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

C Sharp Interview Questions

Questions Answers Views Company eMail

If i have 100 objects in my application are out of scope.when first time garbage collected how many objects memory reference are free?

ITC Infotech,

2 5376

What are the keywords used to pass parameters to the base class and how do I invoke other constructors.

3 5428

This is Kishore i am MCA graduate i have percentage less(52%) in my 10th still i completed .NET course any body tell me how to put fake experience with my BSC degree if you do not mind tell me some fake certificates giving consultencies names in Chennai,Bangalore

5 8219

i have a question which is quite simple but yet complicated for me my question is why do we use void, if it does not return anything to the compiler? if it is used for normal display it can also be done by what is called Console.Write() or Consol.WriteLine() and if i do not use void with my method then my compiler throws me an error. if i return a value say integer then i write public int fun() display of the result can also be done here then why is it so necessary to use void with a function and why so compiler throw us an error if v don't use void return type?

2 4459

What is GAC?

Cognizant,

1 5708

What is delegates & multicast delegate?

Cognizant,

2 8490

What is Interface? Explain with an example.

TCS,

8 19639

What is difference between Convert.ToString(variable) and variable.ToString()

Mascon,

4 9768

which datatype i have to use we i need dynamic size.for eg. empname .in first row it have only five chars.but next row it have 100 chars.

3 5337

if i used stored procedure for retrieving the data from sql server.in front end i had used data reader.when 100 records are there in table.when it has displayed ten records in frontend database has been collapsed.then where should our data available...

CybAge, Wipro,

2 6755

what is dynamic sql

TCS, Wipro,

2 6209

What is piller of OOPS in C#.

10 17658

Why multiple Inheritence is not used in C#?

Symphony,

8 11224

Can we define a variable with the access modifier private in an interface?

IBM,

7 13105

can we declare a variable by name "this" in a class? Please explain?

IBM,

3 6678

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Un-Answered Questions { C Sharp }

What is difference between array and arraylist c#?

968

What is desktop application testing?

874

What is ienumerator c#?

821

What is the difference between Singleton design pattern and Factory design pattern?

913

What is icollection in c#?

872

What are the advantages of clr procedure over t-sql procedure?

956

Explain the difference between passing parameters by value and passing parameters by reference with an example?

900

What is a nested type. Give an example?

982

Is a structure a class?

904

What are some of the commonly used commands in sqlcommand?

868

What is keywords in c#?

849

How does inheritance work in c#?

1078

Define thread?

935

Explain inheritance in c#?

911

Explain how do you directly call a native function exported from a dll?

891

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