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

ADO.NET Interview Questions

Questions Answers Views Company eMail

FetCh Records No 5 to 10 From Dataset

4 8593

When multiple users attempt to modify data at the same time Ex user 1 is updating record at same time user2 deleted record sucessfully.now user1 has press update button . how to handle concurrency

Digital Group,

4 10591

What is the main difference between ADO and ADO.Net

HCL,

4 10057

once data is fetched into dataset connection gets closed. but in datareader connection is always maintained...then why datareader is fast and mainly recommended ?

2 5926

what is different between SqlCommand object and Command Behaviour Object

3 12964

what is bubbled event can u pls explain

Wipro,

3 8104

What are the three Objects of ADO.

10 12317

how would i implement dropdownlist in gridview using c#

2 6836

what is meant by connection pooling and event pumbling in ado.net

TCS,

3 10086

how to create a quiz software using 4 options to answer and how to check with answers in the database and award marks....

Ford,

1 4464

What is the difference between a Dataset and DataReader? Can dataReader hold data from multiple tables?

Fulcrum Logic, Merrill Lynch,

3 9352

I loaded the dataset with a table of 10 records. One of the records is deleted from the backend, How do you check whether all the 10 records were present while updating the data(Which event and steps) and throw the exception.

Fulcrum Logic, Satyam,

2 8259

What are the ADO.NET Controls?

6 8725

i making a project using windows application c#, i want to show user name, password, and one button login. i wanna make it with sealed class .how its possible . when i clicked my login button all project should be open. pls cleare me.

1 6096

what is typed and untyped dataset

3 19074

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Un-Answered Questions { ADO.NET }

What is the difference between Optimistic and Pessimistic locking?

992

What is the full form of ado.net?

992

What does sqldatareader return?

969

What is the purpose of using adodb?

964

What is bubbled event?

984

How do I delete a row from a DataTable?

1176

Define bubbled event?

948

What are the key features of ado.net?

1212

Explain ado.net features?

1058

What are three methods for displaying data in a syncfusion datagrid

1083

What is a sqldataadapter?

1002

What is data reader in ado.net?

1010

What is the difference between sqlcommand and sqldataadapter?

1003

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

1034

What is XML serialization

1073

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