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ADO.NET Interview Questions
Questions Answers Views Company eMail

How do I delete a row from a DataTable?

UGC Corporation,

593

What is the significance of CommandBehavior.CloseConnection ?

NA,

571

What are the different namespaces used in the project to connect the database? What data providers available in .net to connect to database?

 771

How would you connect to database using .NET?

 570

In how many ways we can retrieve table records count? How to find the count of records in a dataset?

 542

how you will deal result set? How do you sort a dataset?If a dataset contains 100 rows, how to fetch rows between 5 and 15 only?

 581

What is method to get XML and schema from Dataset? getXML() and get Schema ()

 541

How do you implement locking concept for dataset?

 541

What is concurrency? How will you avoid concurrency when dealing with dataset? (One user deleted one row after that another user through his dataset was trying to update same row. What will happen? How will you avoid the problem?)

 581

How to check if a datareader is closed or opened? IsClosed()

 580

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

 535

Explain the advantage of ADO.Net?

 553

Which control of the BindingNavigator returns the current position within the data source?

 729

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

 538

What is the DataTableCollection?

 571

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Un-Answered Questions { ADO.NET }

Explain advantages of ado.net?

555

What are the different ado.net namespaces are available in .net?

495

What is Dataset Object?

561

Why do we need ado.net?

542

What is disconnected data?

578




What is sql connection in ado.net?

497

What is the difference between ADO and ADO.Net?

589

What provider ado.net use by default? Explain the role of data provider in ado.net?

528

What are the uses of Stored Procedure?

553

What are the ado.net connection pooling parameters?

461

How to work with disconnected data - the dataset and sqldataadapter?

504

What is DataRowCollection?

621

How do you update a dataset in ado.net and how do you update database through dataset?

483

How to aggregating data across related tables?

547

Can you explain how to enable and disable connection pooling?

506

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