private void btnRemove_Click(object sender, EventArgs e) { if (removeMSTT != 0) { string masseage = "Bạn có muốn xóa TT" + removeMSTT.ToString("D6") + "không ?"; string Title = "Chú ý"; DialogResult result = MessageBox.Show(masseage, Title, MessageBoxButtons.YesNo, MessageBoxIcon.Warning, MessageBoxDefaultButton.Button2); if (result == DialogResult.Yes) { employeePaymentBO.isDelete(removeMSTT); loadDG(); loadEmployeeName(); removeMSTT = 0; loadTotalOFDetail(); ResetForm(); } } }