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 }

Define Execute Reader?

1079

What is ado rdo dao in visual basic?

1172

What are the essential features of ado.net?

958

How do you find the count of records in a dataset?

978

how we can fire event in databound coulm in datagfrid withot using button?

983

Do you use stored procedure in ado.net?

1033

Why edit is not possible in repeater?

956

What is the difference between ado.net and oledb?

956

What is the difference between Data adaptor and Data set?

1050

What is a datareader object?

1107

What is a column variable?

944

How to enable and disable connection pooling?

1063

Explain ado.net features? Benefits? Drawbacks?

1058

What are the core objects of ADO.NET?

1050

What is the difference in an abstract class and an interface?

1014

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