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ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 10650

How would u connect to database using .NET?

TCS, Tesco,

5 9015

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

 1 5111

Difference between OLEDB Provider and SqlClient ?

 2 10163

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

 3 6609

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 31544

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

 4 10434

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

 2 6759

What happens when we issue Dataset.ReadXml command?

 1 5765

How to find the count of records in a dataset?

 6 20942

How to check if a datareader is closed or opened?

 1 18709

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

TCS,

1 19218

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 11613

Differences between dataset.clone and dataset.copy?

Ksb, TCS,

2 7064

What is the use of parameter object?

CDC, Ksb,

4 9070

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Un-Answered Questions { ADO.NET }

What is sqldatareader in ado.net?

527

What is ambient transaction?

539

Data reader read and forward only, how is it possible to get 2 tables of data at a time?

526

What is execute scalar in ado.net?

531

What is ole2 format?

538




What is serialization and de-serialization in .net? How can we serialize the dataset object?

550

How can we add relation between tables in a dataset?

578

What is variable view?

523

What is ado.net in mvc?

531

What is command class in ado.net?

511

What is ado net stands for?

561

What are the ado.net objects?

542

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

569

Which method in OLEDBAdapter is used to populate dataset with records?

589

What is the use of Dataview?

606

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