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Extender Conditional Window

I would like to track some additional Vendor Details but only for a certain Vendor Class. In other words, when a user is completing the Vendor Maintenance window, if they select Vendor Class = XXX, then and only then does the new Extender Window open prompting them to complete some additional fields. I have tried to link my new Extender window to the Vendor Class using a Window Group, but I am not getting the expected results. I can fill in the new Extender Fields, but the system is not prompting me when I input the appropriate Vendor Class, it accepts the data regardless of which Vendor Class is selected and it never prompts me to complete the Extender window (I have to manually select it from the "Additional" Toolbar). We are using GP2015. Has anyone had success getting the Window Group functionality to work in Extender for GP2015? Is there a better way to get the same results?

Extender works using the Additional menu option for your extended data. What you are describing would require logic that knows when a field is updated, and this would require a Visual Studio add-in or a Dexterity customization.

Both would look at the vendor class onChange event, and determine by the value of the vendor class whether to show the additional data entry window.

In this scenario, I would not use extender at all since the data entered is conditional on values in the parent form. Controlling data entry for invalid entries as you point out is a problem. Writing extra data to SQL for the vendor information would be trivial, and far less complicated than reading from the Extender data tables.

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