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

ADO.NET Interview Questions

Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 11957

How would u connect to database using .NET?

TCS, Tesco,

5 10834

What are relation objects in dataset and how & where to use them?

1 6047

Difference between OLEDB Provider and SqlClient ?

2 11400

What are the different namespaces used in the project to connect the database?

3 8137

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 33087

Which method do you invoke on the DataAdapter control to load your generated dataset with data?

4 12125

Explain different methods and Properties of DataReader which you have used in your project?

2 7828

What happens when we issue Dataset.ReadXml command?

1 6623

How to find the count of records in a dataset?

6 23080

How to check if a datareader is closed or opened?

1 19774

What are the differences between RAW, AUTO and Explicit modes in retrieving data from SQL Server in XML format?

TCS,

1 20348

What happens when u try to update data in a dataset in .NET while the record is already deleted in SQL SERVER as backend?

5 13464

Differences between dataset.clone and dataset.copy?

Ksb, TCS,

2 8359

What is the use of parameter object?

CDC, Ksb,

4 10645

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Un-Answered Questions { ADO.NET }

What are the important features of ado.net 2.0?

1073

Name which operations can you not perform on an ado.net dataset?

985

Explain all the classes those are used for database connections between sql server and asp.net?

1000

What is execute reader in ado.net?

962

Explain the advantage of ADO.Net?

988

differance between ADO vs ADO.Net?

1059

What is maximum pool size in ado.net connection string?

972

What is the role of data provider in ado.net?

996

What is the difference between statement and preparedstatement interface?

995

What is a dynaset in access?

1061

How we can provide data to ado.net?

1036

What is a column variable?

936

Is datareader faster than datatable?

962

Why is stored procedure used in ado.net?

1112

What are the benefits of using of ADO.NET in .NET 4.0?

1064

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