在C#后代码里使用IE WEB Control TreeView 网站目录下需要有Microsoft.Web.UI.WebControls.dll和相应的文件 如大家要转载,请保留本人的版权。
/* *Description:完全的操作XML文件 *Auther:mingziweb_天很蓝 *Email:[email protected] *Dates:22004-09-10 *Copyright:ChongChong2008 YiChang HuBei China */
.aspx <%@ Register TagPrefix="ie" Namespace="Microsoft.Web.UI.WebControls" Assembly="Microsoft.Web.UI.WebControls" %> <%@ Page language="c#" Codebehind="TreeView.aspx.cs" AutoEventWireup="false" Inherits="Test.WebForm1" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" > <HTML> <HEAD> <title>WebForm1</title> <meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1"> <meta name="CODE_LANGUAGE" Content="C#"> <meta name="vs_defaultClientScript" content="JavaScript"> <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5"> </HEAD> <body MS_POSITIONING="GridLayout"> <form id="Form1" method="post" runat="server"> <FONT face="宋体"> <ie:TreeView id="myTreeView" style="Z-INDEX: 101; LEFT: 24px; POSITION: absolute; TOP: 32px" runat="server"></ie:TreeView></FONT> </form> </body> </HTML>
.cs using System; using System.Collections; using System.ComponentModel; using System.Data; using System.Drawing; using System.Web; using System.Web.SessionState; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.HtmlControls;
using System.Data.SqlClient; using System.Configuration;
using Microsoft.Web.UI.WebControls;
namespace Test { /// <summary> /// WebForm1 的摘要说明。 /// </summary> public class WebForm1 : System.Web.UI.Page { protected Microsoft.Web.UI.WebControls.TreeView myTreeView; private SqlConnection myConnection = new SqlConnection(ConfigurationSettings.AppSettings["strConn"]);
#region Web 窗体设计器生成的代码 override protected void OnInit(EventArgs e) { // // CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。 // InitializeComponent(); base.OnInit(e); } /// <summary> /// 设计器支持所需的方法 - 不要使用代码编辑器修改 /// 此方法的内容。 /// </summary> private void InitializeComponent() { this.Load += new System.EventHandler(this.Page_Load);
} #endregion
private void Page_Load(object sender, System.EventArgs e) { // 在此处放置用户代码以初始化页面
TreeNode myTreeNodeRoot = AddTreeNodeRoot(); AppendChild(myTreeNodeRoot);
}
private TreeNode AddTreeNodeRoot() {
TreeNode myTreeNode = new TreeNode();
myTreeNode.ID = "420000"; myTreeNode.Expanded = true; myTreeNode.Target = ""; myTreeNode.Text = "我的社区";
myTreeView.Nodes.Add(myTreeNode); return myTreeNode; }
private TreeNode AddSubNode(TreeNode subTreeNode) {
TreeNode myTreeNode = new TreeNode();
myTreeNode.ID = "00001"; myTreeNode.Expanded = true; myTreeNode.Target = ""; myTreeNode.Text = "省份"; myTreeNode.NavigateUrl = "" ;
subTreeNode.Nodes.Add(myTreeNode); return myTreeNode; }
private void AppendChild(TreeNode myTreeNode) {
TreeNode mySubNode = AddSubNode(myTreeNode);
if(GetClassTable().Rows.Count>0) { DataTable myDataTable = new DataTable(); myDataTable = GetClassTable();
for(int i=0;i<myDataTable.Rows.Count;i++) { TreeNode myTreeNodeSub = new TreeNode(); myTreeNodeSub.CheckBox=true; if(i==20) { myTreeNodeSub.Checked=true; }
myTreeNodeSub.ID = myDataTable.Rows[i]["class_code"].ToString(); myTreeNodeSub.Expanded = false; myTreeNodeSub.Target = "Body"; myTreeNodeSub.Text = myDataTable.Rows[i]["class_name"].ToString(); myTreeNodeSub.NavigateUrl = "DocList.aspx?DocCatalogGuid=" + myDataTable.Rows[i]["class_code"].ToString(); mySubNode.Nodes.Add(myTreeNodeSub);
AppendChildren(myTreeNodeSub);
} } }
private void AppendChildren(TreeNode myTreeNode) { if(GetSubClassTable(myTreeNode.ID).Rows.Count>0) { DataTable myDataTable = new DataTable(); myDataTable = GetSubClassTable(myTreeNode.ID);
for(int i=0;i<myDataTable.Rows.Count;i++) { TreeNode myTreeNodeSub = new TreeNode();
myTreeNodeSub.CheckBox=true;
myTreeNodeSub.ID = myDataTable.Rows[i]["subclass_code"].ToString(); myTreeNodeSub.Expanded = false; myTreeNodeSub.Target = "Body"; myTreeNodeSub.Text = myDataTable.Rows[i]["subclass_name"].ToString(); myTreeNodeSub.NavigateUrl = "DocList.aspx?DocCatalogGuid=" + myDataTable.Rows[i]["class_code"].ToString();
myTreeNode.Nodes.Add(myTreeNodeSub);
AppendChildren(myTreeNodeSub);
} } }
private DataTable GetClassTable() { //绑定drpMC_Code
string strSql="select * from [class] order by id desc";
OpenConnection();
SqlDataAdapter myCommand = new SqlDataAdapter(strSql,myConnection); DataSet ds= new DataSet(); myCommand.Fill(ds);
CloseConnection();
return ds.Tables[0];
}
private DataTable GetSubClassTable(string class_code) { //绑定drpMC_Code
string strSql="select * from [subclass] where class_code=@class_code order by id desc";
OpenConnection();
SqlDataAdapter myCommand = new SqlDataAdapter(strSql,myConnection);
myCommand.SelectCommand.CommandType=CommandType.Text; myCommand.SelectCommand.Parameters.Add("@class_code",SqlDbType.NVarChar,10).Value=class_code ; DataSet ds= new DataSet(); myCommand.Fill(ds);
CloseConnection();
return ds.Tables[0];
}
/// <summary> /// 打开数据库连接 /// </summary>
private void OpenConnection() {
if (myConnection.State == ConnectionState.Closed) myConnection.Open(); }
/// <summary> /// 关闭数据库连接 /// </summary>
private void CloseConnection() {
if (myConnection.State == ConnectionState.Open) myConnection.Close(); }
} }

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