ADO.NET Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

ADO.NET Interview Questions

Questions Answers Views Company eMail

How do you merge two datasets into the third dataset in a simple manner?

IBM,

3 14842

If a dataset contains 100 rows, how to fetch rows between 10 and 20 only ?

Ksb,

14 35250

How to generate XML from a dataset and vice versa?

2 7945

What is method to get XML and schema from Dataset?

2 9303

How do u implement locking concept for dataset?

ABC,

2 10648

What is ADO .NET and what is difference between ADO and ADO.NET?

Ksb,

7 14421

What are the two fundamental objects in ADO.NET?

Ksb, TCS,

8 23753

What's the difference between Dataset.clone and Dataset.copy?

Ksb,

10 32831

What we do with the object of ado.net dataset after using it?Can we dispose it or can we set it nothing?Is it must or not?

SVI,

4 7791

What are advantages and disadvantages of Microsoft-provided data provider classes in ADO.NET?

2 12414

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

Honeywell, Ksb,

7 15803

Being fresher How would i answer to the question that what is your salary exception?

4 7572

I am fresh graduate, trained in C# .net. How do i answer when interview ask me , Where do you see yourself within 5 years from now?

2 9949

how can implement dropdownlist in particular of dataset when try to update?

TCS,

2723

How can you implement sub data grid in a master datagrid?

1 6788

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Un-Answered Questions { ADO.NET }

What is the difference in record set and dataset?

976

What is difference between datatable and dataset?

991

What is ado.net object model?

920

What is executenonquery ado.net?

892

Define Execute Scalar?

958

Difference between sqlcommand and sqlcommandbuilder?

1055

Explain which name space is used to get assembly details?

909

What is the use of SqlCommand object?

1174

What are the parameters that control most of connection pooling behaviours?

1010

If a table contains 20000 records. In a page at each time 100 records to be displayed.

843

Define data access layer?

904

What is the difference between the clone() and copy() methods of the dataset class?

1016

Which ado.net object is very fast in getting data from the database?

1051

Why do we serialize data?

886

How to identify the updated rows in a dataset?

976

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