我想用在EF實體模型腳手架創建MVC 5控制器和我得到這個錯誤:當創建一個控制器顯示的味精
'Unable to retrieve metadata for 'TSystem.Models.YSummary'. One or more validation errors were detected during model generation: TSystem.Service.YSummary:EntityType 'YSummary' has no key defined. Define the key for this EntityType. YSummaryDBSet : EntityType: Entity Set 'YSummaryDBSet' is based on type 'YSummary' that has no keys defined.
這是不是一個壞的問題。只有一點生疏的英語問。人們不應該把它投下來。 – Emad