Blazor P2P #27 — The Purchase Order Aggregate: The Line That Tracks Three Quantities

Lesson 27 of Procure-to-Pay: Enterprise Blazor with Clean Architecture. Covers §5.4 — The Domain Layer. Chapters 0:00 Six Statuses, and Two of Them Are About Receiving 0:46 The Line Tracks Three Quantities, Not One 1:28 Money Arithmetic, Three Ways 2:09 RecordReceipt — Invariant 11, With Tolerance 2:57 RecordInvoiced — the Quantity Leg of the Match 3:40 ReverseReceipt, and the Floor at Zero Built with Visual Studio 2026, .NET 10, C# 14, Blazor Web App (Auto), EF Core 10, SQL Server and Radzen Blazor Components. Get the book — "Procure-to-Pay" by Benjamin Fadina: https://benjaminsqlsever.gumroad.com/... Source code: https://github.com/benjaminsqlserver/P2P More .NET and Blazor tutorials:    / @benjaminfadina3338   #Blazor #Radzen #dotnet #CleanArchitecture #CQRS #EFCore #CSharp