private void btnBanHang_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
frmBanHang bh = new frmBanHang();
if (ExistsForm(bh))
{
return;
}
bh.MdiParent = this;
bh.Show();
}
private void btnBanHang_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
Form form = IsActive12(typeof(QuanLy_DienThoai.Views.frmBanHang));
if (form == null)
{
frmBanHang Child = new frmBanHang(lbltendangnhap.Caption);
Child.MdiParent = this;
Child.Show();
}
else
{
form.Activate();
}
}