标签：
1. 父窗体
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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>");
}
}
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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）
标签：
原文地址：http://www.cnblogs.com/hutie1980/p/4725607.html
