[Gambas-user] Gambas Web-Form-Apps

Tony Morehen tmorehen at ajm-software.com
Thu Dec 3 19:09:06 CET 2020

You may need to explicitly install it via your package manager.

On 2020-12-03 6:16 a.m., Benoît Minisini wrote:
> Le 03/12/2020 à 11:56, Claus Dietrich a écrit :
>> Hi
>> Although I gained some knowledge about Gambas over the years, I
>> failed to write a Web-App with Gambas. My aim: Writing a Web-Form-App
>> which provides a GUI on a Web-Browser just like those GUIs you get,
>> when you connect with a web-browser to a router or NAS for
>> configuration. My Web-applications would be purely technical, which
>> means, that I want to manage (control) some equipment through a
>> serial interface and this shall be possible from any PC/ mobile phone
>> in my house.
>> So I started a Web-Form-App and added gb.net for the serial interface
>> (the IDE didn't provide any warning). To my disappointment I found,
>> that SerialPort-objects can be generated with a New-constructor, but
>> they didn't work as usual. Right after generating the
>> SerialPort-object I was able to send something over the RS232
>> interface, but any later attempt raised an "Null object" error.
>> What is wrong? Did I make any mistake? Are Gambas Web-Apps limited to
>> database applications? Are Web-Form-Apps limited to controls
>> designated as "Web"-controls? Are there any workarounds? Would it be
>> possible to include gb.net into a Web-Form-App in the future if not
>> possible today?
>> I have zero experience with web apps and would be grateful for any
>> reply.
>> Best regards
>> Claus
>> P.S: I was using Gambas V3.15.2 with the embedded server.
> Where is that project that does not work?
> Do you use 'gb.web.gui' ?
> You must use a real http server. The embedded http server is for 
> debugging, it try to serialize requests, so some things may not work 
> with it.
> Regards,

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