>This page gives an example on how to simulate the problem, however, I do not make any use of SQLDataReader:

Everything in ADO.NET uses a DataReader. If, for example, you fill a dataset from SQLServer then a SQLDataReader is used behind the scenes.

>http://blogs.msdn.com/b/spike/archive/2009/08/20/there-is-already-an-open-datareader-associated-with-this-command-which-must-be-closed-first-explained.aspx
>
>However, in it, there is a line:
>
>"However, the SqlDataReader (and the other DataReaders)..."
>
>I am trying to get a list of all other possible DataReaders that could be used.