protected void Page_Load(object sender, EventArgs e)
 {
     ChatService.ChatServiceClient chatService = new ChatService.ChatServiceClient();
     FileService.FileUpLoadServiceClient fileService = new FileService.FileUpLoadServiceClient();
       //  var id = Convert.ToInt32(Request.QueryString[ID]);
       //  string qs = Request.QueryString[ID];
     string param1 = Request.Url.ToString().Split('=')[1];
     int id = Convert.ToInt32(param1);
     Library.File hest = fileService.getFileById(id);
     List<ChatMessage> kat = chatService.GetLast20MessagesFromFile(hest).ToList();
     Repeater2.DataSource = kat;
     Repeater2.DataBind();
 }