protected void btnRemoveSelectedPlugg_Click(object sender, EventArgs e)
{
BaseHandler bh = new BaseHandler();
CoursePlugg cp = bh.FindCoursePlugg(Language, CourseId, Convert.ToInt32(hdnNodeCPId.Value));
if (cp.children.Count == 0)
{
bh.DeleteCP(Convert.ToInt32(hdnNodeCPId.Value));
lblCannotDelete.Visible = false;
}
else
lblCannotDelete.Visible = true;
BindTree();
}