public void ProcessRequest(HttpContext context)
        {
            context.Response.ContentType = "text/plain";
            int id = Convert.ToInt32(context.Request["id"]);

            if (UserInfoManager.DeleteUserById(id) >= 1)
            {
                context.Response.Write(0);
            }
            else
            {
                context.Response.Write(1);
            }
        }