How to call webmethod using JSON

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Hello Friends i have start learning JSON.

I create a WEB SERVICE(asmx) in ASP.NET i used JSON in it.
I want to call webmethods with jQuery, JavaScript or Ajax.

Now i want to call my Method taking 2 or more parameter.

so i don't know how to use this i m beginner of Ajax,jQuery.

Posted 21-Jun-11 10:15am

Tejas Vaishnav

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3 solutions

Solution 1

Take a look at this, perfect fit for what you are asking for.

How to call a Web Service from client-side JavaScript using ASP.NET AJAX[^]

Also, you can refer to Client-Side Web Service Calls with AJAX Extensions[^]

Posted 21-Jun-11 10:27am

Vivek Krishnamurthy

Solution 2

jQuery's Ajax methods return a superset of the XMLHTTPRequest object. This jQuery XHR object, or "jqXHR," returned by $.getJSON() implements the Promise interface, giving it all the properties, methods, and behavior of a Promise.

Please follow the link, hope it will help you.

http://encosia.com/using-jquery-to-consume-aspnet-json-web-services/[^]

http://vincenthomedev.wordpress.com/2009/02/10/consuming-an-aspnet-web-service-or-page-method-using-jquery/[^]

Posted 21-Jun-11 10:35am

Monjurul Habib

Comments

Shahriar Iqbal Chowdhury/Galib 21-Jun-11 16:44pm

nice

Monjurul Habib 21-Jun-11 17:36pm

thank you.

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Shahriar Iqbal Chowdhury/Galib · Accepted Answer · 2011-06-21T10:43:00

hi,
You can achive this by Jquery ajax. Lets say you have a web method Report1 that takes 2 parameter fromDate and toDate.

C#

[WebMethod]
public static String Report1(String fromDate,String toDate)
{
  //function body
}

now you can call the above method by jquery ajax

$.ajax({
 type: "POST",
 url: "default.aspx/Report1",
 data: "{fromDate:'1/1/2011',toDate:'6/30/2011'}"
 contentType: "application/json; charset=utf-8",
 dataType: "json",
 beforeSend: function () { $("#wait").show(); },
 complete: function () { $("#wait").hide(); },
 success: function (msg) {
	//msg.d contains the returned JSON
 },
 error: function () { }
});

check here[^] for code samples