ADO.NET Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

ADO.NET Interview Questions

Questions Answers Views Company eMail

How to call the SQL commands asynchronously in ADO.NET version 2.0

DELL,

4 14406

What is the namespace in which .NET has the data functionality classes?

eMantras,

5 10604

What are the two fundamental objects in ADO.NET?

6 9684

What are major difference between classic ADO and ADO.NET?

2 10259

What is the use of command objects?

2 7686

Diff B/W DataSet vs DataTable

Star Wire,

6 12271

Which is the best institute in hyderabad to learn DotNet?

Cognizant,

11 30630

Can a DataReader be used as a DataSource for a GridView. If it is so how will you handle paging.

Directi,

3 10685

how to display empty table to datagrid

LG Soft,

3 8434

What is datatable?

3 13439

Difference between ADO and ADO.Net

IBM,

4 10541

Why DataReader is Forward Only?

IBM, NIIT,

16 35440

HOW TO FILL GRID VIEW WITH OUT USING SQLDATASOURCE AND PROGRAMING?

4 10995

describe about the ado.net object model

TCS,

4 13426

What is main five diffrent between Connected And Disconnected environment

HCL, Satyam, US India, Wipro,

15 91604

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Un-Answered Questions { ADO.NET }

Define atomicity?

1087

What are the objects of ado.net?

1118

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

1015

What is the purpose of using adodb?

1010

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

1398

What is difference between sqldatareader and sqldataadapter?

972

Explain the difference between data reader and data set?

966

Which property is used to check whether a DataReader is closed or opened?

1086

What is the advantage of ado.net?

1060

What is bubbled event?

1016

What is difference between entity framework and ado.net?

978

What is the maximum pool size in ado.net connection string?

990

What are the major challenges in accessing data from a database?

1064

What are the rules to implement connection pooling?

1118

How to copy the contents from one table to another table and how to delete the source table in ado.net?

1083

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