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ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 10552

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 10052

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 10245

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 }

What is data view and variable view?

476

How can we load multiple tables in to dataset?

564

What does executenonquery () method return?

494

What are the major difference between classic ADO and ADO.NET?

510

Explain the difference between ado and ado.net?

496




What are the 3 major types of connection objects in ado.net?

534

What are the different methods by which we can populate a dataset?

678

How to identify the controls which can be used for binding data?

539

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

529

What does adodb stand for?

498

What is method to get XML and schema from Dataset? getXML() and get Schema ()

535

What is basic use of data view?

503

What is the difference between Data adaptor and Data set?

508

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

635

What are the namespaces used in ado.net for data access?

474

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