consuming rest services using javascript

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Hi...

i am very new to javascript. how to call restful web services using javascript.

C#

function CreateXMLHttpRequest() {
                   if (typeof XMLHttpRequest != "undefined") {
                       //All modern browsers (IE7+, Firefox, Chrome, Safari, and Opera) uses XMLHttpRequest object
                       return new XMLHttpRequest();
                   }
                   else if (typeof ActiveXObject != "undefined") {
                       //Internet Explorer (IE5 and IE6) uses an ActiveX Object
                       return new ActiveXObject("Microsoft.XMLHTTP");
                   }
                   else {
                       throw new Error("XMLHttpRequestnot supported");
                   }
               }
               function CallService() {

                   var objXMLHttpRequest = CreateXMLHttpRequest();

                   objXMLHttpRequest.onreadystatechange = function () {
                       if (objXMLHttpRequest.readyState == 4)
                          objXMLHttpRequest.responseText;

                   }
                   objXMLHttpRequest.open("POST", "http://localhost:2546/abc.svc/json/GetXml", true);
                   objXMLHttpRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
                   //  objXMLHttpRequest.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
                   var packet = '<?xml version="1.0"encoding="utf-8"?><CompanyRequest xmlns="http://schemas.datacontract.org/2004/07/abc.DomainModel" xmlns:i="http://www.w3.org/2001/XMLSchema-instance"><Company>company1</Company></CompanyRequest>';

                   objXMLHttpRequest.send(packet);
               }

i need to send xml request and response should also be xml. i am getting null as response. correct if i am wrong..

thanks in advance...

Posted 16-Nov-12 22:16pm

07405

Updated 20-Nov-12 0:49am

v9

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2 solutions

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

deepak.m.shrma · Answer 1 · 2012-11-18T20:35:00

This is sample how to use ajax to get xml data source.

JavaScript

$.ajax({
	type : "GET",
	url : "sites1.xml",//urlOftheXml 
	dataType : "xml",
	success : function(xml) {
	$(xml).find('func').each(function() {
	var number1 = $(this).find('number1').text();
	$(this).find('case').each(function() {
		if ($(this).find('reserved').text().length == 0) {
		var data = $(this).find('data').text();
		var bitoffs = $(this).find('bitoffs').text();
		var temp = parseInt(str.substr(bitoffs, bitsize), 2);
		alert("number :" + number1 + "data :" + data + temp);
		}
	   });
	});
    }
});

Niranjan Kumar Mahendralingam · Answer 2 · 2013-01-18T17:58:00

Solution 2

If you are consuming the REST from a different site, then you need to used either JSONP or easyXDM to consume it with Javascript.

http://easyxdm.net/wp/

http://easyxdm.net/wp/2010/03/17/cross-domain-ajax/[^]

Posted 18-Jan-13 17:58pm

Niranjan Kumar Mahendralingam

consuming rest services using javascript

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consuming rest services using javascript

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