Hi,
 
 
This is my code :
 
  public NotificationData ReadNotification(int memberId, int NotificationId)
        {
            using (KiwiDbContext context=new KiwiDbContext(_ConnectionString))
            {
                NotificationData nd=new NotificationData();
                    nd.IsRead = true;
                    var query = (from n in context.Notifications where n.MemberID == memberId && n.NotificationID == NotificationId && n.IsRead == false select new NotificationData  { NotificationID=n.NotificationID, Message=n.Message, CreatedTime=n.NotificationTime, IsRead=n.IsRead });
                 return nd;
                 
               }
        } 
 
When I execute the data will be displayed but not saving to database 
 
Please give me correct code for that