CRM 2011 - Opportunity Note Tabı Gizleme-(ODataQuery)

Opportunity altına eklenen bir not (annotation) varsa notes tabını görünür yapan ,eğer opportunity e ait daha önceden girilen bir not yoksa bu tabı gizleyen script aşagıdadır.

Burada sorgumuzu odataquery ile olusturduk.
ODataRetrieveMultipleAjax : Sorgu larımızı calıstıracagımız metot.

/*Gökhan Mentese-gkhnmnts@gmail.com*/
function NoteTabVisibleInOpportunity() {
    try {
        var entityid = GetEntityId();
        var formType = Xrm.Page.ui.getFormType();
        if (formType == 1) {
            Xrm.Page.ui.tabs.get("notetabopportunity").setVisible(false);
        }
        else {
            if (entityid != null) {
                var query = "AnnotationSet?$filter=ObjectId/Id eq guid'" + ConverttoStringFromGuid(entityid) + "'";
                var noteEntity = ODataRetrieveMultipleAjax(query);
                if (noteEntity != null && noteEntity.results != null && noteEntity.results.length != null && noteEntity.results.length != 0) {
                    Xrm.Page.ui.tabs.get("notetabopportunity").setVisible(true);
                }
                else {
                    Xrm.Page.ui.tabs.get("notetabopportunity").setVisible(false);
                }
            }
        }
    } catch (e) {
        alert("Function NoteTabVisibleInOpportunity() \n" +e.message);
    }
}

function ODataRetrieveMultipleAjax(oDataSelect) {
    var crmOrgSvc = GetCrmSvc();
    var result = null;

    oDataSelect = crmOrgSvc + oDataSelect;
    jQuery.support.cors = true;

    $.ajax({
        type: "GET",
        contentType: "application/json; charset=utf-8",
        datatype: "json",
        url: oDataSelect,
        async: false,
        beforeSend: function (XMLHttpRequest) {
            //Specifying this header ensures that the results will be returned as JSON.
            XMLHttpRequest.setRequestHeader("Accept", "application/json");
        },
        success: function (data, textStatus, XmlHttpRequest) {
            if (data != null && data.d != null) {
                result = data.d;
            }
        },
        error: function (XMLHttpRequest, textStatus, errorThrown) {
            alert("Status: " + textStatus + "; ErrorThrown: " + errorThrown, "Error Function:" + "ODataRetrieveMultipleAjax");
        }
    });
    return result;
}

function GetCrmSvc() {
    //return GetClientUrl() + "/xrmservices/2011/OrganizationData.svc/";
    return Xrm.Page.context.prependOrgName("/xrmservices/2011/OrganizationData.svc/");
}
function GetEntityId() {
    return Xrm.Page.data.entity.getId();
}