private void grvNganHang_DoubleClick(object sender, EventArgs e)
        {
            kh = (GVNH.GetRow(GVNH.GetSelectedRows()[0]) as O_NGANHANG);
            frmSoDuNganHang frm = new frmSoDuNganHang(kh.ID);

            frm.ShowDialog();
        }
 private void grvNganHang_Click(object sender, EventArgs e)
 {
     kh = (GVNH.GetRow(GVNH.GetSelectedRows()[0]) as O_NGANHANG);
     if (chkNganHang.Checked)
     {
         TaiLaiDuLieu();
     }
 }
 private void chkNganHang_CheckedChanged(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
 {
     kh = (GVNH.GetRow(GVNH.GetSelectedRows()[0]) as O_NGANHANG);
     TaiLaiDuLieu();
 }