Select it used for proper error handling

C-UI/SCU_Store.cs

@@ -25,21 +25,17 @@ namespace C_UI
         {
             var client = new DicomClient(_storeServerHost, _storeServerPort, false, _storeServerAET, _aet);
             client.NegotiateAsyncOps();
-            
-            dicomFiles.ToObservable().Subscribe(
-            async onNext =>
-            {                
-                
-                var request = new DicomCStoreRequest(onNext);
-                request.OnResponseReceived += (req, response) => logger.Info($"{response.Status}-{onNext}" );
-                await client.AddRequestAsync(request);
-                await client.SendAsync();
-            },
-            onError =>
-            {
-                logger.Error(onError.Message);
-            }
-            );
+
+            dicomFiles.ToObservable()
+                .Select(async onNext =>
+                {
+
+                    var request = new DicomCStoreRequest(onNext);
+                    request.OnResponseReceived += (req, response) => logger.Info($"{response.Status}-{onNext}");
+                    await client.AddRequestAsync(request);
+                    await client.SendAsync();
+                })
+                .Subscribe(x => { }, onError => logger.Error(onError.Message), () => { });
 
         }
     }