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 11977

How would u connect to database using .NET?

TCS, Tesco,

5 10871

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

1 6069

Difference between OLEDB Provider and SqlClient ?

2 11432

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

3 8177

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 33113

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

4 12162

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

2 7840

What happens when we issue Dataset.ReadXml command?

1 6646

How to find the count of records in a dataset?

6 23134

How to check if a datareader is closed or opened?

1 19792

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

TCS,

1 20368

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 13502

Differences between dataset.clone and dataset.copy?

Ksb, TCS,

2 8387

What is the use of parameter object?

CDC, Ksb,

4 10681

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Un-Answered Questions { ADO.NET }

What is partial class?

991

What is command class in ado.net?

1034

How can you add or remove rows from the datatable object of dataset?

1028

What are the key features of ado.net?

1212

What is difference between dataset and datatable?

1188

Why is ADO.NET serialization slower than ADO ?

1059

can we create synonymn in ms access,sql server,my sql if so explain me with example

2094

Which property is used to check whether a DataReader is closed or opened?

1052

How to add an aggregate column?

1023

What is XML serialization

1073

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

1082

What are all the different methods under sqlcommand?

993

What is disconnected data?

1052

Define executenonquery?

920

What are the differences between OLEDB and SQLClient Providers?

1170

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