ADO.NET Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

ADO.NET Interview Questions

Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 11865

How would u connect to database using .NET?

TCS, Tesco,

5 10656

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

1 5980

Difference between OLEDB Provider and SqlClient ?

2 11281

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

3 7999

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 32960

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

4 11966

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

2 7733

What happens when we issue Dataset.ReadXml command?

1 6539

How to find the count of records in a dataset?

6 22826

How to check if a datareader is closed or opened?

1 19663

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

TCS,

1 20272

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 13283

Differences between dataset.clone and dataset.copy?

Ksb, TCS,

2 8240

What is the use of parameter object?

CDC, Ksb,

4 10465

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Un-Answered Questions { ADO.NET }

What is ado.net in mvc?

888

What are the data providers used in ado.net

982

What is the difference between ADO and ADO.Net?

1034

What is data reader in ado.net?

965

What is sqldatasource?

887

What are good ado.net object to replace to ado recordset object.

1052

What are all components of ADO.Net data provider?

1020

Describe the command object and its method.

966

Explain the difference between sqlcommand object and command behavior object?

1023

Compare Data Reader & Dataset in ado.net?

951

What is ado control?

916

How to work with disconnected data - the dataset and sqldataadapter?

945

What is a control toolbox?

910

What is a datagridview?

979

How to retrieve the user id which is provided while windows authentication?

1058

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