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 10857

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

1 6065

Difference between OLEDB Provider and SqlClient ?

2 11425

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

3 8166

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 33102

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

4 12148

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

2 7835

What happens when we issue Dataset.ReadXml command?

1 6637

How to find the count of records in a dataset?

6 23123

How to check if a datareader is closed or opened?

1 19790

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

TCS,

1 20362

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 13490

Differences between dataset.clone and dataset.copy?

Ksb, TCS,

2 8378

What is the use of parameter object?

CDC, Ksb,

4 10669

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Un-Answered Questions { ADO.NET }

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

1125

Explain ODP.net

1008

What is ado.net connection?

963

Define the data provider classes that is supported by ado.net?

984

differences between ADO and ADO.NET

1081

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

921

What is the difference between ado.net and oledb?

952

What is row state?

988

What are the 3 major types of connection objects in ado.net?

1002

Explain how to copy the contents from one table to another table and how to delete the source table in ado.net?

870

Describe the disconnected architecture of ADO.NET’s data access model.

1064

What is the full form of ado.net?

989

What is microsoft ole db provider for sql server?

934

What is datatable in ado.net?

969

How to aggregating data across related tables?

1045

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