protected void datalist_id_ItemCommand(object source, DataListCommandEventArgs e)
{
if (e.CommandName.ToString() == "cancel")
{
datalist_id.EditItemIndex = -1;
DataSet ds = my_db.sqlpuldata("select * from tbl_url order by url_id desc");
datalist_id.DataSource = ds;
datalist_id.DataBind();
}