WebSep 28, 2024 · 答案: 通常是因為以下原因之一:. 實體集從數據庫視圖映射. 自定義數據庫查詢. 數據庫表沒有主鍵. 執行此操作後,您可能仍需要在停止獲取錯誤之前更新Entity Framework設計器(或者刪除實體然後添加它)。. 869. 2024-09-28 13:11. 如果您仍然遇到麻煩,請確保還將 ... WebMicrosoft.EntityFrameworkCore.DbUpdateException: 'An error occurred while updating the entries. See the inner exception for details.'SqlException: Invalid ob...
EntityFramework SaveChange()時の例外発生時にSQLのエラーを表 …
WebUpdateException-更新条目时出错分析. 不屁话1张图搞定:. 我是这个错:. 2015-03-27 00:25:00,493 [9] ERROR log - System.Data.Entity.Infrastructure.DbUpdateException: 更新条目时出错。. 有关详细信息,请参阅内部异常。. ---> System.Data.Entity.Core.UpdateException: 更新条目时出错。. 有关详细 ... WebDbUpdateException (String) 初始化 DbUpdateException 类的新实例。. DbUpdateException (SerializationInfo, StreamingContext) 从序列化窗体初始化类的新实例 … dmk investments llc
DbUpdateException 建構函式 (Microsoft.EntityFrameworkCore)
WebDec 29, 2014 · Hi! I am creating an ASP.NET Web Form with Azure SQL Database, hosted by Azure. I created some tables in the database. I've added classes for each table in the "Models" folder. I also added "new scaffolded item", so it had automatically created each folders own forms. In the Insert.aspx.cs file ... · It looks like the EF object's property is … WebJan 13, 2024 · How to catch DbUpdateException Unique exception? Ask Question Asked 2 years, 2 months ago. Modified 2 years, 2 months ago. Viewed 2k times 3 I'm inserting a Tag when it already exists into the Tag table, hence it returns the message, Message "Cannot insert duplicate key row in object 'dbo.Tag' with unique index … http://www.adabai.com/questions/a27231562171521.html dmk investment limited