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ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 11033

How would u connect to database using .NET?

TCS, Tesco,

5 9561

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

 1 5426

Difference between OLEDB Provider and SqlClient ?

 2 10538

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

 3 7112

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 32118

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

 4 11036

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

 2 7138

What happens when we issue Dataset.ReadXml command?

 1 6039

How to find the count of records in a dataset?

 6 21607

How to check if a datareader is closed or opened?

 1 19047

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

TCS,

1 19578

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 12202

Differences between dataset.clone and dataset.copy?

Ksb, TCS,

2 7450

What is the use of parameter object?

CDC, Ksb,

4 9539

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Un-Answered Questions { ADO.NET }

How will you differentiate between ADO (ActiveX Data Object) and RDO (Remote Data Objects)?

783

Explian About DataAdapters

769

What is connection string?

702

Explain how to bind the controls(best practice) comboboxes to the data in the dataset?

748

What is difference between executenonquery and executequery?

672

How do you merge 2 datasets into the third dataset in a simple manner?

747

What are dataproviders?

718

What are the steps to connect to a database?

730

How can we load multiple tables in to dataset?

784

What are the advantage of ado.net?

714

Difference between sqlcommand and sqlcommandbuilder?

774

How do you connect to sql server database without using sqlclient?

760

Define data adapter?

679

What are the core objects of ADO.NET?

771

Explain how do you connect to sql server database without using sqlclient?

686

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