AJAX to web method not returning JSON

Question

I am calling a web method in aspx page from my js file using AJAX. I have set the method to be [WebMethod] and the page inherits from System.Web.Ui.Page class. Still it does not

Answer 1

Try this

    [WebMethod]
    [ScriptMethod(ResponseFormat = ResponseFormat.Json)]
        public string CustomOrderService(string id)
        {
            string result;
            // code logic which sets the result value
            result="some value";

            return result;
        }