in one of my flows I want to use the dashboard drop down node (ui_dropdown) to select a number from 1 to 45. After the number is selected it is then read to flow.set to preserve that number across reboots. The help panel says that by "setting msg.payload to one of the item values will preset the cho…

This is what I used to pre-fill a drop-down menu. [image] How To Initial Form UI Dashboard Hi How To initialize Form Example : When Start Program TextInput In Form Value Initial = Hello World. [phot1]

My node doesn't appear to have the same fields as your picture? Is is possible I'm mistaken that this is a core node? [drop down]

I think my flow used the ui_dropdown widget. You need to remove all the Options that you have in your screen-shot as they will be populated by the flow.

just removed all options re-deployed flow and that didn't seem to work either

You need to click the 'Inject' node, then look in the Dashboard at the dropdown. Note: You won't see the values in the widget. You'll have to change the input name-value pairs as my example was for a weather station at home.

when I inject the number then look in the dashboard it has no effect, I have 3 inject nodes set to msg.payload with number and they are set 1, 2, 3 When I click the inject node the dashboard does not change

Ok, so in desperation I totally rebooted my Pi and it now seems to work. At least for now. No idea why but thank you for your help. [edit] that was at least the third reboot too [edit again] i think that was multiple reboots, I'm so confused now I think I'll go get a beer

Having a beer sounds like a good plan. Did you try my flow??? Sometimes you need to clear the brower's cache by holding down the Control Key and clicking F5.

[image] dynamicdave: a beer sounds like a good plan ... and sometimes clearing the brain cache helps too :slight_smile: :beers:

Node-RED

Node-RED Forum

Pre-populate drop down dashboard node

General

dynamicdave 9 January 2021 14:19 2

This is what I used to pre-fill a drop-down menu.

Topic		Replies	Views
How to populate dashboard dropdown button dynamically General	23	21022	4 November 2022
Dropdown with preset option Dashboard	4	220	10 May 2024
Inject Dropdown node on web page refresh on Node-RED Dashboard Dashboard	6	763	23 May 2022
UI dropdown - set preselected option Dashboard	16	11001	14 March 2023
UI Dropdown - Populating Data General	27	20758	30 July 2021

Copyright OpenJS Foundation and Node-RED contributors. All rights reserved. The OpenJS Foundation has registered trademarks and uses trademarks. For a list of trademarks of the OpenJS Foundation, please see our Trademark Policy and Trademark List. Trademarks and logos not indicated on the list of OpenJS Foundation trademarks are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.

Pre-populate drop down dashboard node

Related topics