mvc4中 @Url.Action 如何读取javascript变量的值

js中
 function  Search()
{
    var  businessDate = GetSelectedBusinessDate( "#businessYear" ,  "#businessMonth" );
    var  ul= '  @Url.Action("Query", "FileImport", new { BusinessDate = businessDate })'
    $( '#dg' ).datagrid({ url: url });
}
businessDate 的值需要从GetSelectedBusinessDate得来的，但上面的代码，好像执行不了，提示： 当前上下文中不存在名称“businessDate”

解决方案
function Search()
 {                var businessDate = GetSelectedBusinessDate("#businessYear", "#businessMonth");                var url =' @Url.Action("Query", "FileImport")'+“? BusinessDate=”+businessDate ;               $('#dg').datagrid({ url: url });    }

<iframe src="@ Html.Raw(Url.Action("Edit","Home",new { @id=13, @name="lizikang"}))"></iframe>、
<iframe src="@ Html.Raw(Url.Action("Edit","Home",new {id=13,name="lizikang"}))"></iframe>


假设你的url为 ABC/efg?AA=bb&cc=dd&&eefff=aaa" 你可以这样写 Url.Action("eft","ABC") + ?AA=bb&cc=dd&&eefff=aaa" 如果你一定要用官方的 可以这样写

public  RouteValueDictionary ParseQueryStringToRouteValues( string  queryString)
        {
            var parsed = HttpUtility.ParseQueryString(queryString);
            Dictionary< string ,  object > querystringDic = parsed.AllKeys
                .ToDictionary(k => k, k => ( object )parsed[k]);
            return  new  RouteValueDictionary(querystringDic);
        }
var url = Url.Action( "eft" , "ABC" ,ParseQueryStringToRouteValues( "AA=bb&cc=dd&&eefff=aaa"
)) ;
用 new  {} 形式好像不行,

至少用
return  RedirectToAction( "CouponGrant" , ParseQueryStringToRouteValues( "Couponid="  + cg.CouponId));
取不到参数