private void BindTree()
{
this.tvMenu.Nodes.Clear();
FunctionController controller = new FunctionController();
DataSet dstMenu = controller.QueryFunctions(this.txtQueryFunCode.Text.Trim(), this.txtQueryFunName.Text.Trim());
TreeNode node = new TreeNode();
node.Text = "系统功能";
node.Value = "0";
node.NavigateUrl = "";
this.tvMenu.Nodes.Add(node);
if (dstMenu != null && dstMenu.Tables[0].Rows.Count > 0)
{
this.BindChildNode(dstMenu, node);
}
this.tvMenu.ExpandAll();
}