public static string BuildUrlFromExpression <TController>(RequestContext context, RouteCollection routeCollection, Expression <Action <TController> > action) where TController : Controller
{
var routeInfo = ExpressionHelper.GetRouteInfoFromExpression(routeCollection, action);
VirtualPathData vpd = routeCollection.GetVirtualPathForArea(context, routeInfo.Key, routeInfo.Value);
return((vpd == null) ? null : vpd.VirtualPath);
}
public static RedirectToRouteResult RedirectToAction <TController>(this Controller controller, Expression <Action <TController> > action) where TController : Controller
{
if (controller == null)
{
throw new ArgumentNullException("controller");
}
var routeInfo = ExpressionHelper.GetRouteInfoFromExpression(RouteTable.Routes, action);
return(new RedirectToRouteResult(routeInfo.Key, routeInfo.Value));
}
public static MvcHtmlString ActionLink <TController>(this HtmlHelper helper, Expression <Action <TController> > action, string linkText, object htmlAttributes) where TController : Controller
{
var routeInfo = ExpressionHelper.GetRouteInfoFromExpression(helper.RouteCollection, action);
return(helper.RouteLink(linkText, routeInfo.Key, routeInfo.Value, HtmlHelper.AnonymousObjectToHtmlAttributes(htmlAttributes)));
}