Remigiusz Zalewski | Become A Better .NET Software Engineer https://remigiuszzalewski.com/blog Blog about .NET/C#/Angular/React/Azure en-us remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) Thu, 23 Jul 2026 00:00:00 GMT https://remigiuszzalewski.com/blog/ef-core-optimistic-concurrency-control-aspnet-core Implementing Concurrency Control in ASP .NET Core (Step-by-Step) https://remigiuszzalewski.com/blog/ef-core-optimistic-concurrency-control-aspnet-core Two requests read the same bank account balance and both write back - one update silently disappears. Fix it with an EF Core rowversion, a caught DbUpdateConcurrencyException, and a bounded retry. Thu, 23 Jul 2026 00:00:00 GMT remigiuszzalewski.business@gmail.com (Remigiusz Zalewski) .netcsharpentity-frameworkefcoreaspnetcoreconcurrency