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

C Sharp Interview Questions

Questions Answers Views Company eMail

What is the difference between int.Parse() and Convert.toInt32().

2 10378

How to authenticate web service? When you enter the web service url in browser it should ask username and password. After entering the un&pwd we have to show its methods and service description(wsdl).

3 6118

how to Create a datagridview control with check box column with 8rows in it, the maximum number of check boxes checked should be 3, when user checks the 4th corresponding message should be displayed and check box should be checked. User can uncheck the checked boxes Note: read-only property should not be used

HCL, NIC,

2888

what are the differences b/w structure and class?

10 11574

Y go for Interface? What is use of interface?

3 6631

C# Code for How to set readonly property to Id(database) value?

HCL,

2 8394

What is the difference between System.String and System.StringBuilder classes?

9 14727

Can two catch blocks be executed?

13 19722

If we write a goto or a return statement in try and catch block will the finally block execute?

6 12961

Hello Friends..am Mohammed riyash..final year BCA in Jamal Mohamed College 2009. Trichy. My doubt is while connecting SQL2005 Built in Database withing the Visual Studio 2005 Framework.. I am getting the error.. That " An Error occurred and it may be due to , under the default settings of the Server, the connection cannot be established.." But the code works in MS Access for me.. Both in VB.Net and C#.Net am getting the same error.. Any genius please Message me to 9994558822 or mail me.. riyash.ips@gmail.com

3 5963

what are wrapper classes?

1 6133

Trace the O/p for a program on inheritance and Polymorphism. 3 classes A,B,C A with two methods public virtual SomeMethodA public virtual SomemoreMethodA B:A overide virtual SomeMethodA C:B new Method SomeMethodA override SomeMoreMethodA main method { b new instance of B b.SomeMethodA b.SomeMoreMethodA b1 new instance of C b1.SomeMethodA b1.SomeMoreMethodA }

1 3502

Trace the O/p for a program on inheritance and Polymorphism. 3 classes A,B,C A with two methods public virtual SomeMethodA public virtual SomemoreMethodA B:A overide SomeMethodA C:B new Method SomeMethodA override SomeMoreMethodA main method { b new instance of B b.SomeMethodA b.SomeMoreMethodA b1 new instance of C b1.SomeMethodA b1.SomeMoreMethodA }

Proteans,

2 4964

why C++ Partial Object Oriented Programming Language and C# and Java Fully Object Oriented Language

3i Infotech, Alexa, Assyst, Naresh i Technologies, TCS,

11 41401

How to print labels in windows form in C# .net

5 14463

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Un-Answered Questions { C Sharp }

What are the different states of a thread?

932

What is difference between mutable and immutable in c#?

916

What is Fragmentation and its Types?

1009

Give an example of a directcast.

943

What is a float?

917

What is autopostback in c#?

960

What is activator c#?

911

What does xpath return?

1015

Is array passed by reference in c#?

969

Why would you use a class property in c#?

922

What is using keyword?

920

Why delegates are required?

977

What is dynamic dispatch?

977

What happens if you add duplicate elements to a set?

891

What are annotations in c#?

944

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