Cannot retrieve Collection attached to a Droplist

Stephen Cena

I'm developing a Form to allow batch Quantitiy Moves based on a bar code scan (see above). The "Next Location" Drop List has a list source of IDO COllection SLItemLocs w/ a custom filter attached. I want the Drop List to dynamically change based on the Item that was scanned so it is populated with all of the valid locations the Item could be moved to.

When the scan takes place, I have a line of code in the event that has this:

ThisForm.Components["dropListNextLoc"].IDOCollection.<rest of line here>

When the Form gets to this point, it says that it's not tied to a valid object. Is this how you get the IDO Collection for a Drop List? The Primary Collection is my own collection. I don't see how adding a Secondary Collection to the Form would help, but I'm open.

Any help would be appreciated.

BradleyBrown

One way could be to use a variable to filter the collection driving the droplist. When an item is selected, update the variable. In form script code as part of a validator or data change event, you can set the component's as invalid and that will force the framework to regenerate the droplist when the user clicks it the next time.