Calling External Webservice from MS CRM 2011 Asynchronously – Javascript

24 Aug 2011 10 Comments

by mahenderpal in MS CRM 2011

If you are looking for the code to call external webservice from MS CRM 2011, you can create a webresource in MS CRM 2011 and call use below code

function CallCustomWebService(FunctionName, ParameterNameList, ParameterValueList,ProxyURL)

{//FunctionName-Nameof the function to call

//ParameterNameList-Array of Parameter names in your proxy function

//ParameterValueList-Array of Parameter value

//ProxyURL-URL of your proxy

var CallingFunctionURL = “http://tempuri.org/” +FunctionName;

var xml = “<?xml version=’1.0′ encoding=’utf-8′?>” +

“<soap:Envelope xmlns:soap=’http://schemas.xmlsoap.org/soap/envelope/’”+

” xmlns:xsi=’http://www.w3.org/2001/XMLSchema-instance’” +

” xmlns:xsd=’http://www.w3.org/2001/XMLSchema’>”+

“<soap:Body>” +

“<” + FunctionName + ” xmlns=\’http://tempuri.org/\’>”;

for (i = 0; i< ParameterNameList.length; i++) {

xml = xml + “<” +ParameterNameList[i] + “>” + ParameterValueList[i] + “</” +ParameterNameList[i] + “>”;

}

xml = xml + “</” +FunctionName + “>”;

xml = xml +“</soap:Body></soap:Envelope>”;

xmlHttp = new ActiveXObject(“Msxml2.XMLHTTP”);

xmlHttp.open(“POST”,ProxyURL, true);

xmlHttp.setRequestHeader(“Content-Type”,“text/xml; charset=utf-8″);

xmlHttp.setRequestHeader(“Content-Length”,xml.length);

xmlHttp.setRequestHeader(“SOAPAction”,CallingFunctionURL);

xmlHttp.onreadystatechange =function() {

ParseResult(xmlhttp);

};

xmlHttp.send(xml);

}

 

function ParsetResult(XmlRequest)

{

if(XmlRequest.readyState == 4) {

if(XmlRequest.status == 200) {
alert(XmlRequest.responseXML.text);

//Fetch your result from response xml here

}

 

else {

alert(“Request Failed ”);

}

 

}

}

Enjoy !!!