private void cmdThem_Click(object sender, RoutedEventArgs e)
{
// this.DialogResult = true;
frmnhapxa frm = new frmnhapxa(false);
this.DialogResult = false;
frm.Show();
}
private void tableView1_RowDoubleClick(object sender, DevExpress.Xpf.Grid.RowDoubleClickEventArgs e)
{
frmnhapxa frm = new frmnhapxa(true);
frm.txtmaxa.Text = gridControl1.GetFocusedRowCellValue(maxa).ToString().Trim();
frm.txtmaxa.IsReadOnly = true;
frm.txtten.Text = gridControl1.GetFocusedRowCellValue(ten).ToString().Trim();
this.DialogResult = false;
frm.Show();
}