IBM Dot Net Interview Questions

1. Difference between UNION and UNION ALL?
2. union will display only distinct
3. union all will display duplicates also
4. How do you deploy web application?
5. what is the difference between publishing the website and copying the files directly to the    deployment path?
6. What is the built-in stored procedure to link the user?
7. What are the events available in gridview?
8. What are the two events which are available for the editable grid view?
9. How do you bind the textbox inside a gridview?
10. What is windows authentication?Difference between basic and windows integrate authentication?
11. What is the default type session in asp.net?
12. How do you provide security in basic authentication?
13. Ans: Using SSL
14. Types of state management in ASP.NET?
15. client side
16. server side
17. What is the default session in asp.net? 
18. What are the controls have you used in AJAX?
19. update panel, update progress, watermark
20. In what case do you use update panel control?
21. To perfom async postback only on the part of a page
22. what are the types of triggers?