Question

i just strated with asp.net mvc. My doubt is in a controller we use

    public ActionResult Index()
    {
        return View();  

    }

so how a relevent view is returned for a particular controller.

Answer 1

Assuming a Home controller with an Index action here are the default search order locations:

ASP.NET MVC 2:

~/Views/Home/Index.aspx
~/Views/Home/Index.ascx
~/Views/Shared/Index.aspx
~/Views/Shared/Index.ascx

ASP.NET MVC 3:

~/Views/Home/Index.aspx
~/Views/Home/Index.ascx
~/Views/Shared/Index.aspx
~/Views/Shared/Index.ascx
~/Views/Home/Index.cshtml
~/Views/Home/Index.vbhtml
~/Views/Shared/Index.cshtml
~/Views/Shared/Index.vbhtml