public static AddClass getInstance()
{
instance = new AddClass();
if (classService == null)
classService = new ClassService();
return instance;
}
public static ClassService getInstance()
{
if (instance == null)
{
instance = new ClassService();
}
if (classDao == null)
{
classDao = new ClassDao();
}
if (userClassDao == null)
userClassDao = new UserClassDao();
return instance;
}
public static BodyStu createForm()
{
if (instance == null || instance.IsDisposed)
{
instance = new BodyStu();
if (userService == null)
userService = UserService.getInstance();
if (classService == null)
classService = ClassService.getInstance();
if (strWheres == null)
strWheres = new Dictionary<string, string>();
}
return instance;
}
public AddClass()
{
InitializeComponent();
if (classService == null)
classService = new ClassService();
}