/// <summary>
/// Handles the Create New Invoice button being clicked
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void cmdCreateNew_Click(object sender, RoutedEventArgs e)
{
try
{
infoLabel.Content = "";
txtInvoice.Text = "";
lblInvoiceNumber.Visibility = Visibility.Hidden;
txtInvoice.Visibility = Visibility.Hidden;
listItems.Items.Clear();
selectItem.Items.Clear();
ObservableCollection <clsItem> col_Items = new ObservableCollection <clsItem>();
col_Items = SQLStatements.itemsCollection();
foreach (clsItem item in col_Items)
{
selectItem.Items.Add(item);
}
txtDate.Text = DateTime.Now.ToString();
selectItem.IsEnabled = true;
cmdAdd.IsEnabled = true;
cmdDeleteItem.IsEnabled = true;
cmdSave.IsEnabled = true;
txtCost.Text = "0";
}
catch (Exception ex)
{
throw new Exception(MethodInfo.GetCurrentMethod().DeclaringType.Name + "." + MethodInfo.GetCurrentMethod().Name + " -> " + ex.Message);
}
}
public MainWindow()
{
this.InitializeComponent();
//MAKE SURE TO INCLUDE THIS LINE OR THE APPLICATION WILL NOT CLOSE
//BECAUSE THE WINDOWS ARE STILL IN MEMORY
Application.Current.ShutdownMode = ShutdownMode.OnMainWindowClose;
SQLStatements = new clsSQLStatements();
selectItem.ItemsSource = SQLStatements.itemsCollection();
}