private void ShowTreeNodes()
        {
            ddlTreeNode.Items.Clear(); //DROPDOWNLIST        

            BannerPosition objTree = new BannerPosition();
            DataTable dtNodes = objTree.GetAll(); //select all the nodes from DB
            RecursiveFillTree(dtNodes, 0);

            ddlTreeNode.Items.Insert(0, new ListItem("- Root -", "0")); //DROPDOWNLIST
            ddlTreeNode.SelectedIndex = 0;

        }
        private void ShowTreeNodes(string ParentId)
        {
            lstTreeNode.Items.Clear(); //LISTBOX        

            BannerPosition objTree = new BannerPosition();
            DataTable dtNodes = objTree.GetAll(); //select all the nodes from DB
            RecursiveFillTree(dtNodes, 0);

            lstTreeNode.Items.Insert(0, new ListItem("- Root -", "0")); //LISTBOX
            lstTreeNode.SelectedValue = ParentId;
        }