/// <summary>
/// This will delete an existing Invoice
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnDeleteInvoice_Click(object sender, RoutedEventArgs e)
{
try
{
clsInvoice invoice = (clsInvoice)dgInvoices.SelectedItem;
string invoiceNum = invoice.InvoiceNum.ToString();
ml.DeleteLineItems(invoiceNum);
ml.DeleteInvoice(invoiceNum);
dgInvoices.ClearValue(ItemsControl.ItemsSourceProperty);
//Populate DataGrid with Invoices
List <clsInvoice> refresh = ml.GetAllInvoices();
dgInvoices.ItemsSource = refresh;
//disable Delete and Edit Buttons
btnDeleteInvoice.IsEnabled = false;
btnEditInvoice.IsEnabled = false;
}
catch (Exception ex)
{
HandleError(MethodInfo.GetCurrentMethod().DeclaringType.Name,
MethodInfo.GetCurrentMethod().Name, ex.Message);
}
}