/// <summary>
/// Deletes an order from the database.
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void DeleteButton_Click(object sender, RoutedEventArgs e)
{
try
{
if (orderIdInput.Text.Equals(""))
{
MessageBox.Show("Please input the text box.");
orderIdInput.Focus();
return;
}
else if (!Regex.IsMatch(orderIdInput.Text, "^[0-9]*$"))
{
MessageBox.Show("Please input only numerical characters into the text box.");
orderIdInput.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());
}
OrderObject order;
OrderObject order1 = businessLogicLayer.CheckOrdersByID(int.Parse(orderIdInput.Text));
OrderObject order2 = businessLogicLayer.CheckOrderIsAllocated(int.Parse(orderIdInput.Text));
try
{
if (!int.Parse(orderIdInput.Text).Equals(order1.order_id))
{
MessageBox.Show("The Order ID provided does not exist.");
orderIdInput.Focus();
return;
}
else if (order2.status.Equals("allocated"))
{
MessageBox.Show("The Order provided is currently allocated and so cannot be deleted. \n\nPlease contact an administrator if the order still needs to be deleted.");
orderIdInput.Focus();
return;
}
else if (order2.status.Equals("picked"))
{
MessageBox.Show("The Order provided has already been picked and so cannot be deleted. \n\nPlease contact an administrator if the order still needs to be deleted.");
orderIdInput.Focus();
return;
}
else if (order2.status.Equals("dispatched"))
{
MessageBox.Show("The Order provided has already been dispatched and so cannot be deleted. \n\nPlease contact an administrator if the order still needs to be deleted.");
orderIdInput.Focus();
return;
}
else
{
order = businessLogicLayer.DeleteCurrentOrder(int.Parse(orderIdInput.Text));
MessageBox.Show("The provided Order 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());
}
}