private void LikeCommandExecute()
 {
     if (!TheConcert.hasLiked)
     {
         Like = bmLike;
         ValidateKey.GetValideKey();
         var post = new HttpRequestPost();
         var res = post.SetLike("Concerts", Singleton.Singleton.Instance().SecureKey,
             Singleton.Singleton.Instance().CurrentUser.id.ToString(), TheConcert.id.ToString());
         res.ContinueWith(delegate(Task<string> tmp2)
         {
             var result = tmp2.Result;
             if (result != null)
             {
                 CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
                     UpdateConcert);
             }
         });
     }
     else
     {
         Like = bmDislike;
         ValidateKey.GetValideKey();
         var get = new HttpRequestGet();
         var res = get.DestroyLike("Concerts", TheConcert.id.ToString(), Singleton.Singleton.Instance().SecureKey,
             Singleton.Singleton.Instance().CurrentUser.id.ToString());
         res.ContinueWith(delegate(Task<string> tmp2)
         {
             var result = tmp2;
             if (result != null)
             {
                 CoreApplication.MainView.CoreWindow.Dispatcher.RunAsync(CoreDispatcherPriority.Normal,
                     UpdateConcert);
             }
         });
     }
 }