What does executereader return?


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Which one of the objects is a high-level abstraction of the connection and command objects in ado.net?

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What are the essential features of ado.net?

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What is defaultview in datatable?

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What is @@rowcount and with small code snippet explain the usage?

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What does ado stand for?

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What is the default timeout specified for "sqlcommand.commandtimeout" property?

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How to add an aggregate column?

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If a table contains 20000 records . In a page at each time 100 records to be displayed what are the steps you will take to improve performance? Will you use dataset or datareader?

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How can you identify whether or not any changes are made to the DataSet object since it was last loaded?

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What providers does Ado.net uses?

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Differences between dataset.clone and dataset.copy?

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