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What is ADO .NET and what is difference between ADO and ADO.NET?

Answer Posted / pankaj

1. Business Model


ADO is Connection-oriented Models used mostly
ADO.NET is Disconnected models are used:Message-like Models.


2. Disconnected Access

ADO Provided by Record set.
ADO.NET Provided by Data Adapter and Data set

3. XML Support

ADO Limited
ADO.NET Robust Support

4. Connection Model

ADO Client application needs to be connected always to
data-server while working on the data, unless using
client-side cursors or a disconnected Record set

ADO.NET Client disconnected as soon as the data is
processed. DataSet is disconnected at all times.

5. Data Passing

ADO objects communicate in binary mode.
ADO.NET uses XML for passing the data.

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