Define data access layer?
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What are two types of transaction supported by ado.net?
make a login control??
What is aggregate root?
Does executenonquery return a value?
what is the syntax code for oldb to connect oracle
What are all features of ADO.Net?
once data is fetched into dataset connection gets closed. but in datareader connection is always maintained...then why datareader is fast and mainly recommended ?
What does connection string consists of ?
Explain the advantages and disadvantages of using datalist?
How is it possible to get 2 tables of data at a time by using data reader?
Differences between dataset.clone and dataset.copy?
What is the difference between the clone() and copy() methods of the dataset class?
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