public static string AddRouteValue(this UrlHelper Url, RouteData routeData, string key, object value)
{
//var Values = new RouteValueDictionary(routeData.Values);
//Values[key] = value;
//foreach (string item in Url.RequestContext.HttpContext.Request.QueryString)
//{
// if (item == key)
// {
// continue;
// }
// Values[item] = Url.RequestContext.HttpContext.Request.QueryString[item];
//}
var Values = routeData.AddRouteValue(key, value);
return(Url.Action(null, null, Values));
}
