Jishnu Thapa

 URL retrieve QueryExpression query = new QueryExpression("list"); //Name of the entity to be passed whose records need to be retrieved var nIsToNRelationshipName="cdi_emailsend_suppressed_list"; //schema name of N:N relationship query.ColumnSet = new ColumnSet(true); var link = query.AddLink(nIsToNRelationshipName, "listid", "listid"); //Method Signature: AddLink("N:N schema name to be passed", "Primary key ID schema name of entity record to be retrieved", "schema name of attribute in the N:N relationship") Guid emailSendID = new Guid("79121c07-220e-41ae-9710-96b880973e6c"); //sample ID of Email Send record for which we are retrieving related records link.LinkCriteria = new FilterExpression() { Conditions = { new ConditionExpression("cdi_emailsendid", ConditionOperator.Equal, emailSendID) // Filter condition to get related marketing lists of an Email Send record } };   EntityCollection collRecord

Hi, the following is the steps to set up web API for Portal   1.) Enable Web API for a particular Table that you want to access by creating a site setting   eg- 2.) specify which field you want to access by this site setting eg- 3.) create Table Permission for the table, set  Privileges, and set  Web Roles eg- 4.)Use the following code to access data  var deferredAjax = $ . Deferred ();     var ajaxOptions ;     shell . getTokenDeferred (). done ( function ( token ){         debugger ;         alert ( "pass" )       ajaxOptions = {         type: "GET" ,         url: "/_api/msdyn_functionallocations?$select=msdyn_name&$filter=_trbdn_customerid_value eq XXXXXXXX-xxxx-xxxx-xxxx-xxxxxxxxxxxx and statecode eq 0" ,         contentType: "application/json" ,         headers: { "__RequestVerificationToken" : token }       };       // ajaxOptions.headers["__RequestVerificationToken"] = token;         $ . ajax ( ajaxOptions ).