/// <summary>
/// Handle the delete invoice button being clicked
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void btnDeleteInvoice_Click(object sender, RoutedEventArgs e)
{
try
{
if (!sqlProvider.DeleteInvoiceLineItems(invoice))
{
MessageBox.Show("Failed to remove line items from the database.");
return;
}
if (!sqlProvider.DeleteInvoice(invoice))
{
MessageBox.Show("Failed to remove the invoice from the database. Line items removed successfully");
return;
}
isNewInvoice = false;
lblInvoiceNum.Content = "Invoice";
dgInvoiceItems.ItemsSource = null;
dgInvoiceItems.Items.Refresh();
invoice = null;
btnEditInvoice.IsEnabled = false;
btnDeleteInvoice.IsEnabled = false;
dpInvoiceDate.SelectedDate = null;
lblTotalCost.Content = "";
btnEditInvoice.IsEnabled = false;
btnDeleteInvoice.IsEnabled = false;
UpdateIsEnabledField(false);
MessageBox.Show("Invoice deleted successfully.");
}
catch (Exception ex)
{
//This is the top level method so we want to handle the exception
HandleError(MethodInfo.GetCurrentMethod().DeclaringType.Name,
MethodInfo.GetCurrentMethod().Name, ex.Message);
}
}
/// <summary>
/// handles the delete invoice button click by deleteing the currently selected invoice.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void deleteInvoiceButton_Click(object sender, RoutedEventArgs e)
{
try
{
if (datePicker.SelectedDate == null)
{
selectDateErrorLabel.Visibility = (Visibility)0;
}
else if (invoiceComboBox.SelectedItem == null)
{
Selecet_Invoice_Error_Label.Visibility = (Visibility)0;
}
else
{
clsInvoices selectedInvoice = (clsInvoices)invoiceComboBox.SelectedItem;
invoiceDataGrid.ItemsSource = dataGridList;
selectDateErrorLabel.Visibility = (Visibility)1;
Selecet_Invoice_Error_Label.Visibility = (Visibility)1;
invoiceNumberTextBox.Text = selectedInvoice.InvoiceNum;
mainLogic.DeleteInvoice(selectedInvoice.InvoiceNum);
dataGridList.Clear();
invoiceDataGrid.ItemsSource = dataGridList;
itemsComboBox.Text = "";
invoiceComboBox.Text = "";
datePicker.Text = "Please select a date";
invoice_Deleted_Label.Visibility = (Visibility)0;
}
}
catch (Exception ex)
{ //this is reflection
HandleError(MethodInfo.GetCurrentMethod().DeclaringType.Name,
MethodInfo.GetCurrentMethod().Name, ex.Message);
}
}
/// <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);
}
}
/// <summary>
/// Delete Invoice
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void Btn_Delete_Click(object sender, RoutedEventArgs e)
{
if ((MessageBoxResult)MessageBox.Show("Are you sure you want to delete this invoice?", "Delete Confirmation", MessageBoxButton.YesNo, MessageBoxImage.Question) == MessageBoxResult.Yes)
{
mn.DeleteInvoice();
}
MI_Close_Click();
}
