Handle server error's

MusicPlayer/MusicPlayer/NetworkHandler.cs

@@ -27,6 +27,7 @@ namespace MusicPlayer
             Console.WriteLine(encodedstring);
             HttpWebRequest server =   (HttpWebRequest)WebRequest.Create(ip+":"+port+"/"+encodedstring);
             server.KeepAlive = false;
+            try {
                 HttpWebResponse respond = (HttpWebResponse)server.GetResponse();
                 Stream streamResponse = respond.GetResponseStream();
                 StreamReader streamRead = new StreamReader(streamResponse);
@@ -45,6 +46,18 @@ namespace MusicPlayer
                 streamRead.Close();
                 return o;
             }
+            catch(WebException e)
+            {
+                Console.WriteLine("Server is offline");
+            }
+            catch(Exception e)
+            {
+                Console.WriteLine("Er is iets fout gegaan bij het communiceren met de server.");
+            }
+
+            return null;
+            
+        }
 
         public MemoryStream downloadArtwork(string album)
         {