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 8581

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 10578

What is the main difference between ADO and ADO.Net

HCL,

4 10039

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 5918

what is different between SqlCommand object and Command Behaviour Object

3 12948

what is bubbled event can u pls explain

Wipro,

3 8095

What are the three Objects of ADO.

10 12290

how would i implement dropdownlist in gridview using c#

2 6826

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

TCS,

3 10074

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 4457

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

Fulcrum Logic, Merrill Lynch,

3 9337

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 8250

What are the ADO.NET Controls?

6 8704

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 6088

what is typed and untyped dataset

3 19062

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Un-Answered Questions { ADO.NET }

What are the essential features of ado.net?

955

What is ado or jdbc?

924

What is the meaning of object pooling?

1236

Do we use stored procedure in ADO.Net?

992

Define bubbled event?

933

what is the difference betwen typed dataset and untyped dataset?in general which dataset can we use in programming?

1019

What is difference between datatable and dataset?

1063

What is the difference between DataReader and DataSet in ADO.NET?

1165

How would you connect to database using .NET?

1030

Does ado.net use odbc?

954

What is ole db and odbc?

925

Explain all the classes those are used for database connections between sql server and asp.net?

1009

What is the difference between OLEDB Provider and SqlClient?

987

What is the difference between Optimistic and Pessimistic locking?

983

oledbdataadpter with ms access in c#.net giving exception System.Data.OleDb.OleDbException while writing adapter.update(dataset,"tabname"); how to update the database from dataset?

2382

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