.HttpContext.Current.Handler).ClientScript;
                scriptManager.RegisterStartupScript(typeof(string), "", "alert('提示: 不能删除, 先删除所有子节点后才都能删除父节点! ');", true);
                return;
            }
            else
            {
                P_data.sql_text1 = " delete from Para_item where Item_id = " + str_num_ID.Trim().ToString() + " ";
                P_data.update_tables();
            }
        }

//reshfer;
        Server.Transfer("Tree1.aspx");

}

}

****************************************

2. 子窗体

****************************************

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;

using System.Text;
//using System.Text.StringBuilder;

public partial class Tree1_edit : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            if (Session["Tree1_Edit_name"] != null)
            {
                this.TextBox1.Text = Session["Tree1_Edit_name"].ToString();
            }
            else
            {
                this.TextBox1.Text = "";
            }
        }
    }

protected void Btn_confirm_Click(object sender, EventArgs e)
    {
        //Response.Write("<script>window.close();</script>");// 会弹出询问是否关闭
        //Response.Write("<script>window.opener=null;window.close();</script>");// 不会弹出询问

// 不会弹出询问
        //ClientScript.RegisterStartupScript(Page.GetType(), "", "<script language=javascript>window.opener=null;window.open('','_self');window.close();</script>");

//Response.Write("<script>window.returnValue=1;window.close();</script>");

//
        StringBuilder s = new StringBuilder();
        s.Append("<script language=javascript>" + "\n window.returnValue='" + this.TextBox1.Text.Trim().ToString() + "';" + "\n window.close();" + "\n </script>");
        Type cstype = this.GetType();
        ClientScriptManager cs = Page.ClientScript;
        string csname = "ltype";
        if (!cs.IsStartupScriptRegistered(cstype, csname))
            cs.RegisterStartupScript(cstype, csname, s.ToString());

//Response.Write("<script language=javascript>opener.location.href=opener.location.href;</script>");

}

}

****************************************

20150812 Asp.net 父窗体获取子窗体的返回值,更新父窗体文本控件(应用)的更多相关文章

  1. python多线程获取子线程任务返回值

    今天想实现多线程更新资产信息,所以使用到了threading,但是我需要每个线程的返回值,这就需要我在threading.Thread的基础上进行封装 def auto_asset(node): re ...

  2. js获取服务器生成并返回客户端呈现给客户的控件id的方法

    var repeaterId = '<%=rpData.ClientID %>'; //Repeater的客户端IDvar rows = <%=rpData.Items.Count% ...

  3. JavaScript从父页面获取子页面的值(子页面又如何访问父页面)

    之前还真没做过类似的东西,,top页面获取子页面的document.. 在百度搜了下即找到这个东东,还好,能用. 主要就是使用 contentWindow方法,获取子页面的所有document,再做处 ...

  4. iframe父页面获取子页面的高度

    最近做项目中用到了iframe,子页面更改父页面的高度,经过九九八十一难,找到了解决的办法. $(window).load(function() {  var h=$(document).height ...

  5. 使用layer 弹出对话框 子父页面相互参数传递 父页面获取子页面参数实例

    一.先看效果: 1.点击三个点的图标弹出了子页面: 2.子页面调用父页面方法,图一调用父页面方法,图二得到父页面var变量.           3.选择之后,关闭弹框,父页面得到子页面单选框选择的v ...

  6. layui 或者layer 父页面获取子页面数据 或者子页面获取父页面操作方法

    var frameId = $(layero).find("iframe").attr('id');//父页面获取子页面的iframe var id = $(window.fram ...

  7. 父容器根据子容器高度自适应:设置父容器 height:100%;overflow:hidden;

    父容器根据子容器高度自适应:设置父容器  height:100%;overflow:hidden;

  8. 关于ExecuteNonQuery执行存储过程的返回值 、、实例讲解存储过程的返回值与传出参数、、、C#获取存储过程的 Return返回值和Output输出参数值

    关于ExecuteNonQuery执行存储过程的返回值 用到过ExecuteNonQuery()函数的朋友们在开发的时候肯定这么用过. if(cmd.ExecuteNonQuery("xxx ...

  9. .net dataGridView当鼠标经过时当前行背景色变色;然后【给GridView增加单击行事件,并获取单击行的数据填充到页面中的控件中】

    1.首先在前台dataGridview属性中增加onRowDataBound属性事件 2.然后在后台Observing_RowDataBound事件中增加代码 protected void Obser ...

  10. Selenium2学习-036-WebUI自动化实战实例-034-JavaScript 在 Selenium 自动化中的应用实例之六(获取 JS 执行结果返回值)

    Selenium 获取 JavaScript 返回值非常简单,只需要在 js 脚本中将需要返回的数据 return 就可以,然后通过方法返回 js 的执行结果,方法源码如下所示: /** * Get ...

随机推荐

  1. Java Servlet(二):servlet配置及生命周期相关(jdk7+tomcat7+eclipse)

    该篇文章记录了Servlet配置相关用法及Servlet在Servlet容器中生命周期方法. Tomcat是一个Servlet容器: 1.Servlet容器管理了Servlet的整个生命周期,并调用s ...

  2. Leetcode: Rotate Function

    Given an array of integers A and let n to be its length. Assume Bk to be an array obtained by rotati ...

  3. 转:python字符串/元组/列表/字典互转

    #-*-coding:utf-8-*-  #1.字典 dict = {'name': 'Zara', 'age': 7, 'class': 'First'} #字典转为字符串,返回:<type ...

  4. Mac系统下控制鼠标移动

    CGEventSourceRef source = CGEventSourceCreate(kCGEventSourceStateCombinedSessionState); CGEventRef m ...

  5. C# 动态链接库的创建

    首先在C#工程下面安装第三方插件包 安装方法:Tools --> Library Package Manager --> Package Manager Console Install-P ...

  6. 2-sat 输出任意一组可行解&拓扑排序+缩点 poj3683

    Priest John's Busiest Day Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 8170   Accept ...

  7. codeforces343A A. Rational Resistance

    http://http://codeforces.com/problemset/problem/343/A A. Rational Resistance time limit per test 1 s ...

  8. something about css locating.

    CSS position:static:默认属性,静态定位relative:相对定位,相对于父元素的定位,需要配合top,left,right,bottom,z-index等属性absolute:绝对 ...

  9. 20145207《Java程序设计》第7周学习总结

    教材学习内容总结 一.Lambda -使用Lambda的特性可以去除重复的信息,以取得语法的简洁,增加程序代码的表达性.Lambda表达式本身是中性的,不代表任何类型的实例,同样的Lambda表达式, ...

  10. Python学习总结18:函数 参数篇

    1. 判断函数是否可调用 >>> import math >>> x = 1 >>> y = math.sqrt >>> cal ...