Exemple #1
0
        private void txtBarcode_PreviewKeyDown(object sender, KeyEventArgs e)
        {
            if (e.Key == Key.Enter)
            {
                if (!stock.GetStock(this.txtBarcode.Text.Trim()))
                {
                    MessageBox.Show("条码错误或商品库存不足!", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
                    this.txtBarcode.SelectAll();
                }
                else
                {
                    this.txtBarcode.Text = string.Empty;
                }

                e.Handled = true;
            }
        }