ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 10512

How would u connect to database using .NET?

TCS, Tesco,

5 8783

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

1 5006

Difference between OLEDB Provider and SqlClient ?

2 10006

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

3 6460

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 31328

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

4 10164

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

2 6599

What happens when we issue Dataset.ReadXml command?

1 5636

How to find the count of records in a dataset?

6 20698

How to check if a datareader is closed or opened?

1 18490

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

TCS,

1 19115

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 11383

Differences between dataset.clone and dataset.copy?

Ksb, TCS,

2 6935

What is the use of parameter object?

CDC, Ksb,

4 8828


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Un-Answered Questions { ADO.NET }

Does ado.net use odbc?

503


What are the Features and disadvantages of dataset

534


How do you update database through dataset?

517


What are the advantages and disadvantages of using datalist?

501


What is the difference between the clone() and copy() methods of the dataset class?

519






Explain ODP.net

551


Command objects uses, purposes and their methods.

497


What is ado and rdo?

478


What is data reader in ado.net?

475


What is data adapter in ado.net with example?

482


What are basic methods of dataadapter?

480


What is the difference between statement and preparedstatement interface?

544


What are three methods for displaying data in a syncfusion datagrid

592


How to connect and retrieve data from database using dataset

515


What is the executescalar method?

560