.Net Face to Face interview questions for 4+ Years of experience along with the skills C# .Net, OOPS Concept, J-Query, ASP.Net, SQL Server, Java Script, and WCF

1. What is Difference between Abstract Class and Interface?
2. What is Static Class?
3. What is Sealed Class?
4. I want same method in child class how to implement?
5. How many types of joins are there in SQL?
6. What is Left outer join, right outer join?
7. What are delegates?
8. By which keyword we will use to inherit a method? And which key word we use in child class tell two methods?
9. Can we create instance of abstract class?
10. What are types of Binding Available in WCF?
11. Why we use basic http bindning?
12. How many types of Contracts are there in wcf?
13. Why to go for wcf service?
14. How to hide a method in wcf service from client?
15. What is data Contract?
16. How to handle exceptions in wcf?
17. Why to use fault Contract?
18. Which type of messages can we send through fault contract??
19. Why we use group by clause?
20. What is difference between function and stored procedure?
21. Have you worked on  Linq to Sql? What is linq to sql?
22. How to bind data to Grid View?
23. Which type of functionality you have worked in Grid View?
24. What is need data source?
25. Have you worked grid inside a grid?
26. Explain Security in WCF Services?
27. Do you Know Default Static Classes available in .Net?
28. How many validation Controls are there?
29. All validation controls run in server side or client side?
30. What is View State?
31. How can we handle exceptions in .net?
32. How to handle exceptions in stored procedures?
33. Can we have multiple catch blocks in one try?
34. What is the order of execution of catch block?