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

IBM,

3 15129

If a dataset contains 100 rows, how to fetch rows between 10 and 20 only ?

Ksb,

14 36323

How to generate XML from a dataset and vice versa?

2 8181

What is method to get XML and schema from Dataset?

2 9535

How do u implement locking concept for dataset?

ABC,

2 10927

What is ADO .NET and what is difference between ADO and ADO.NET?

Ksb,

7 14940

What are the two fundamental objects in ADO.NET?

Ksb, TCS,

8 24434

What's the difference between Dataset.clone and Dataset.copy?

Ksb,

10 33503

What we do with the object of ado.net dataset after using it?Can we dispose it or can we set it nothing?Is it must or not?

SVI,

4 8104

What are advantages and disadvantages of Microsoft-provided data provider classes in ADO.NET?

2 12640

What?s the role of the DataReader class in ADO.NET connections?

Honeywell, Ksb,

7 16310

Being fresher How would i answer to the question that what is your salary exception?

4 7923

I am fresh graduate, trained in C# .net. How do i answer when interview ask me , Where do you see yourself within 5 years from now?

2 10186

how can implement dropdownlist in particular of dataset when try to update?

TCS,

2835

How can you implement sub data grid in a master datagrid?

1 6937

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Un-Answered Questions { ADO.NET }

What is the difference between OLEDB Provider and SqlClient?

1039

Define the data provider classes that is supported by ado.net?

1034

What is sqldatasource?

980

What is the difference between Data adaptor and Data set?

1095

How to add an aggregate column?

1069

Explain how can we load multiple tables in to dataset?

982

Does sqlclient and oledb class share the same functionality?

984

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

1075

What is the default timeout specified for "sqlcommand.commandtimeout" property?

1108

What is data reader in ado.net?

1057

What is the current version of entity framework?

1028

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

988

Some important instruction regarding ADO.NET connection string ?

1050

How to generate a single aggregate?

1025

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

1061

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