Re: TADOQuery->Parameters->Index[]->Value

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#1227

From: Arnie Mauer
Date: Thu, 23 Sep 2004 15:30

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"Stephane Baillargeon" <info@solutionsgestico.com> wrote in message 
news:4151b7fb$1@newsgroups.borland.com...
> Hi,
>
> What is wrong with this code? I get a list out of bounds (0) 
> exception.
> Do I have to initialize a TParameters list before and assign it to 
> the
> query?
>
> TADOQuery *padoQry = new TADOQuery(NULL);
>
> padoQry->SQL->Add(" SELECT * FROM Test WHERE Test_NRI = : Test ");
>
> padoQry->Parameters->Items[0]->Value = 3683; // <---access violation
>

Your code above doesn't show the query as being hooked to a connection 
or otherwise connected to a DB.  That being the case, no parameter 
objects will be created because the query can't determine their type. 
Try setting the connection before adding the SELECT.

- Arnie

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