private void HienThiFormBaoCaoDoanhThu(string name)
{
if (!HienThiForm(name))
{
FormDoanhThu form = new FormDoanhThu();
form.MdiParent = this;
form.Show();
}
}
private void BarButtonItem9_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
FormDoanhThu frmdoanhThu = new FormDoanhThu();
frmdoanhThu.ShowDialog();
}