依賴注入時出錯：Cannot consume scoped service 'xxx' from singleton 'yyy'

本文轉載自查看原文 2021-08-06 21:25 257 .netcore

錯誤：

System.AggregateException:“Some services are not able to be constructed (Error while validating the service descriptor 'ServiceType: Microsoft.Extensions.Hosting.IHostedService Lifetime: Singleton ImplementationType: WebApplication9.Models.BgServerTest': Cannot consume scoped service 'WebApplication9.Models.Imywork' from singleton 'Microsoft.Extensions.Hosting.IHostedService'.)”

InvalidOperationException: Cannot consume scoped service 'WebApplication9.Models.Imywork' from singleton 'Microsoft.Extensions.Hosting.IHostedService'.

解決辦法：

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