Is it possible to do a live character count using a text box and label component inside of a business rule that counts characters as they are being typed into a text box component that is used in a dashboard? The contents of this text are written to a relational table but as for the character count, I want to do that live BEFORE I write the contents to a relational table. This is on an 8.4 application.
AFAIK not possible. OneStream is proprietary UI components that lack the discreet event handling needed for your requirement. You would have to make a user initiated button click round trip to a business rule for each character to accomplish this.
Instead consider placing a label near the textbox informing the user of the character limit. If exceeded on save, send back a message through the XFSelectionChangedTaskResult object in your Dashboard Extender code that handles this event.
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