Home > DeveloperSection > Interviews > What is difference between tempdata, viewdata, and viewbag?

Posted on    February-04-2016 10:28 PM

 ASP.Net C#  ASP.Net  ASP.NET MVC 
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Anupam Mishra

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Posted on    February-04-2016 11:28 PM

Temp data - Helps to maintain data when we move from one controller to another controller or from one action to another action. In other words when we redirect,  tempdata helps to maintain data between those redirects. It internally uses session variables.
View data - Helps to maintain data when we move from controller to view.
View Bag - It’s a dynamic wrapper around view data. When we use Viewbag type, casting is not required. It uses the dynamic keyword internally.
Session variables - By using session variables we can maintain data from any entity to any entity.
Hidden fields and HTML controls - Helps to maintain data from UI to controller only. So we can send data from HTML controls or hidden fields to the controller using POST or GET HTTP methods.

Modified On Mar-17-2016 01:47:39 AM

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