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");