| ViewData is a dictionary object that is derived from ViewDataDictionary class. |
ViewBag is a dynamic property that takes advantage of the new dynamic features in C# 4.0. |
TempData is a dictionary object that is derived from TempDataDictionary class and stored in short lives session. |
| It’s required typecasting for getting data and check for null values to avoid error. |
It doesn’t required typecasting for getting data. |
It’s required typecasting for getting data and check for null values to avoid error. |
| ViewData is Faster than ViewBag |
ViewBag is slower than ViewData |
NA |
| ViewData is introduced in MVC 1.0 and available in MVC 1.0 and above |
ViewBag is introduced in MVC 3.0 and available in MVC 3.0 and above |
TempData is also introduced in MVC1.0 and available in MVC 1.0 and above |
| ViewData also works with .net framework 3.5 and above |
ViewBag only works with .net framework 4.0 and above |
TempData also works with .net framework 3.5 and above |
| Type Conversion code is required while enumerating |
In depth, ViewBag is used dynamic, so there is no need to type conversion while enumerating. |
Type Conversion code is required while enumerating |
