Is There A Way . . . ???

I have a situation where I have a form that will hold one of about twenty User Controls at any one time.  Here's the code I've written so far:
  private void LoadUserControl(string controlName, int property1)
  {
    if (CurrentUserControlName != controlName)
      CurrentUserControlName = controlName;

    UserControl userControl = (UserControl)LoadControl(controlName);

    // Important Note: This next line is critically important.  By restoring the ID value
    //                 the ViewState of the control is restored.  Without it, it isn't.
    userControl.ID = CurrentUserControlName;

    // Preset the properties of this control
    ((GeneralInfo)userControl).Pr ...