private void btn_Delete_Click(object sender, RoutedEventArgs e)
{
dynamic row = lvPurchase.SelectedItem;
Common.ErrorMessage((string)myResourceDictionary["purchase_confirmationmsg"], header);
if (Common._isChecked)
{
controller.DeleteDirectPurchase(row.PurchaseId);
BindDirectPurchases();
Common.Notification((string)myResourceDictionary["purchase_deletedsuccessmsg"], header, false);
ButtonDisable();
}
}
