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ASP.NET µÝ¹é °ó¶¨TreeView

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using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class SetManage_druclass : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
InitTreeView(null, 0);
}
}
public void InitTreeView(TreeNode pNode, int parentID)
{
DataSet ds = new DataSet();//ÕâÀïµ÷ÓÃÊý¾Ý¿â»ñÈ¡Êý¾ÝÔ´
TreeNode node;
if (ds != null && ds.Tables[0].Rows.Count > 0)
{
for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{
node = new TreeNode();
//½ÚµãÃû³Æ
node.Text = ds.Tables[0].Rows[i]["CATEGORY_NAME"].ToString();
//½ÚµãID
int currID = 0;
int.TryParse(ds.Tables[0].Rows[i]["CATEGORY_ID"].ToString(), out currID);
//ÅжÏÊDz»ÊǸù½Úµã
if (pNode == null)
this.TreeView1.Nodes.Add(node);
else
pNode.ChildNodes.Add(node);
//µÝ¹éµ÷ÓÃ
InitTreeView(node, currID);
}
}
}
}

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