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ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 10553

How would u connect to database using .NET?

TCS, Tesco,

5 8850

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

 1 5039

Difference between OLEDB Provider and SqlClient ?

 2 10053

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

 3 6503

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 31394

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

 4 10246

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

 2 6645

What happens when we issue Dataset.ReadXml command?

 1 5672

How to find the count of records in a dataset?

 6 20760

How to check if a datareader is closed or opened?

 1 18565

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

TCS,

1 19139

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 8889

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Un-Answered Questions { ADO.NET }

Where is adodb dll located?

518

What is connection pooling and what is the maximum pool size in ado.net connection string?

509

Can datareader hold data from multiple tables?

669

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

1566

How does ado.net work?

486




Define table relations?

550

Is entity framework better than ado.net?

473

Which object needs to be closed?

1734

What is the difference between data grid and data repeater?

500

How do you update a dataset in ado.net?

539

What is the role of the dataset object in ado.net?

564

Which one of the objects is a high-level abstraction of the connection and command objects in ado.net?

624

What is disconnected architecture in ado.net?

497

What are the types of databinding?

546

What do you know about ado.net's methods?

578

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