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Dynamically update data table column options in a dropdown

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@dhhagan wrote:

I have a data table that has a column with a dropdown for COM ports, which are dynamically read in using pyserial (this is a Dash DAQ application). It’s pretty easy to set the available comports on startup - but I haven’t successfully been able to update the dropdown options dynamically. Has anyone been successful with something like this?

It seems like a few others have asked similar questions without any substantive replies and/or final resolutions:

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