private void ItemButton_Click(object sender, RoutedEventArgs e)
{
if (tbQuantity.Text == "")
{
MessageBox.Show("Please Enter Product Quantity!");
return;
}
PosModel item = (PosModel)itemData.ElementAt(Convert.ToInt16(((Button)sender).Tag));
Double subtotalProcess = item.productPrice * Convert.ToDouble(tbQuantity.Text);
lvPurchaseList.ItemsSource = null;
foreach (PosModel tmp in basketData)
{
if (tmp.productID == item.productID)
{
tmp.productQuantity += Convert.ToInt16(tbQuantity.Text);
tmp.productSubtotal = Convert.ToDouble(tmp.productPrice) * tmp.productQuantity;
lvPurchaseList.ItemsSource = basketData;
computation();
return;
}
}
basketData.Add(new PosModel()
{
productID = item.productID, productName = item.productName, productPrice = item.productPrice, productQuantity = Convert.ToInt16(tbQuantity.Text), productSubtotal = subtotalProcess
});
lvPurchaseList.ItemsSource = basketData;
computation();
}
private void btnDeleteProduct_Click(object sender, RoutedEventArgs e)
{
if (lvPurchaseList.SelectedIndex == -1)
{
MessageBox.Show("Please Select an Item!");
return;
}
PosModel item = (PosModel)lvPurchaseList.SelectedItem;
lvPurchaseList.ItemsSource = null;
basketData.Remove(item);
lvPurchaseList.ItemsSource = basketData;
computation();
}
