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Article #559

Re: Null database field testing in Delphi 2005

#559
From: Ted Hale
Date: Wed, 05 Jan 2005 18:19
20 lines
1572 bytes
Worked perfectly!

Ted

"Johannes Bjerregaard" <jozzb@hotmail> wrote in message 
news:41dc21a6$1@newsgroups.borland.com...
> Ted Hale wrote:
>
>> In Delphi 5 I would test for a Null value in a database field using:
>>
>> if (dataSet['dataField'] = Null) then
>>     do something;
>>
>> This worked fine.  In Delphi 2005 the compiler reports 'Null' is an
>> undeclared identifier.  Can anyone tell me what replaces this in
>> 2005?  Thanks for any help.
>>
>> Ted
>
> Add Variants to the uses clause of the units where you use Null. 
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From: "Ted Hale" <thale@comcast.net>
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Subject: Re: Null database field testing in Delphi 2005
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