Subject | Re: [IBO] Error reading TIB_Connection->Characteristics in C++Builder 5 |
---|---|
Author | Helen Borrie |
Post date | 2004-04-17T23:40:23Z |
At 07:01 PM 17/04/2004 +0200, you wrote:
test that, why not simply initialise the ver variable to avoid getting an
AV on the string assignment?
Helen
>Hi to all,Are you trying to read this property before the database is connected? To
>i try to assign MyTIBConnection->Characteristics.dbVersion to a
>AnsiString variable but at run time appear an Error like this:
> Access violation at address xxxxxx in module 'VCL50.BPL'. Read of
>address xxxxx.
>
>If i debug the application i can inspect correctly the property
>MyTIBConnection->Characteristics and see all the values for dbVersion,
>dbForced_Writes, dbODS_Minor_Version, dbODS_Version, etc...
>
>Here an example of my C++ code:
>
> TIB_Connection * AConnection = MainDM->ConnectionIdeaDB;
>
> String ver;
> ver = AConnection->Characteristics.dbVersion; <== Here
>appear the error!
>
> DBServer->Caption = "Database Server: " + ver;
>
> etc...
test that, why not simply initialise the ver variable to avoid getting an
AV on the string assignment?
Helen