How to view and control a VI remotely from a web browser

Hello,
I want to see and control a vi using a web browser.
I followed the steps recommended in help and I can see and control the front panel of my vi.
So far everything is OK.
First problem:
A button activates a simple window display a message (One Dialog button). The dialog box opens on the server computer but can not be seen in brouser and therefore can not be closed remotely.
The second problem:
Another button activates another window (vi) loaded dynamically. The VI is reentrant and is open with option 0xC0 ("Enable simultaneous calls on reentrant VIs" and "Prepare to call and forget"). By activating the button, it opens multiple instances of the VI properly and runs on the server computer, but their are not visible to the client computer.
I created, after the same algorithm, corresponding HTML file for the dynamically loaded VI and it is saved in the same place with the main program HTML file.
What to do as the client computer can operate main VI and adjacent windows from the browser?
Thanks,
Cristian
Solved!
Go to Solution.

Another option would be to use something like WebSockets and have your LabVIEW application communicate with a web-page you've designed/developed with Javascript. Then you can use things like floating windows/dialogues with jQuery. It's a lot of work though as you'll need to define your websockets API for talking to your application and then develop the web-page in HTML/CSS/JavaScript for your user interface.
Unfortunately, even browsers are moving away from pop-up windows (chrome and various addons tend to block popups and they don't play nice with mobile devices). You can have semi-dialogue-like pop-ups though with modal dialogues: https://jqueryui.com/dialog/#modal-message Note though that they are contained within the browser window.
My advice would be to think about creating a custom UI in LabVIEW that works with a single pane / panel (you can use tab controls!) and use that with remote front panels. Then decide if you want to invest the time/effort in a WebSockets/Web Services approach with your own browser-based UI. Note as well that remote front panels don't work in Chrome properly any more.
Certified LabVIEW Architect, Certified TestStand Developer
NI Days (and A&DF): 2010, 2011, 2013, 2014
NI Week: 2012, 2014
Knowledgeable in all things Giant Tetris and WebSockets

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