[Mono-dev] System.Data.SqlConnection fails on 2nd invalid login attempt

[Daniel Morgan]

I saw your example.


SqlConnection with the constructor with the connnection string does not automatically connect to the database.  You have to explicitly call the Open method.

Mono is working correctly.



________________________________
 From: Rob Wilkens <robwilkens at gmail.com>
To: mono-devel-list at lists.ximian.com 
Sent: Friday, April 27, 2012 2:57 PM
Subject: [Mono-dev] System.Data.SqlConnection fails on 2nd invalid login attempt
 

I probably shouldn't cross-post, but i wasn't sure where to put this, or if i should file a bug report (I'm new-ish to mono).  After reading the mailing list description, this seemed like a more appropriate place to ask.

First, let me say this is not a critical problem, and i'm not sure
    whether it is a bug on mono or not.  I might be interested in trying
    to fix this myself if i can figure out where to start (later), just
    as a time waster project.

When I create an SqlConnection called, say, MyConnection, and then
    call MyConnection.Open() - the second time i call it (though the
    first time with each new object it is called on) with an invalid
    login name/password, it fails with what appears to be an exception
    message that implies something was null when it shouldn't have been
    (object reference not set to instance of an object).  If i call it
    with a valid login name/password on any attempt, it doesn't raise
    any errors, as is expected.

From what i can tell, this is happening inside of
    MyConnection.Open() ... and not in my code.  I've verified that
    MyConnection is not null when i call Open().

If you want to see sample code, i'll point you to my other post on
    this topic:
http://stackoverflow.com/questions/10355669/using-system-data-sqlconnection-in-mono-second-invalid-login-attempt-results-in 

Does this sound like something i should file a bug on?  Also, if i'm
    interested in contributing, would it be wisest to file a bug first,
    then attempt to resolve it?

-Rob

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