Template
Shop Cart 7.1 - Totals
Order Sub-Total + Discount = Grand Total
The purpose of this app is to show the changes you need to make to implement a Sub-Total, Discount, and Grand Total for your order
1) Create your Sub-Total column (using a list-dereference to SUM() the totals from the [Related Order_Details]
2) Add some discount columns to your Order table
3) Make a Grand Total field
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Also see:
tablet mode & fullscreen mode
How we built this app
This app demonstrates how you can create a discount system inside your app.
A key core skill is demonstrated in this app:
- List Dereferences
- Using a list-deref in conjunction with a SUM() is how the sub-total is achieved
Knowing how to do this sort of derivative stuff is KEY to creating an efficient app
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Build Video:
This is a preview of the data sets used in the app.
Data
This is a high-level model of both the data entities and the UI elements in the app.
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