Overview: In this video you can practically distinguish the ViewBag , ViewData and TempData .This question is very common in every interview so be prepared for this . It is notable if any redirection occurs then viewbag and viewdata value gets null but tempData value get preserved if and only if tempData.Keep() method is being used. SOCIAL : Like TechnoTips official Page : http://facebook.com/technotipstutorial Subscribe : http://youtube.com/user/aapkanigam Follow us on Twitter : @technotipsMVC VISIT OUR BLOG: http://technotipstutorial.blogspot.com INTRODUCTION : ViewData and ViewBag Used to pass data from controller to corresponding view. ViewData is a dictionary of objects that is derived from ViewDataDictionary class and is accessible using strings as keys. ViewBag is a dynamic container. ViewData requires typecasting for complex data type and check for null values to avoid error. ViewBag doesn’t require typecasting for complex data type. Ex : ViewBag.MyName=“Ashish” , ViewData[“MyName”]=“Ashish" TempData: TempData is also a dictionary object derived from TempDataDictionary class and stored in short lives session It helps to maintain data when you move from one controller to other controller or from one action to other action Ex : TempData[“MyName”]=“Ashish” TAGS : how to create a - website asp. net mvc asp.net mvc interview questions asp .net mvc tutorial asp. net mvc 4 asp.net mvc 5 tutorial asp net mvc developer asp net mvc continuous integration asp net mvc hosting model view controller jquery-ajax $ ajax jquery jquery ajax tutorial viewbag $controller $model razor view engine $how to get rich