My Visual Database — Recommended way to allow users to update a distributed MVD app?

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (DriveSoft) — Tue, 05 May 2020 09:40:52 +0000

anakin wrote:

DriveSoft,
Thanks!
How to adjust number of days for trial, I cant seem to tweak/change it in the script in your example:
http://myvisualdatabase.com/forum/viewtopic.php?id=1434

In this line

if not reg.ValueExists('StartDate') then reg.WriteDate('StartDate', Now+30); // trial period is 30 days

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (ehwagner) — Sat, 02 May 2020 02:46:47 +0000

Anakin,
Are you asking how to change the trial date after your program is initially run and the trial date has already been set in the registry? If so, then one way to reset the trial is to delete the entry in the registry and rerun your program. But you do not want to share that with an end user or else they will reset the trial on a permanent basis. Another way is to write a separate program which all it does is set the date in the registry.

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (anakin) — Fri, 01 May 2020 02:20:51 +0000

DriveSoft,

Thanks!

How to adjust number of days for trial, I cant seem to tweak/change it in the script in your example:
http://myvisualdatabase.com/forum/viewtopic.php?id=1434

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (DriveSoft) — Mon, 27 Apr 2020 09:08:55 +0000

anakin wrote:

hi,
how to make a a trial-period (ex. 30-days) for a finished mvd application when given to end-user?
thanks!

http://myvisualdatabase.com/forum/viewtopic.php?id=1434

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (anakin) — Mon, 27 Apr 2020 08:37:22 +0000

hi,

how to make a a trial-period (ex. 30-days) for a finished mvd application when given to end-user?
thanks!

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (dbk) — Fri, 26 Jul 2019 14:19:22 +0000

Thank you very much for your explanation ehwagner, thank you for the tip on Enigma Virtual Box to hide folders and files, this would have been the second issue i wanted to ask :-)

I'm going to try and test it out!

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (ehwagner) — Tue, 23 Jul 2019 03:34:39 +0000

I use Astrum Installer and yes it is free. No trial, no watermark. Actually I use the combination of Enigma Virtual Box (to hide folders and files) and the Astrum Installer to install projects on end users computers. It is fairly easy to use. You can create simple installs or you can get as complex as you need. There are wizards to help get you started. You can update registry keys if you need. There are embedded actions which you can perform during or after installs. It can also create uninstalls to be delivered to end users.

There are two types of installs, an original install (which would include an empty database) and an update install which you can setup to upgrade your end users software without touching the database. If you need to update your end users database because there are new fields, then you can do what I do is write an MVD program (with SQL ALTERS) and include that project as a subfolder to the main app folder in the upgrade install. You can then instruct Astrum installer to run that database upgrade and immediately afterwards delete it from the end users system. They don't even know that it even ran. All this can be done with virtually no interaction from the end user other than running the install and click on the NEXT buttons which there are very few. It's pretty fast too.

DBK - Hope this helps.

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (davem) — Sun, 21 Jul 2019 18:28:39 +0000

Astrum is now free. The 3 months is actually forever now. I never got a watermark in over 3000 deployments

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (tcoton) — Fri, 19 Jul 2019 20:57:55 +0000

Well, looking on Astrum website, they state:

Restrictions
You're authorized to use the program for a maximum of 3 months. Files created with the test version may not be distributed and a watermark will appear on the installation menus.

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (davem) — Fri, 19 Jul 2019 20:48:48 +0000

astrum installer is free, been using it since it was sold for 69.00. It is great.
probably easier to send everything except SQLite db, so if any forethought, you may already have the correct fields in the app? If not disregard my thoughts. .

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (dbk) — Thu, 06 Jun 2019 20:42:33 +0000

tcoton wrote:

https://www.codeproject.com/Articles/22 … re-Utility
https://www.sqlite.org/sqldiff.html
https://gadgetxplore.com/dev-tools/sqlite-diff/
http://www.dbsolo.com/schema_comparison.html

Thank you tcoton. I will experiment a bit

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (tcoton) — Thu, 06 Jun 2019 16:56:09 +0000

https://www.codeproject.com/Articles/22 … re-Utility
https://www.sqlite.org/sqldiff.html
https://gadgetxplore.com/dev-tools/sqlite-diff/
http://www.dbsolo.com/schema_comparison.html

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (dbk) — Thu, 06 Jun 2019 15:29:59 +0000

Thank you tcoton & lorenzo620 for the tips & explanation. Just curious, is there an easy way to compare two sqlite db schema's to know what has changed? So i could build the bat from there. I assume it is possible to alter the db without dataloss.

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (lorenzo620) — Thu, 06 Jun 2019 08:44:57 +0000

yes i know , but there are other software that does the same thing but free

Re: Recommended way to allow users to update a distributed MVD app?

null@example.com (tcoton) — Thu, 06 Jun 2019 03:17:36 +0000

Advanced installer does not come cheap! Ouch!