/// <summary>
/// On Click Save button will submit Total to Invoice
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnSaveInvoice_Click(object sender, RoutedEventArgs e)
{
try
{
string t = total.ToString();
ml.UpdateInvoiceTotal(InvoiceNum, t);
//clear old data
dgInvoices.ClearValue(ItemsControl.ItemsSourceProperty);
//refresh the items in the data grid
List <clsInvoice> invoice = ml.GetAllInvoices();
dgInvoices.ItemsSource = invoice;
tbInvoiceNumber.Text = "TBD";
dpInvoiceDate.SelectedDate = null;
txtbxTotalCost.Text = null;
cmbxItemsAdded.ClearValue(ItemsControl.ItemsSourceProperty);
tbInvoiceNumber.IsEnabled = false;
dpInvoiceDate.IsEnabled = false;
txtbxTotalCost.IsEnabled = false;
cmbInvoiceItem.IsEnabled = false;
cmbxItemsAdded.IsEnabled = false;
//Enable Save button
btnSaveInvoice.IsEnabled = false;
}
catch (Exception ex)
{
HandleError(MethodInfo.GetCurrentMethod().DeclaringType.Name,
MethodInfo.GetCurrentMethod().Name, ex.Message);
}
}