Answer Posted / vivek

Before ado.net 2.0 they give only interfaces to implemetn
them then every provider started implementing on their own
way so problem araised with these implementation.
From ado.net2.0 it gives abstract classes like DbConnetion
to providers.Then the providers create classes to implement
those abstract classes.
Ex:SqlConnection,OracleConnection.
with thses abstract classes we can connect to any backend.

Describe the command object and its method.

1004

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Compare Data Reader & Dataset in ado.net?

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Name which operations can you not perform on an ado.net dataset?

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What is the difference between SqlCommand and SqlCommandBuilder?

1073

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

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What are the usages of the command object in ado.net?

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What is fill method in ado.net?

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What is ole access?

947

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What is the difference between ADO and ADO.Net?

1082

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What is the current version of entity framework?

968

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What is different between sqlcommand object and command behavior object?

1058

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