asp.net mvc 3 - Master page to Layout in MVC3 -

i have user master page of mvc2 application in vs 2008 in mvc3 2010. cananyone me on this

you cannot have webforms master page (.master file) razor view (.cshtml file). if want use webforms master page need use webforms view (.aspx file). put site.master file in ~/views/shared folder of asp.net mvc 3 application , add webforms view implementing (for example ~/views/home/index.aspx).