How to bind the controls(best practice) comboboxes to the data in the dataset?

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What is ado.net and its features?

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How to check if a datareader is closed or opened? IsClosed()

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Is bulk insert faster than insert?

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What is the usage of the dataset object in ado.net?

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How do you find the count of records in a dataset?

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What are all the classes that are available in System.Data Namespace?

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Explain how to find the given query is optimised one or not?

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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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What is the difference between connected and disconnected environment?

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What do you mean by ‘batch updates’?

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Why is it important to close an ado.net application?

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