Solved

TZConnection and TIBDatabase they do not want to work together

Posted on 2007-12-04
1
1,157 Views
Last Modified: 2013-11-23
Hello Experts :-)

I use TZConnection and TIBDatabase on my TDataModule.

TZConnection is responsible for connection for all my Zeos components.
TIBDatabase is used only for one TIBEvents.

This is what I actually do:

    DMabc.ZConnectionMH.Database := PathToFile;
    DMabc.IBDatabase1.DatabaseName := PathToFile;

    try
      DMabc.ZConnectionMH.Connected := True;
      DMabc.IBDatabase1.Connected := True;
   except
   end;

It used to work fine before I had to re- install Delphi and WinXP.

Now I get such an error:

SQL Error: I/O error for file: "my database file" Error while trying to open file The process cannot access the file because it is being used by another process.

These are my components' properties:

object ZConnectionMH: TZConnection
  Protocol = 'firebird-1.5'
  Database = 'path to gdb file'
  User = 'sysdba'
  Password = 'masterkey'
  ReadOnly = True
  TransactIsolationLevel = tiReadCommitted
  Left = 36
  Top = 8
end

object IBDatabase1: TIBDatabase
  DatabaseName = 'path to gdb file'
  Params.Strings = (
    'user_name=sysdba'
    'password=masterkey')
  LoginPrompt = False
  IdleTimer = 0
  SQLDialect = 3
  TraceFlags = []
  Left = 33
  Top = 72
end

What do I do wrong?
Why it used to work and now doesnt?

Thank you very much :-)

panJames
0
Comment
Question by:panJames
[X]
Welcome to Experts Exchange

Add your voice to the tech community where 5M+ people just like you are talking about what matters.

  • Help others & share knowledge
  • Earn cash & points
  • Learn & ask questions
1 Comment
 
LVL 21

Accepted Solution

by:
ziolko earned 500 total points
ID: 20409793
looks like your TZConnection opens db file with exclusive lock, check if there's some property that controls locks

ziolko.
0

Featured Post

Free Tool: Path Explorer

An intuitive utility to help find the CSS path to UI elements on a webpage. These paths are used frequently in a variety of front-end development and QA automation tasks.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Creating an auto free TStringList The TStringList is a basic and frequently used object in Delphi. On many occasions, you may want to create a temporary list, process some items in the list and be done with the list. In such cases, you have to…
Introduction Raise your hands if you were as upset with FireMonkey as I was when I discovered that there was no TListview.  I use TListView in almost all of my applications I've written, and I was not going to compromise by resorting to TStringGrid…
Finds all prime numbers in a range requested and places them in a public primes() array. I've demostrated a template size of 30 (2 * 3 * 5) but larger templates can be built such 210  (2 * 3 * 5 * 7) or 2310  (2 * 3 * 5 * 7 * 11). The larger templa…

710 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question