/// <summary>
/// Removes Items from Invoice
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnRemoveItem_Click(object sender, RoutedEventArgs e)
{
try
{
//Check to make sure item is selected
if (addedItem.Equals(" ") || addedItem.Equals(null))
{
return;
}
string itemDesc = cmbxItemsAdded.SelectedItem.ToString();
//Remove item
addeditems.Remove(itemDesc);
string itemCode = ml.getItemCode(itemDesc);
//Subtract removed item from total
double cost;
cost = ml.getItemCost(itemCode);
total -= cost;
//Remove Item from Invoice
ml.DeleteItemFromInvoice(InvoiceNum, itemCode);
//Clear ComboBox Added Items
cmbxItemsAdded.ClearValue(ItemsControl.ItemsSourceProperty);
//Reload Added Items to ComboBox
cmbxItemsAdded.ItemsSource = addeditems;
//Clear Selected
cmbxItemsAdded.SelectedIndex = -1;
//Disable Remove Button
btnRemoveItem.IsEnabled = false;
//Change Total
txtbxTotalCost.Text = "$ " + String.Format("{0:N2}", total);
}
catch (Exception ex)
{
HandleError(MethodInfo.GetCurrentMethod().DeclaringType.Name,
MethodInfo.GetCurrentMethod().Name, ex.Message);
}
}
