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 11237

How would u connect to database using .NET?

TCS, Tesco,

5 9843

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

1 5585

Difference between OLEDB Provider and SqlClient ?

2 10710

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

3 7319

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 32298

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

4 11291

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

2 7274

What happens when we issue Dataset.ReadXml command?

1 6149

How to find the count of records in a dataset?

6 21923

How to check if a datareader is closed or opened?

1 19174

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

TCS,

1 19704

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 12432

Differences between dataset.clone and dataset.copy?

Ksb, TCS,

2 7614

What is the use of parameter object?

CDC, Ksb,

4 9749

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Un-Answered Questions { ADO.NET }

What is Serialization in .NET? what are the types of Serialization?

838

Define connection string?

833

What is openquery?

769

Explain what are the steps to connect to a database?

779

What is Data view?

829

Define different execute methods of ADO.NET command object ?

800

What are the methods of XML dataset object?

849

What are the parameters that control most of connection pooling behaviours?

867

What is difference between entity framework and ado.net?

741

Give an example that shows how to execute a stored procedure in ado.net?

836

What is ado.net connection?

725

What are dcl commands?

762

What is ado.net code?

755

What is the difference between ado.net and entity framework?

830

How to add a check box or a dropdown list to a column in a datagrid?

794

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