Toughest C# Interview Questions

Advanced C# Interview Questions expected for senior professionals in companies like Wipro, Infosys, TCS, IBM.

1. How do you read the eventlog of windows service?
2. In C#: how do you subtract two dates?
3. What is the easiest way to serialize and deserialize to XML?
4. How can I do Databinding in c#?
5. How can you read the filenames inside the directory to an array?
6. How to define a Method with no return in C#?
7. How do you avoid a race condition when using Dispatcher.Run()?
8. How to define a property whose type in database is bit?
9. How can you check if a printer is installed and ready using C#?
10. How do you generate a line chart from an asp.net WebService?
11. How to define a variable that can be used everywhere?
12. How do you create a banner panel in C#?
13. How can you avoid an infinite loop when overriding a virtual property?
14. How do you Read the value of an attribute in a Method
15. What is an "endpoint" in WCF?
16. How can you double buffer a Panel in C#?
17. How do you avoid the loader lock?
18. How to define two dependent generic interfaces?
19. Explain what is the equivalent datatype of SQL Server's Numeric in C#
20. How do you reconcile IDisposable and IoC?
21. How do you generate One time passwords (OTP / HOTP)?
22. Explain what is an abstract type in C#?
23. How do you redirect to a website using MVC?
24. Explain how can you delete from registry - in C#?
25. How do you handle non existing nodes in Linq / XML?
26. What is the equivalent of JPA in .NET?
27. How do you make custom controls in C#?
28. How do you bind a field to a control in WinForms?
29. How do you redirect to another page with ASP.NET?

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