Hi All,

Is it possible to have more than one data reader in a single connection
(MSDN documentation dated July 2002 says that to have more than one data
reader, there should be more than one connection, one for each data reader.)
http://msdn2.microsoft.com/en-us/library/ms971481.aspx

has the situation changed in .NET 2.0 ?
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Under certain circumstances you CAN have more than one operation executed
against a single SQL Server connection--if you use MARS. Multiple Active
Resultsets is enabled in ADO.NET 2.0. While I don't endorse it (as
connections are really pretty cheap with SQL Server) it can be done.

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Ziangi Jones,

ADO.Net 2.0 introduced a new feature called Multiple Active Result Sets
(MARS). This feature allows multiple open data readers on the same connection.

However, MARS has all sorts of ramifications that you need to understand
really well before using it.

Personally, I would use multiple connections.

Kerry Moorman


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