ASP.NET Interview Questions related to Master Pages, ASP.Net Page Life Cycle, Ajax, Jquery, Json, Web Service

Interview Questions

It's harder to find appropriate interview questions than being answered on internet. So I am writing my most recently asked questions in an ASP.Net Interview. If you need to get the answer of any of the following questions write me in comments.

1. How to change master page of a content page dynamically?
   
2. Why to change Masterpage of a page in Page_PreInit() function ?
   
3. What is the maximum limit of parameters we can pass to a stored procedure ?
   
4. How can we change current theme of a page at Page_PreInit() from master page?
   (in fact Page_PreInit() is not possible from master page. So the question is asked just to make confusion.)
   
5. What is DOM and whats its purpose ?
   
6. In normal cases, if an Insert button is double clicked by a user what will happen? Will it make insertion twice or a normal insertion will happen?
   
7. AJAX stands for?
   
8. What are multicast delegates ?
   
9. What is a window service? How to register a window service? How to uninstall a window service ?
   
10. I have a check box and a textbox and I have a asp.net validator for that textbox but i want it to be only validated only when checkbox is checked. How can I do that?
    
11. What are transformation services?
    
12. What is a web service ?
    
13. Is web service plateform independent?
    
14. Describe ASP.NET Page Life Cycle.
    
15. What are design patterns ?
    
16. What is singleton pattern ?
    
17. Define JQUERY
    
18. What is JSON?
    
19. What is LINQ ?
    
20. What is ASP.NET UpdatePanel?
    

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