private void btnOder_Click(object sender, EventArgs e)
{
UserControl.frmOderDichVu oder = new frmOderDichVu();
oder.ShowDialog();
}
private void btnOder_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
UserControl.frmOderDichVu oder = new UserControl.frmOderDichVu();
oder.ShowDialog();
}