treeview 在iframe框架里打开

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;


using System.Data.SqlClient;
public partial class webcontrols_treeview : System.Web.UI.UserControl
{
protected void Page_Load(object sender, EventArgs e)
{
#region 获取当前权限表
ROLE myrole = new ROLE();
myrole.ROLEID = Convert.ToInt16(Session["roleid"].ToString());
myrole.GetModel(myrole.ROLEID);
//获取整个表，里面包含当前所有权限的moduleid
DataSet ds = new DataSet();
Authority myauthority = new Authority();
ds = myauthority.GetList("RoleID=" + myrole.ROLEID + "");
#endregion
#region  父节点添加
//建立int来防止fathermoduleid相同来判断并且只建立一个fathernode
int fathermoduleid = 100;
for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{
MODULE mymodule = new MODULE();
//设立查询的moduleid
mymodule.MODULEID = Convert.ToInt16(ds.Tables[0].Rows[i].ItemArray[2]);
//获取实例module
mymodule.GetModel(mymodule.MODULEID);

//查询父节点
//获取父节点编号
int Ofathernodeid = Convert.ToInt16(mymodule.MODULE_FATHERID);
//查询所有父节点的模块
MODULE fathermodule = new MODULE();
fathermodule.MODULEID = Ofathernodeid;
fathermodule.GetModel(fathermodule.MODULEID);

//查询结果中有重复取消在循环中进行判断，将重复的不执行
if (fathermoduleid != fathermodule.MODULEID)
{ //将当前查询到的父节点的id负值给Ofathernodeid
fathermoduleid = fathermodule.MODULEID;
//实例化本父节点
TreeNode FatherNode = new TreeNode(fathermodule.MODULE_NAME, fathermodule.MODULEID.ToString(), "", fathermodule.MODULE_URL, "_blank");

this.Tree_left.Nodes.Add(FatherNode);
  FatherNode.Target = "manFrame";
}

}
#endregion
#region 子节点添加
for (int i = 0; i < ds.Tables[0].Rows.Count; i++)
{
MODULE mymodule = new MODULE();
//设立查询的moduleid
mymodule.MODULEID = Convert.ToInt16(ds.Tables[0].Rows[i].ItemArray[2]);
//获取实例module
mymodule.GetModel(mymodule.MODULEID);
//实例化本子节点
if (mymodule.MODULE_FATHERID != 0)
{
//建立子节点
TreeNode Childnode = new TreeNode(mymodule.MODULE_NAME, mymodule.MODULEID.ToString().Trim(), "", mymodule.MODULE_URL, "_blank");
//this.Tree_left.Nodes.Add(Childnode);
//遍历所有treenode查询出需要的treenode
foreach (TreeNode myfathernode in Tree_left.Nodes)
{
MODULE mymodule1 = new MODULE();
mymodule1.MODULEID = Convert.ToInt16(myfathernode.Value);
mymodule1.GetModel(mymodule1.MODULEID);
if (Convert.ToInt16(mymodule1.MODULE_FATHERID) == 0 && mymodule.MODULE_FATHERID == mymodule1.MODULEID)
{
myfathernode.ChildNodes.Add(Childnode);
Childnode.Target = "manFrame";
   //manframe是iframe框架的name
}
}
}
}
#endregion
}
}