用treeview控件利用网上的代码已经做成树一形菜单，但是链接怎么都在自的窗口中的开，怎么证它在主MAIN中打开呢？

[gyhongjun]

用treeview控件利用网上的代码已经做成树一形菜单，但是链接怎么都在自的窗口中的开，怎么证它在主MAIN中打开呢？

[panyee]

设置 TreeNode的Target属性为"main"

[li37]

请问，你网上的代码在什么地方找到的，我还一头雾水，谢谢了

[gyhongjun]

这是我修改后的代码,你看一下吧,有什么需要帮助的MSN:[e-mail]

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 Microsoft.Web.UI.WebControls;
using System.Data.SqlClient;


namespace wzgl
{
/// <summary>
/// menu_Left 的摘要说明。
/// </summary>
public class menu_Left : System.Web.UI.Page
{
protected Microsoft.Web.UI.WebControls.TreeView TvMenu;
SqlConnection Conn;
SqlDataAdapter myCmd;
DataSet ds;
string cmdSelect;

private string strConn=System.Configuration.ConfigurationSettings.AppSettings.Get("ConnectionString");
private void Page_Load(object sender, System.EventArgs e)
{
Conn=new SqlConnection(strConn);
//Conn=new SqlConnection(Application["ConnectionString"].ToString());
CreateDataSet();
InitTree(TvMenu.Nodes,"0");
}
//建立数据集
private DataSet CreateDataSet()
{
cmdSelect="select * from S_Menu order by NodeId";
myCmd=new SqlDataAdapter(cmdSelect,Conn);
ds=new DataSet();
myCmd.Fill(ds,"tree");
return ds;
}
//建树的基本思路是：从根节点开始递归调用显示子树
private void InitTree(TreeNodeCollection Nds,string parentId)
{
DataView dv=new DataView();
TreeNode tmpNd;
string intId;
dv.Table=ds.Tables["tree"];
dv.RowFilter="ParentId='" + parentId + "'";
foreach(DataRowView drv in dv)
{
tmpNd=new TreeNode();
tmpNd.ID=drv["NodeId"].ToString();
tmpNd.Text=drv["NodeName"].ToString();
tmpNd.ImageUrl="images/"+drv["Icon"].ToString();
tmpNd.NavigateUrl="../"+drv["Address"].ToString();
Nds.Add(tmpNd);
intId=drv["ParentId"].ToString();
InitTree(tmpNd.Nodes,tmpNd.ID);
}
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
InitializeComponent();
base.OnInit(e);
}
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load);

}
#endregion
}
}