private UserControl CreatePanel(string panelName)

        {

            if (panelName != string.Empty)

            {

                Assembly executingAssembly = Assembly.GetExecutingAssembly();

                foreach (Type type in executingAssembly.GetTypes())

                {

                    if (type.Name.EndsWith(panelName))

                    {

                        UserControl panel = Activator.CreateInstance(type) as UserControl;

                        return panel;

                    }

                }

            }

            return null;

        }