[DUG] ClientDataset and Key Violation

[Matthew Comb]

Are you absolutely sure you are actually picking up the new version? 

 

The midas dll registers itself in the registry, and merely putting the midas
dll in the same dir as your application or even Delphi may not do the trick.

 

Matt.

 

 

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From: delphi-bounces at ns3.123.co.nz [mailto:delphi-bounces at ns3.123.co.nz] On
Behalf Of Rohit Gupta
Sent: Tuesday, 16 January 2007 1:00 p.m.
To: NZ Borland Developers Group - Delphi List
Subject: Re: [DUG] ClientDataset and Key Violation

 

The same version of midas works everywhere else.  Using the latest midas
(10.0) also produces the error.

Matthew Comb wrote: 

You need build 668 to be exact, 666 was the last version to come with
Delphi.
 
Regards,
 
Matt.
 
-----Original Message-----
From: delphi-bounces at ns3.123.co.nz [mailto:delphi-bounces at ns3.123.co.nz] On
Behalf Of Jeremy North
Sent: Tuesday, 16 January 2007 12:09 p.m.
To: NZ Borland Developers Group - Delphi List
Subject: Re: [DUG] ClientDataset and Key Violation
 
Hi Rohit,
 
There is a bug in one of the versions of the midas dll which causes an
error when you have inserted over 35 records without applying updates.
I can't remember the exact number.
 
If you go to Dan Miser's website he generally has a copy of the latest
DLL there to download. They are fully backwards compatible and has had
a number of fixes. Perhaps the DLL versions are different between
workstations.
 
You could also try compiling you app with MidasLib in the uses clause
- which removes the need for deploying the DLL (but means you can't
use newer versions of it). If you aren't already doing this. I believe
MidasLib is in D7.
 
cheers,
Jeremy
 
On 1/16/07, Rohit Gupta  <mailto:rohit at cfl.co.nz> <rohit at cfl.co.nz> wrote:
  

Using D7.  Only two workstations at one site out hundreds have this
problem.  The Clientdataset bombs out when being loaded with data
manually from a memory list.  It is not consistent.  They unique key
constraint is not violated.
 
I have googled it and looked up many entries - none of them are relevant.
 
Any ideas anyone ??
 
 
 
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-- 

Rohit Gupta

B.E. Elec.   M.E.   Mem IEEE    Associate IEE

Technical Manager

Computer Fanatics Limited

 

Tel     +64 9 4892280

Fax    +64 9 4892290

Email   <mailto:rohit at cfl.co.nz> rohit at cfl.co.nz

Web     <http://www.cfl.co.nz/> www.cfl.co.nz

 

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