头一次用treeview,把初始化贴上来,明天用所用表结构为父ID,ID和名称
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 Microsoft.Web.UI.WebControls;
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namespace WebTreeview
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected Microsoft.Web.UI.WebControls.TreeView myTreeView1;
protected System.Web.UI.WebControls.DataGrid DataGrid1;
DataTable myTable = new DataTable();
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
SqlConnection myConn = new SqlConnection("Server=EVA-KAMUI;DataBase=testDB;user id=sa;password=123456;");
SqlDataAdapter myAdapter = new SqlDataAdapter("wss_Get_table_1", myConn);
myAdapter.Fill(myTable);
DataGrid1.DataSource = myTable;
DataGrid1.DataBind();
buildTree(myTreeView1.Nodes,"");
}
private void buildTree(TreeNodeCollection NodesColl,string parentID)
{
TreeNode tmpNode;
string thisID;
foreach(DataRow myRow in myTable.Select("parentID='" + parentID + "'"))
{
tmpNode = new TreeNode();
tmpNode.ID = myRow["myID"].ToString();
tmpNode.Text = myRow["docName"].ToString();
tmpNode.CheckBox = true;
thisID = tmpNode.ID;
NodesColl.Add(tmpNode);
buildTree(NodesColl[NodesColl.Count-1].Nodes, thisID);
}
}
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Web 窗体设计器生成的代码
}
}
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