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ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 10556

How would u connect to database using .NET?

TCS, Tesco,

5 8851

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

 1 5041

Difference between OLEDB Provider and SqlClient ?

 2 10054

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

 3 6504

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 31402

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

 4 10249

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

 2 6648

What happens when we issue Dataset.ReadXml command?

 1 5674

How to find the count of records in a dataset?

 6 20762

How to check if a datareader is closed or opened?

 1 18567

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

TCS,

1 19144

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 11455

Differences between dataset.clone and dataset.copy?

Ksb, TCS,

2 6976

What is the use of parameter object?

CDC, Ksb,

4 8891

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Un-Answered Questions { ADO.NET }

What are the key features of ado.net?

659

What is ado.net and its features?

493

Which is faster sqldataadapter and sqldatareader?

493

What is openrowset?

490

What is openquery?

523




Which is faster dataset or datareader?

517

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

539

What is ado.net in vb net?

494

What are all the commands used with Data Adapter?

514

What are the pre-requisites for connection pooling?

529

What is a dataview?

528

What is the significance of CommandBehavior.CloseConnection ?

560

What is the difference between Command and CommandBuilder object?

583

What is difference between entity framework and ado.net?

473

What is dbcontext and dbset in entity framework?

482

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