Explain covariance and contra-variance in .net framework 4.0. Give an example for each.


No Answer is Posted For this Question
Be the First to Post Answer

Post New Answer

More Dot Net Framework Interview Questions

Where is the new functionality in the .net framework 3.0 (such as wcf, wf, wpf, and cardspace) installed to? Is that different from where the .net framework 2.0 is installed to?

0 Answers  


what is entity graph in entity framework?

0 Answers   Microsoft,


how do you truncate a table using entity data model?

0 Answers   Microsoft,


Can you explain the page life cycle of mvc?

0 Answers  


I have a GridView on web form, and a column in a grid is a linkbutton to open popup..., my problem is when i click on link button in a gridview popup opens as well works fine. but when i click on link button once again my popup window doesnt open. Can any one help please...

2 Answers  


What type of filter does outputcacheattribute class represents?

0 Answers  


Which .net framework is installed?

0 Answers  


What is .net framwork?

0 Answers  


Explain tempdata in mvc?

0 Answers  


What’s the advantage of using System.Text.StringBuilder over System.String?

4 Answers   IBM,


What is the difference between viewbag and viewdata in mvc?

0 Answers  


about triggers?

6 Answers   CSC,


Categories