ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 7514

How would u connect to database using .NET?

Tesco, TCS,

5 5088

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

1 3229




Difference between OLEDB Provider and SqlClient ?

2 7281

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

3 3954

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 27346

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

4 6141

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

2 4460




What happens when we issue Dataset.ReadXml command?

1 3881

How to find the count of records in a dataset?

6 15432

How to check if a datareader is closed or opened?

1 12795

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

TCS,

1 13371

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 7977

Differences between dataset.clone and dataset.copy?

TCS, Ksb,

2 4456

What is the use of parameter object?

Ksb,

4 6006


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Un-Answered Questions { ADO.NET }

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

692


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

2271


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

557


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

702


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?

877


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

1362


What are the advantages of oledb compared with other classes?

1242