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 8886

How would u connect to database using .NET?

Tesco, TCS,

5 6426

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

1 3923

Difference between OLEDB Provider and SqlClient ?

2 8539

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

3 4791

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 29363

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

4 7554

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

2 5240

What happens when we issue Dataset.ReadXml command?

1 4587

How to find the count of records in a dataset?

6 17755

How to check if a datareader is closed or opened?

1 15694

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

TCS,

1 16957

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 9219

Differences between dataset.clone and dataset.copy?

TCS, Ksb,

2 5430

What is the use of parameter object?

Ksb, CDC,

4 6862

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Un-Answered Questions { ADO.NET }

What are different layers of ADO.Net?

Which control of the BindingNavigator returns the current position within the data source?

differences between ADO and ADO.NET

How can we add relation between tables in a dataset?

Define Execute Scalar?

What is shadow copy?

Why is ADO.NET serialization slower than ADO ?

What is the difference between Dataset. clone and Dataset.copy?

What are the pre-requisites for connection pooling?

How do I delete a row from a DataTable?

What are the different execute methods of Ado.Net?

What is the use of Dataview?

What are all the commands used with Data Adapter?

What are the differences between OLEDB and SQLClient Providers?

What is Data view?

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