ASP.NET配合jQuery解决跨域调用的问题

<system.webServer>
 <modules runAllManagedModulesForAllRequests="true"></modules>
 <httpProtocol>
 <customHeaders>
 <add name="Access-Control-Allow-Origin" value="*"/>
 <add name="Access-Control-Allow-Headers" value="Content-Type"/>
 <add name="Access-Control-Allow-Methods" value="GET,POST,PUT,DELETE"/>
 </customHeaders>
 </httpProtocol>
</system.webServer>

var param = {};
var msg = "dafdasfdsaf";
param["userName"] = "1";
param["passWord"] = "1";
param["code"] = "3323";
$.ajax({
 url: "http://www.ts-wms.com/UserAjax/Login?t=" + Math.random(),
 data: param,
 type: "post",
 async:false,
 success: function (result) {
 alert(result);
 msg = result;
 }
});
alert(msg+"ddddddddddFFFFFFFFFFFFFFFF");