public object PostUpdteAutoPrint(ShopBranch info)
 {
     ShopApplication.SetAutoPrint(CurrentUser.ShopId, info.IsAutoPrint);
     string userkey = WebHelper.GetFormString("userkey");
     var currentInfo = PrintHub.ConnectedUsers.FirstOrDefault(p => p.UserKey == userkey);
     if (currentInfo != null)
         currentInfo.IsAutoPrint = info.IsAutoPrint;
     return new { success = true };
 }