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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 13706

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

Ksb,

14 31726

How to generate XML from a dataset and vice versa?

 2 7113

What is method to get XML and schema from Dataset?

 2 8512

How do u implement locking concept for dataset?

ABC,

2 9665

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

Ksb,

7 12421

What are the two fundamental objects in ADO.NET?

Ksb, TCS,

8 21626

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

Ksb,

10 30399

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 6302

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

 2 11258

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

Honeywell, Ksb,

7 13876

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

 4 6409

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 9066

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

TCS,

2311

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

 1 6181

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Un-Answered Questions { ADO.NET }

Command objects uses, purposes and their methods.

526

What is meant by ‘transaction’ in a database and what are the ‘properties of transaction’?

535

What is ado.net architecture?

496

How we can provide data to ado.net?

551

What is ado object model?

519




Explain ado.net features? Benefits? Drawbacks?

560

How many major types of connection objects in ADO.NET?

598

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

540

What is the default Timeout for SqlCommand.CommandTimeout property?

512

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 28 can datareader hold data from multiple tables?

557

What is ado code?

508

What is ado.net and its features?

503

What is difference between executenonquery and executequery?

474

What is ado net stands for?

519

What is the DataTableCollection?

579

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