C Sharp Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

C Sharp Interview Questions

Questions Answers Views Company eMail

can we assign null value to value type in c#?

Idea, Microsoft, Wipro,

12 52468

How can you prevent classes to be inherited?

Microsoft, Satyam,

10 13858

What is difference between value and reference types?

Accenture,

5 9377

Is array reference type / value type?

Accenture,

15 20945

Is string reference type / value type?

Accenture, Microsoft, Siemens,

56 79858

In a C# class we have a SortedList member m_addinProjects we want to provide an iterator to allow the consumer of this class access to the items in the collection. Please provide an iterator method for the AnalyzeAddinsDLL class below and an example of how it would be used. namespace AnalyzeAddinsDLL { public class AllAddInProjects { private SortedList m_addinProjects; public AllAddInProjects() { m_addinProjects = new SortedList(); } } }

ABC, WinsIndia,

2261

Where test director stores its data ? Database ,Local file etc...? I need to read this data from Visual Studio 2005 c# client. Regards

1874

What is the Difference between read only and constant variables?

SilverKey,

14 30699

Can we have a non static member function in a base class to be override in derived with static modifier?

Wipro,

7 11856

If a class is having 4 variables namely type double,type integer,type string,type decimal. If we create an instance of that class those variables which gets into this instance are value types or reference types?

Kanbay,

4 8188

what are value types and reference types? where they are stored?

Kanbay,

5 10919

Which type of variables are under the control of garbage collector?

Kanbay,

4 7542

what are delegates? How you used then in your project?

Hawk Eye, IndiaTimes, Kanbay,

10 17598

what is application domain?

Kanbay,

4 13971

What are STA And MTA in threading?

Kanbay,

4 15079

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Un-Answered Questions { C Sharp }

Explain copy constructor?

1152

Is there throws keyword in c#?

908

Is c++ or c# better?

963

What are different types of Delegates in C#?

1020

Can abstract class have constructor?

874

Write a program in c# to find the angle between the hours and minutes in a clock?

916

What is the difference between hashtable and dictionary in c#?

930

Can you inherit multiple abstract classes in c#?

936

How big is an int in c#?

986

What does a constructor do c#?

927

What is typeof c#?

958

What is difference between interface and abstraction?

904

What are some of the commonly used commands in sqlcommand?

909

What is ioc containers c#?

885

Describe two uses of the “using” statement during the operation of c#?

962

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