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Filter Datasource before populating Combobox


I have an app I've built that currently pulls a data from an excel file on sharepoint. The user uses a combobox to select the item they want to view. Due to the large data set I want to filter the data before it reaches the combox. 

The connection is called dbCameras, comboc box is called cbModel

currently the combo box items looks like this

cbModel.Items:  dbCameras

I want it to be filtered by the Manufacture field in the data. I was thinking this:

cbModel.Items: Flter(dbCameras, dbCameras.Manufacture = "Sony")


I can't seem to get it to work. Any ideas how I can do this?

Super User
Super User

Hi @MHuddlestone ,


When utilising column to filter records, you don't need to prefix it with datasource. Use the following function.


cbModel.Items: Flter(dbCameras, Manufacture = "Sony")

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