/// <summary>
/// Edit an existing Invoice
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnEditInvoice_Click(object sender, RoutedEventArgs e)
{
try
{
//Enable Buttons
tbInvoiceNumber.IsEnabled = true;
dpInvoiceDate.IsEnabled = true;
txtbxTotalCost.IsEnabled = true;
cmbInvoiceItem.IsEnabled = true;
cmbxItemsAdded.IsEnabled = true;
//Enable Save button
btnSaveInvoice.IsEnabled = true;
//disable edit and delete buttons
btnEditInvoice.IsEnabled = false;
btnDeleteInvoice.IsEnabled = false;
//get items from line item
List <clsLineItems> i = ml.getInvoiceItems(InvoiceNum);
List <String> code = i.Select(a => a.ItemCode).ToList();
List <clsItems> temp = new List <clsItems>();
foreach (var item in code)
{
temp = ml.GetItemsByCode(item);
}
List <String> desc = new List <String>();
desc = temp.Select(a => a.ItemDesc).ToList();
addeditems.AddRange(desc);
cmbxItemsAdded.ItemsSource = addeditems;
}
catch (Exception ex)
{
HandleError(MethodInfo.GetCurrentMethod().DeclaringType.Name,
MethodInfo.GetCurrentMethod().Name, ex.Message);
}
}