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 9038

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 4899

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,

2384

what are the differences b/w structure and class?

10 8597

Y go for Interface? What is use of interface?

3 5384

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

HCL,

2 7317

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

9 11660

Can two catch blocks be executed?

13 16105

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

6 10955

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 4831

what are wrapper classes?

1 4800

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 2723

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 4057

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

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

11 37810

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

5 12661

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Un-Answered Questions { C Sharp }

How do you create partial methods?

543

How do I unload an application domain?

510

Is null or empty in c#?

533

Is .net and c# the same?

546

Explain about ODP.net

795

What is meant by collections in c#?

437

can multiple catch blocks be executed for a single try statement?

518

What is Private Constructor? and it’s use? Can you create instance of a class which has Private Constructor?

539

Do while loops yes or no c#?

515

What is the difference between string and stringbuilder in c#?

463

What are classes in c#?

571

What is Implementation inheritance

504

How to implement a singleton design pattern in c#?

465

You are designing a user control. You created new property called backgroundimage which is of type image. You wanted to disable storing this property in the user’s form. How to achieve this?

514

What is for loop in c#?

493

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