Пример #1
0
 public USR_GradeDal GetInstance()
 {
     if (_instance == null)
     {
         _instance = new USR_GradeDal();
     }
     return(_instance);
 }
Пример #2
0
 public USR_GradeDal GetInstance()
 {
     if (_instance == null)
     { _instance = new USR_GradeDal(); }
     return _instance;
 }