protected void btnRemove_Click(object sender, EventArgs e) { MTCSYT.SYS_Session session = (MTCSYT.SYS_Session)Session["SYS_Session"]; string strMadviqly = session.User.ma_dviqlyDN; var cv = (DataRowView)grdKH.GetRow(grdKH.FocusedRowIndex); string ma_tram = cv["MA_TRAM"] + ""; string ma_khang = cv["MA_KHANG"] + ""; db.DELETE_TTTT_KHACHHANG_LUUY(strMadviqly, ma_khang); LoadKH(); grdKH.Selection.UnselectAll(); }