C# Interview Questions

• Are private class-level variables inherited?

• Can multiple catch blocks be executed?

• Can you allow class to be inherited, but prevent the method from

• Can you change the value of a variable while debugging a C#

• Can you declare the override method static while the original method

• Can you have two files with the same file name in GAC?

• Can you inherit multiple interfaces?

• Can you override private virtual methods?

• Can you store multiple data types in System.Array?

• ctype(123.34,integer) - should it throw an error? Why or why not?

• Describe the accessibility modifier protected internal?

• Difference between a sub and a function.

• Difference between imperative and interrogative code.

• directcast(123.34,integer) - should it throw an error? Why or why

• Does C# support multiple inheritance?

• Explain manifest & metadata.

• How can you create a strong name for a .NET assembly?

• How can you debug failed assembly binds?

• How can you tell the application to look for assemblies at the

• How do you convert a value-type to a reference-type?

• How do you inherit from a class in C#?

• Is it possible to inline assembly or IL in C# code?

• What are advantages and disadvantages of Microsoft-provided data

• What do you know about .NET assemblies?

• What does the parameter Initial Catalog define inside Connection

• What happens in memory when you Box and Unbox a value-type?

• What is a multicast delegate?

• What is a pre-requisite for connection pooling?

• What is an interface class?

• What is the advantage of using System.Text.StringBuilder over

• What is the data provider name to connect to Access database?

• What is the difference between const and static read-only?

• What is the difference between System.String and System.StringBuilder

• What is the role of the DataReader class in ADO.NET connections?

• What is the smallest unit of execution in .NET?

• What is the top .NET class that everything is derived from?

• What namespaces are necessary to create a localized application?

• What’s a strong name?

• What’s the difference between private and shared a

• When should you call the garbage collector in .NET?

• Where are shared assemblies stored?

• Where’s global assembly cache located on the syste

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