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ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 10562

How would u connect to database using .NET?

TCS, Tesco,

5 8851

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

 1 5042

Difference between OLEDB Provider and SqlClient ?

 2 10062

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

 3 6507

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 31410

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

 4 10264

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

 2 6652

What happens when we issue Dataset.ReadXml command?

 1 5680

How to find the count of records in a dataset?

 6 20778

How to check if a datareader is closed or opened?

 1 18576

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

TCS,

1 19148

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 11467

Differences between dataset.clone and dataset.copy?

Ksb, TCS,

2 6979

What is the use of parameter object?

CDC, Ksb,

4 8904

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Un-Answered Questions { ADO.NET }

Is bulk insert faster than insert?

491

What are the namespaces used in ADO.Net to connect to a database?

591

Explain all the classes those are used for database connections between sql server and asp.net?

502

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

551

How can we add relation between tables in a dataset?

545




How to store data in memory?

506

Explain the differences between oledb sql server, oledbdotnet provider?

550

What is serialization and de-serialization in .net? How can we serialize the dataset object?

514

What is data view and variable view?

481

How do you update a dataset in ado.net?

543

How many major types of connection objects in ADO.NET?

584

Can we create Synonymns in MS Acess,My Sql Server,Sql Server? But iam we can create in oracle!

1636

Which object of ado contains datarow datacolumn collection?

510

Why is it important to close an ado.net application?

528

What is datasource in ado.net?

582

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