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ASP .NET Interview Questions and Answers

  Difficulty Level: AllBeginnerIntermediateExpert

Ques 1. Describe the role of inetinfo.exe, aspnet_isapi.dll andaspnet_wp.exe in the page loading process.

Ques 2. What’s the difference between Response.Write() andResponse.Output.Write()?

Ques 3. What methods are fired during the page load?

Ques 4. When during the page processing cycle is ViewState available?

Ques 5. What namespace does the Web page belong in the .NET Framework class hierarchy?

Ques 6. Where do you store the information about the user’s locale?

Ques 7. What’s the difference between Codebehind="MyCode.aspx.cs" andSrc="MyCode.aspx.cs"?

Ques 8. What’s a bubbled event?

Ques 9. Suppose you want a certain ASP.NET function executed on MouseOver for a certain button.Where do you add an event handler?

Ques 10. What data types do the RangeValidator control support?

Ques 11. Explain the differences between Server-side and Client-side code?

Ques 12. What type of code (server or client) is found in a Code-Behind class?

Ques 13. Should user input data validation occur server-side or client-side?Why?

Ques 14. What is the difference between Server.Transfer and Response.Redirect?Why would I choose one over the other?

Ques 15. Can you explain the difference between an ADO.NET Dataset and an ADO Recordset?

Ques 16. What is the Global.asax used for?

Ques 17. What are the Application_Start and Session_Start subroutines used for?

Ques 18. Can you explain what inheritance is and an example of when you might use it?

Ques 19. Whats an assembly?

Ques 20. Describe the difference between inline and code behind.

Ques 21. Explain what a diffgram is, and a good use for one?

Ques 22. Whats MSIL, and why should my developers need an appreciation of it if at all?

Ques 23. Which method do you invoke on the DataAdapter control to load your generated dataset with data?

Ques 24. Can you edit data in the Repeater control?

Ques 25. Which template must you provide, in order to display data in a Repeater control?

Ques 26. How can you provide an alternating color scheme in a Repeater control?

Ques 27. What property must you set, and what method must you call in your code, in order to bind the data from a data source to the Repeater control?

Ques 28. What base class do all Web Forms inherit from?

Ques 29. Name two properties common in every validation control?

Ques 30. Which property on a Combo Box do you set with a column name, prior to setting the DataSource, to display data in the combo box?

Ques 31. Which control would you use if you needed to make sure the values in two different controls matched?