crm2011 使用SOAP 查询单个记录 Retrieve

function getServiceUrl() {     var serverUrl = Xrm.Page.context.getServerUrl();     if (serverUrl.match(/\/$/)) {         serverUrl = serverUrl.substring(0, serverUrl.length - 1);     }     return serverUrl + "/XRMServices/2011/Organization.svc/web"; }

function Retrieve(entityName,entityId) {       var request = "<s:Envelope xmlns:s='http://schemas.xmlsoap.org/soap/envelope/'>"       request += "<s:Body>"       request += "<Retrieve xmlns='http://schemas.microsoft.com/xrm/2011/Contracts/Services' xmlns:i='http://www.w3.org/2001/XMLSchema-instance'>"       request += "<entityName>'"+ entityName +"'</entityName>"       request += "<id>'"+ entityId +"'</id>"       request += "<columnSet xmlns:a='http://schemas.microsoft.com/xrm/2011/Contracts'>"       request += "<a:AllColumns>true</a:AllColumns>"       request += "<a:Columns xmlns:b='http://schemas.microsoft.com/2003/10/Serialization/Arrays' />"       request += "</columnSet>"       request += "</Retrieve>"       request += "</s:Body>"       request += "</s:Envelope>";

var xmlAjax = new XMLHttpRequest();       xmlAjax.open("POST", getServiceUrl(), true);       xmlAjax.setRequestHeader("Accept", "application/xml, text/xml, */*");       xmlAjax.setRequestHeader("Content-Type", "text/xml; charset=utf-8");       xmlAjax.setRequestHeader("SOAPAction", "http://schemas.microsoft.com/xrm/2011/Contracts/Services/IOrganizationService/Retrieve");       xmlAjax.onreadystatechange = function() {           execresult(xmlAjax);       };       xmlAjax.send(request); }

function execresult(ajax) {     if (ajax.readyState == 4) {         if (ajax.status == 200) {             alert(ajax.responseXML);         }     } }