32bit to 64bit conversion

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I created an application using vs 2008 on vb.net which is running quite well on 32bit systems.
But it failed to work on 64 bit systems.

What should I do?

I used .net2 and sql server 2005.

I want to make it available on 64bit systems also.

Posted 10-Jan-11 5:16am

juli Paris

Updated 14-Jan-11 1:25am

Dalek Dave

v3

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Dave Kreskowiak 10-Jan-11 11:58am

You'll have to define "failed". What happened? What was the error message? What was expeced to happen? What does the code look like at the point of failure?

Dalek Dave 14-Jan-11 7:25am

Edited for Grammer, Syntax and Readability.

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#realJSOP · Answer 1 · 2011-01-10T05:22:00

Solution 1

What is your compiler platform target? Back a couple of years ago, we had to compile our apps for x86 (as opposed to "Any CPU") because of a 3rd party assembly we were using. Once we did that, it worked properly, even on 64-bit systems.

Posted 10-Jan-11 5:22am

#realJSOP

Espen Harlinn · Answer 2 · 2011-01-10T05:25:00

Solution 2

If you are using any ocx'es those need to go, or you need replacements.

The ocx'es are usually natively compiled dlls.

Most code for vb.net should work quite well as 64-bit applications, so it's probably only a small snag ...

Regards
Espen Harlinn

Posted 10-Jan-11 5:25am

Espen Harlinn

Comments

#realJSOP 10-Jan-11 11:40am

Don't you ever sleep? What time is it where you are? :)

Espen Harlinn 10-Jan-11 11:42am

Local Time: 17:39 Bergen, Norway

dan!sh 10-Jan-11 14:51pm

That is the side effect of improper sunrise sunset times I believe. :)

You never know when to sleep and when to get up.

Espen Harlinn 10-Jan-11 15:09pm

Proper beeing UTC, I presume :)
http://en.wikipedia.org/wiki/Coordinated_Universal_Time

Asutosha · Answer 3 · 2011-01-14T00:43:00

Solution 3

please change the "Traget Platform" to 64 in Windows Installer
Alternatively you can set Any CPU

Posted 14-Jan-11 0:43am

Asutosha

Comments

Marian Malone 3-Apr-21 20:55pm

I am also interested in this thread as I have a database that is protected. I bought it years ago from the guys who ran the DataPig Technologies website. It is a file directory and I really hate to lose it. I am running a 64bit Windows 10 and Office 2019 ProPlus. Are there any programs out there that will help me bring it into the 21st Century?
Marian