private void barBtnPrintBill_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
frmPrintBill frm = new frmPrintBill();
frm.MdiParent = this;
frm.Show();
}
private void barBtnPrintBill_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
foreach (Form item in this.MdiChildren)
{
if (item.Name == "frmPrintBill")
{
item.Dispose();
break;
}
}
frmPrintBill frm = new frmPrintBill();
frm.MdiParent = this;
frm.Show();
}