Access C# method using ajax in asp.net?

Question

Below are both my C# and

JavaScript code, I can access this method but I'm not getting the expected output

from "success":

success: function( msg ){ 
    alert( msg.d );  
}

Instead it returns [object object]

Javascript:

             $.ajax({
                type: "POST",
                url: "Home.aspx/UpdateSelectionStatus,
                data: '{id_ver: "' + id + '" }',
                contentType: "application/json; charset=utf-8",
                dataType: "json",
                cache: false,
                success: function(msg){alert(msg.d);},
                failure: function(){ }
            });

C#:

    [System.Web.Services.WebMethod]
    [System.Web.Script.Services.ScriptMethod]
    public static string UpdateSelectionStatus(string id_ver){

      return "success" + id_ver;

   }

please return json value from c# function like this return "{\"success\":\""+id_ver+"\"}"; — Sain Pradeep
– Sain Pradeep, Commented Jan 10, 2014 at 9:52

speti43 · Accepted Answer · 2014-01-10 09:35:54Z

3

That is the bug:

  alert(msg.d);

just use msg directly:

  success: function (msg) {alert(msg); },

You returned a simple string, not a complex type, so you haven't got any property like "d".

answered Jan 10, 2014 at 9:35

speti43

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1 Comment

speti43 Over a year ago

Have you debugged? How does msg object look like in chrome or firebug debugger? Is it null, or has it got any member? If it returns in success callback, there is no problem with c# code and ajax call. Problem is in callback.

Manoj Mevada · Accepted Answer · 2014-01-10 13:33:35Z

0

Please try below code: it is working at my end.

 var vid = 10;
        $.ajax({
            type: "POST",
            url: "/Home.aspx/UpdateSelectionStatus",
            data: "{id_ver:'" + + vid + "'}",
            contentType: "application/json; charset=utf-8",
            dataType: "json",
            success: function (data) {
                alert(data.d);
            }
        });

answered Jan 10, 2014 at 13:33

community wiki

Manoj Mevada

Comments

Suman Banerjee · Accepted Answer · 2014-01-31 09:50:26Z

0

success: function( msg ){ 
    alert( msg.d.toString());  
}

answered Jan 31, 2014 at 9:50

community wiki

Suman Banerjee

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