ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 10584

How would u connect to database using .NET?

TCS, Tesco,

5 8913

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

1 5064

Difference between OLEDB Provider and SqlClient ?

2 10095

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

3 6545

Difference between DataReader and DataAdapter / DataSet and DataAdapter?


3 31461

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

4 10324

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

2 6687

What happens when we issue Dataset.ReadXml command?

1 5704

How to find the count of records in a dataset?

6 20818

How to check if a datareader is closed or opened?

1 18601

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


1 19172

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 11507

Differences between dataset.clone and dataset.copy?

Ksb, TCS,

2 7006

What is the use of parameter object?

CDC, Ksb,

4 8937

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Un-Answered Questions { ADO.NET }

What is a datareader object?


What is a control toolbox?


What is the difference between and entity framework?


What is difference between and asp net?


How can we add relation between tables in a dataset?


What are the usages of the command object in


Define the executescalar method?


What are all the different authentication techniques used to connect to MS SQL Server?


Which is faster sqldataadapter and sqldatareader?


How does entity framework work?


Describe briefly an ADO.NET Dataset ?


The answers which posted above is not satisfied my requirement? Can some one post teh exact answer? Thanx


What is difference between datatable and dataset?


What are the different namespaces?


List the 4 common namespaces?