protected void LoadTree(Ext.Net.NodeCollection rootNode, string userID)
{
if (rootNode == null)
{
rootNode = new Ext.Net.NodeCollection();
}
rolefunMgr rolefunMgr = new rolefunMgr();
TreePanel1.GetRootNode().RemoveAll();
TreePanel1.GetRootNode().AppendChild(rolefunMgr.GetAllFun(3, Request.Cookies["Userinfo"]["role"].ToString().Trim()));
TreePanel1.GetRootNode().Expand(true);
}