public StaffController(IStaffServices staffServices, IStaff staff, IDesigantionServices designationServices)
 {
     _Staff                = new Staff();
     _IStaff               = staff;
     _IStaffServices       = staffServices;
     _IDesigantionServices = designationServices;
 }
 protected override void Dispose(bool isDisposing)
 {
     if (isDisposing)
     {
         _IDesigantionServices = null;
         _IStaff         = null;
         _IStaffServices = null;
     }
 }