private bool UrlIdExists(string urlId) { iMentorUserServiceMstr userService = new iMentorUserServiceMstr(); List <iMentorUserInfo> users = userService.GetUsers(); foreach (iMentorUserInfo user in users) { if (user.UrlId.Equals(urlId, StringComparison.OrdinalIgnoreCase)) { return(true); } } return(false); }