What is RouteData in MVC?

RouteData is a property of base Controller class, so RouteData can be accessed in any controller. RouteData contains route information of a current request. You can get the controller, action or parameter information using RouteData as shown below.

RouteData in MVC

public class StudentController : Controller
{
    public ActionResult Index(int? id, string name, int? standardId)
    {
        var controller = RouteData.Values["controller"];
        var action = RouteData.Values["action"];
            
        id = (int)RouteData.Values["id"];
        name = (string)RouteData.Values["name"];
        standrdId = (int)RouteData.Values["standardId"];

        var area = RouteData.DataTokens["areaname"];


        return View();
    }
}

Please note that you need to cast into appropriate data type or use implicitly typed variable- var.