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 8367

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 10390

What is the main difference between ADO and ADO.Net

HCL,

4 9865

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 5789

what is different between SqlCommand object and Command Behaviour Object

3 12757

what is bubbled event can u pls explain

Wipro,

3 7941

What are the three Objects of ADO.

10 11861

how would i implement dropdownlist in gridview using c#

2 6697

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

TCS,

3 9903

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 4362

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

Fulcrum Logic, Merrill Lynch,

3 9189

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 8090

What are the ADO.NET Controls?

6 8465

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 5998

what is typed and untyped dataset

3 18888

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Un-Answered Questions { ADO.NET }

Explain the namespaces in which .net has the data functionality class.

1011

How can you identify whether or not any changes are made to the DataSet object since it was last loaded?

975

What is the difference between ADO and ADO.Net?

1024

What is difference between datatable and dataset?

991

What is sqldatareader in ado.net?

874

What is the difference between SqlCommand and SqlCommandBuilder?

1003

What is the use of ADO.NET and XML web services?

984

What are different layers of ADO.Net?

1041

How to create data relations?

942

What is basic use of data view?

944

How can we perform transactions in .net?

997

Explain how to create dynamic gridview?

922

Explain what are acid properties?

922

Does ado.net use odbc?

901

What is XML serialization

983

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