mysql reader not worked when i worked with huge amount of data

Posted by Steven Spielberg on Stack Overflow See other posts from Stack Overflow or by Steven Spielberg
Published on 2010-05-30T12:35:46Z Indexed on 2010/05/30 12:42 UTC
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c#

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mysql

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database

my Select query not worked when i worked with mysql and database have a huge amount of information. i got error

System.NullReferenceException: Object reference not set to an instance of an object.

for

 MySqlDataReader reader = cmd.ExecuteReader(CommandBehavior.CloseConnection);

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