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MsMicrosoft
New Member

Cascade dropdowns in model driven apps

I have these two entities who are related (one order: multiple products):

 

Order

OrderId

Facility

Owner (Values come from the Owners entity, based on the Facility)

 

Product

Order

ProductType (I need these values to be filtered based on the facility from Order entity)

 

I created a model driven app and it works great; however how can i filter the ProductType values based on the Facility choosen?

I can filter the owner values based on facility because they are part of the same entity (using the related records filtering property of the field); but the ProductType is in a different entity than the Facility field; how can i filter values to create a casacde dropdown?

 

thanks

3 REPLIES 3
Drrickryp
Super User II
Super User II

Hi @MsMicrosoft 

I have been experimenting with Model driven apps for a few months but I am not an expert.  I don't believe that you can use cascading dropdowns.  However, you can use a Subgrid on a form to show related items in a different entity as long as the child entity (Products) uses a many to one relationship to the parent (Orders).

Anonymous
Not applicable

Would you mind linking to an article or video that has instructions for this? Thanks!

Hi @Anonymous 

I have found very little on this feature and most of what I learned was by trial and error. This is a reference starting point. https://docs.microsoft.com/en-us/powerapps/maker/model-driven-apps/sub-grid-properties-legacy. I get the feeling that embedding a canvas app into a MDA is probably the way to go but I haven't gotten around to exploring that.  There are quite a few references for this in recent months and a few videos as well.  

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