Call WebServices from JavaScript without using ScriptManager in asp.net

Question

I have created a Web service for my Asp.net project. At present I'm accessing the service from JavaScript by referencing the Service in ScriptManager. But I don't want to add a ScriptManager so that I can use it in any HTML page.

so you want to call your webservice using JavaScript ajax not by using ScriptManager ?? — ebram khalil
– ebram khalil, Commented Mar 12, 2013 at 11:34
You can always write your own Javascript and/or use a library (e.g. Jquery) if you want and build your own Ajax requests and parse responses. — EdSF
– EdSF, Commented Mar 12, 2013 at 11:37
I found something , but it doesn't say how to pass parameters. My method requires two string inputs — Subin Jacob
– Subin Jacob, Commented Mar 12, 2013 at 11:41

ebram khalil · Accepted Answer · 2013-03-12 13:00:17Z

1

Ok. so you want to make ajax call to some web-service method and pass parameters to it. And you are going to pass the parameters as JSON format

function CallWebServiceMethod() {
     var requestedData = "{ 'LifeCycleN': '" + var_LifeCycleN +//var_LifeCycleN some var represent your data that you want to send
            "', 'LiOrder': '" + var_LiOrder +//var_LiOrder again some var represent your data that you want to send
            "'}";
    $.ajax({
        type: "POST",
        url: "Services/YouWebServiceName.asmx/WebServiceMethodName",
        data: requestedData,
        contentType: "application/json; charset=utf-8",
        dataType: "json",
        success: function (msg) {// I 'll assume that your web-service 'll return bool value indicate if the operation done successfully or not.
        //do here what you want to do is the request was successful.
        }
    });

    }

edited Mar 12, 2013 at 13:00

answered Mar 12, 2013 at 11:44

ebram khalil

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13 Comments

Subin Jacob Over a year ago

Ya this is what I Exactly wanted. Let me try it! Thank You

ebram khalil Over a year ago

if you want me to explain more just tell me.

Subin Jacob Over a year ago

[WebMethod] public static void GetStageList(string LifeCycleN, string LiOrder)

Subin Jacob Over a year ago

This is how my webservice accepts values. then how should i `var requestedData'must be

ebram khalil Over a year ago

i updated the code..please tell me which part is not working or what's the error you get?

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