SOURCE

if (typeof (Crm) == "undefined")
{
    Crm = { __namespace: true };
}
if (typeof (Crm.contact) == "undefined")
{
    Crm.contact = { __namespace: true };
}
/*
   *Module ID：无
   *Author：刘赞想
   *Create Date：2018-12-3
   *Version:
   *Depiction：联系人FormEvents事件
*/
//表单的类型  
var CRM_FORM_TYPE_CREATE = 1;
var CRM_FORM_TYPE_UPDATE = 2;
var CRM_FORM_TYPE_READONLY = 3;
var CRM_FORM_TYPE_DISABLED = 4;
var CRM_FORM_TYPE_QUICKCREATE = 5;
var CRM_FORM_TYPE_BULKEDIT = 6;
Crm.contact.FormEvents = {
    _FormLoad: function ()
    {
        Xrm.Page.getControl("new_relationdescribe")
            .addPreSearch(Crm.contact.FormEvents._new_relationdescribe_fetchXml);
        Xrm.Page.getAttribute("parentcustomerid").addOnChange(this._parentcustomerid_OnChange);
    },
    _parentcustomerid_OnChange: function ()
    {
        Xrm.Page.getAttribute("new_relationdescribe").setValue(null);
        Xrm.Page.getControl("new_relationdescribe")
            .addPreSearch(Crm.contact.FormEvents._new_relationdescribe_fetchXml);
    },
    _new_relationdescribe_fetchXml: function ()
    {
        debugger;
        var fetchXml = "<filter type='and'>";
        var parentcustomeridObj = Xrm.Page.getAttribute("parentcustomerid");
        //var orgorgcustomerObj = Xrm.Page.getAttribute("new_organizationaccountid");
        if (parentcustomeridObj != "undefined" && parentcustomeridObj != null)
        {
            //alert("个人")
            fetchXml += "<condition attribute='new_applicablecustomertype' operator='eq' value='5' /></filter>";
            //var accountid = parentcustomeridObj.getValue()[0].id.replace("}", "").replace("{", "");
            //var accountEntity = Crm.contact.FormEvents._GetAccountInfo(accountid);
            //if (accountEntity != null)
            //{
                //fetchXml += "<condition attribute='new_applicablecustomertype' operator='eq' value='" + accountEntity["new_customertype"] + "' /></filter>";
            //} else
            //{
                //fetchXml += "<condition attribute='new_applicablecustomertype' operator='eq' value='' /></filter>";
            //}
        } else
        {
            //alert("机构");
            fetchXml += "<condition attribute='new_applicablecustomertype' operator='eq' value='10' /></filter>";
        }
        Xrm.Page.getControl("new_relationdescribe").addCustomFilter(fetchXml); 
    },
    _GetAccountInfo: function (accountid)
    {
        var results;
        var req = new XMLHttpRequest();
        req.open("GET", Xrm.Page.context.getClientUrl() + "/api/data/v8.0/accounts(" + accountid + ")?$select=new_customertype", false);
        req.setRequestHeader("OData-MaxVersion", "4.0");
        req.setRequestHeader("OData-Version", "4.0");
        req.setRequestHeader("Accept", "application/json");
        req.setRequestHeader("Content-Type", "application/json; charset=utf-8");
        req.setRequestHeader("Prefer", "odata.include-annotations=\"OData.Community.Display.V1.FormattedValue\"");
        req.onreadystatechange = function ()
        {
            if (this.readyState === 4)
            {
                req.onreadystatechange = null;
                if (this.status === 200)
                {
                    results = JSON.parse(this.response);
                }
                else
                {
                    alert(this.statusText);
                }
            }
        };
        req.send();
        return results;
    }
}