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ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 10562

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 5044

Difference between OLEDB Provider and SqlClient ?

 2 10063

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

 3 6507

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 31415

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

 4 10267

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

 2 6652

What happens when we issue Dataset.ReadXml command?

 1 5682

How to find the count of records in a dataset?

 6 20780

How to check if a datareader is closed or opened?

 1 18576

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

TCS,

1 19148

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 11467

Differences between dataset.clone and dataset.copy?

Ksb, TCS,

2 6982

What is the use of parameter object?

CDC, Ksb,

4 8911

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Un-Answered Questions { ADO.NET }

How to create data relations?

548

What are the Data providers in ADO.Net?

549

oledbdataadpter with ms access in c#.net giving exception System.Data.OleDb.OleDbException while writing adapter.update(dataset,"tabname"); how to update the database from dataset?

1928

What is two way data binding android?

485

What is command class in ado.net?

473




Does sqlclient and oledb class share the same functionality?

534

How to pass multiple tables in datasets simultaneously?

569

What is data view and variable view?

481

Which is faster entity framework or ado.net?

497

What are ado.net objects?

529

Explain how to pass multiple tables in datasets simultaneously?

490

What is the difference between data grid and data repeater?

502

What is commandbuilder in ado.net?

522

Explain About ado.net components/objects. Usage of data adapters and tell the steps to retrieve data.

553

Explain the namespaces in which .net has the data functionality class.

528

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