Check Network Connection in Silverlight

Copy and Paste the code below into your main page loading

--Constructor
this.Loaded += new RoutedEventHandler(LoginPage_Loaded);


 #region Get Network Status

        private void LoginPage_Loaded(object sender, RoutedEventArgs e)
        {
            GetNetworkStatus();
            NetworkChange.NetworkAddressChanged += new
                NetworkAddressChangedEventHandler(NetworkChange_NetworkAddressChanged);
        }

        private void NetworkChange_NetworkAddressChanged(object sender, EventArgs e)
        {
            GetNetworkStatus();
        }

        private void GetNetworkStatus()
        {
            _dataContext.Online = NetworkInterface.GetIsNetworkAvailable();
            if (!_dataContext.Online)
            {
                //no internet connection
                _dataContext.Message = "Internet connection is not available";
            }
            else
            {
                //Load All user Data.
                _dataContext.LoadData();
            }
        }

        #endregion