Get all the users for the specified site group in SharePoint 2010 using Client Object Model

using System; using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.SharePoint.Client; namespace COM {     class Program     {         static void Main(string[] args)         {             // siteURL is the string that contains the site URL             string siteUrl = "http://serverName:50000/sites/Testing";             // ClientContext object is used to get the context for the SharePoint objects             ClientContext clientContext = new ClientContext(siteUrl);             Web web = clientContext.Web;             Group testingOwnersGroup = web.SiteGroups.GetById(6);             UserCollection userCollection = testingOwnersGroup.Users;             clientContext.Load(userCollection,                 users => users.Include(                     user => user.LoginName,                     user => user.Id));             clientContext.ExecuteQuery();             foreach (User oUser in userCollection)             {                 Console.WriteLine(oUser.LoginName + "---------" + oUser.Id);             }                        Console.ReadLine();         }     } }