ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 7259

How would u connect to database using .NET?

Tesco, TCS,

5 4866

What are relation objects in dataset and how & where to use them?

1 3079

Difference between OLEDB Provider and SqlClient ?

2 7063

What are the different namespaces used in the project to connect the database?

3 3850

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 26973

Which method do you invoke on the DataAdapter control to load your generated dataset with data?

4 5877

Explain different methods and Properties of DataReader which you have used in your project?

2 4307

What happens when we issue Dataset.ReadXml command?

1 3778

How to find the count of records in a dataset?

6 14844

How to check if a datareader is closed or opened?

1 11942

What are the differences between RAW, AUTO and Explicit modes in retrieving data from SQL Server in XML format?

TCS,

1 12459

What happens when u try to update data in a dataset in .NET while the record is already deleted in SQL SERVER as backend?

5 7782

Differences between dataset.clone and dataset.copy?

TCS, Ksb,

2 4326

What is the use of parameter object?

Ksb,

4 5879


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Un-Answered Questions { ADO.NET }

The answers which posted above is not satisfied my requirement? Can some one post teh exact answer? Thanx

541


What are the advantages of oledb compared with other classes?

1216


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

1330


Can we create Synonymns in MS Acess,My Sql Server,Sql Server? But iam we can create in oracle!

659


can we create synonymn in ms access,sql server,my sql if so explain me with example

648


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

2244


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?

834