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Article #2581

EVariantTypeCastError

#2581
From: Hans J�nsson
Date: Wed, 16 Apr 2003 19:48
15 lines
1793 bytes
Hello!
I haven't worked with MS Access before but now I have a database in Access
and I
have created a simple program connecting to it with ADO components. I have a
table, a connection and a data source. On the form a grid. It compiles and
build without a hitch, but when I run the program I get Project ADOProj.exe
raised exception class EVariantTypeCastError with message ' Could not
convert variant type (Null) into type (String). The arrow in front of the
"blue band" points at the line : TDataModule(Owner), the last part of the
fastcall line that begins the data module. I looked up the error without
getting much wiser. And if I click OK on the message box and Run|Run the
program runs. Any ideas on what I can have missed out on? I am not used to
work with connection strings (except in ASP). greetings hans. I should add
that the program runs without problems from Run on the Start menu of Windows
XP Pro. greetings hans
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From: "Hans J�nsson" <042140773@telia.com>
Newsgroups: borland.public.cppbuilder.database.ado
Subject: EVariantTypeCastError
Date: Wed, 16 Apr 2003 21:48:58 +0200
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