TCS C# Interview Questions for Senior .NET Developer

TCS C# Interview Questions for Senior .NET Developer.

Please use the comment section to answer the questions.

1. How to dynamically set variable value with C#?
2. What is System.Linq.Expressions in C# used for?
3. How do you access attributes when de-serializing XML,?
4. How do you control event firing in C#?
5. How do you handle upgrades of software you develop?
6. How to eliminate duplicate code?
7. What is the use of a static class?
8. How do you control how an object is hashed by a hashset?
9. How do you handle user preferences?
10. What is System.Void in C#? 
11. How do you emulate "friend" in C#?
12. Explain what is the use of calling base class's constructor if there is no overloading constructor available?
13. Using C#, how do you validate a html file?
14. Explain what is the difference between "var" and "object" in C#
15. How can you convert a byte array to a string in C#?
16. How can you have your method wait for all threads to finish?
17. How do you enter a special character as a password character in C#
18. What is the use of documented protected properties is in framework classes?
19. How do you convert a Char into a Keycode in .Net?
20. How do you have your WPF application to be running as a service in C#?
21. How to enumerate through IDictionary in C#?
22. Explain what is the "volatile" keyword used for?
23. What is the use of IClonable interface in C#.NET?
24. Explain what is the difference between | and || or & and && for comparison.
25. What is the use of Indexers in C#?
26. How do you convert a DataTable into a generic list in C#?

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