Retrieve data from csv very slow and time consuming

[TIMAI2]

As suggested, use list pickers instead of spinners, these offer a search/filter bar, alternately you can use a text box and some blocks to filter.

Revival - Italo's Custom Listview Filter Bar - with Clock (and now TextChanged)

With all links to Italo's guide on the above lost from appyBuilder and Thunkable, I thought I would put up a remix of the original blocks, with an aia project example. This uses a clock timer instead of a textbox extension. The only change I have made is to add an extra conditional check: does the last textbox content equal the current textbox content (if so, do nothing), to cut down on unnecessary processing. This also ensures that listview selections above the last one can be made. Clock timer…

Not sure why you would use a tinywebdb for anything in relation to this.

@ABG means you are ok to carry on if you are not targeting iOS.