June 2003
Intermediate to advanced
800 pages
34h 20m
English
Content preview from Microsoft® Visual Basic® .NET Programmer's CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Prevent Duplicate Entries for Serviced Components
Problem
When you update a serviced component, it’s registered in the COM+ catalog with a different type library and component GUID.
Solution
Specify the version number of your assembly and GUID of your classes using attributes.
Discussion
By default, every time you register a serviced component, a new type library will be generated, and all the classes it contains will be given new GUIDs. This leads to duplicate entries in the COM+ catalog, which can cause significant confusion. Fortunately, resolving these problems is easy.
The first step is to fix the version number of your assembly. Microsoft Visual Studio .NET creates all applications with the following attribute in the AssemblyInfo.vb file:
<Assembly: ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.