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ADO.NET Interview Questions
Questions Answers Views Company eMail

Advantage of ADO.Net?

QualSoft, TCS,

2 8406

How would u connect to database using .NET?

Tesco, TCS,

5 6024

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

 1 3727



Difference between OLEDB Provider and SqlClient ?

 2 8181

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

 3 4464

Difference between DataReader and DataAdapter / DataSet and DataAdapter?

TCS,

3 28835

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

 4 7161

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

 2 4964



What happens when we issue Dataset.ReadXml command?

 1 4382

How to find the count of records in a dataset?

 6 17005

How to check if a datareader is closed or opened?

 1 14780

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

TCS,

1 16197

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 8808

Differences between dataset.clone and dataset.copy?

TCS, Ksb,

2 5041

What is the use of parameter object?

Ksb,

4 6569

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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

888

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

901

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

792

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

1577

What are the advantages of oledb compared with other classes?

1552




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

2601

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?

1122

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