protected override void Dispose(bool disposing)
 {
     if (disposing)
     {
         _db.Dispose();
     }
     base.Dispose(disposing);
 }
 public void Dispose()
 {
     try
     {
         _context.Dispose();
     }
     catch (Exception ex)
     {
         throw ex;
     }
 }
 public void Dispose()
 {
     _context.Dispose();
 }