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 11972

How would u connect to database using .NET?

TCS, Tesco,

5 10844

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

1 6063

Difference between OLEDB Provider and SqlClient ?

2 11413

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

3 8158

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 33095

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

4 12144

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

2 7833

What happens when we issue Dataset.ReadXml command?

1 6634

How to find the count of records in a dataset?

6 23116

How to check if a datareader is closed or opened?

1 19787

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

TCS,

1 20355

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 13481

Differences between dataset.clone and dataset.copy?

Ksb, TCS,

2 8372

What is the use of parameter object?

CDC, Ksb,

4 10660

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Un-Answered Questions { ADO.NET }

Explain how can we load multiple tables in to dataset?

943

how can implement dropdownlist in particular of dataset when try to update?

2778

What does datareader object do?

1005

What is ole db and odbc?

924

How would you connect to a database by using .NET?

939

How to perform sorting on a table in ADO.NET?

1033

What are the Features and disadvantages of dataset

1122

How to Read, Add, Update and Delete record in Entity Framework ?

1040

Explain what is datagrid with an example?

1098

Define data access layer?

958

What is ado.net components?

965

What is difference between ado and other data object?

913

What are the different methods by which we can populate a dataset?

1234

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

1076

Which is faster ado.net or linq?

1026

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