/// <summary>
/// Deletes an order line from the database.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DeleteButton_Click(object sender, RoutedEventArgs e)
{
try
{
if (orderLineIdInput.Text.Equals(""))
{
MessageBox.Show("Please input the text box.");
orderLineIdInput.Focus();
return;
}
else if (!Regex.IsMatch(orderLineIdInput.Text, "^[0-9]*$"))
{
MessageBox.Show("Please input only numerical characters into the text box.");
orderLineIdInput.Focus();
return;
}
}
catch (Exception ex)
{
MessageBox.Show("An error has occurred, please contact your administrator." + "\n\n" + "The error message is: " + "\n\n" + ex.ToString());
}
OrderLineObject orderLine = businessLogicLayer.CheckOrderLinesByID(int.Parse(orderLineIdInput.Text));
try
{
// Order Line Does not Exist
if (!int.Parse(orderLineIdInput.Text).Equals(orderLine.order_line_id))
{
MessageBox.Show("The Order Line ID provided does not exist.");
orderLineIdInput.Focus();
return;
}
// Delete Order Line
else
{
orderLine = businessLogicLayer.DeleteCurrentOrderLine(int.Parse(orderLineIdInput.Text));
MessageBox.Show("The provided Order Line has been deleted from the system.");
return;
}
}
catch (Exception ex)
{
MessageBox.Show("An error has occurred, please contact your administrator." + "\n\n" + "The error message is: " + "\n\n" + ex.ToString());
}
}