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Editorial Team
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Asked: 2026-05-31T09:23:07+00:00

I know that the following statement is useful for garbage collection. Effectively it must

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I know that the following statement is useful for garbage collection. Effectively it must be the same as Try/Catch/finally. If I use it for the sql connection should i also nest a further ‘using’ statement for a sql adapter? And then a further nested using for the DataSet? 

using()
{
}

A further addition to the question is if I want to use the same connection across several methods then is it best practice to have ‘Using()’ in each of the methods, or can I just create this connection object once?

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1 Answer

  1. Editorial Team

    Yes, you should use the using statement to dispose everything that implements IDisposable. The using statement is not really about garbage collection, it’s about resources (other than memory). Both DataSet and SqlDataAdapter are instances of IDisposable.

    The using block means that you guarantee that the resources that the object holds are disposed in a timely, deterministic manner. Without using, there is no guarantee when these resources will be freed. This can lead to resource leaks, such as running out of file handles.

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