報錯環境 目的 更新 model, 但是更新之前 根據外鍵我查詢了 是否已經存在： dbContext.model.Where d gt d.HotelId hotelId .FirstOrDefault 如果 存在 就更新， 不存在就Add 存在 時 去 更新： dbContext.Entry model .State EntityState.Modified dbContext.SaveCh ...
2017-03-08 11:53 0 1352 推薦指數：
EF6進行Insert操作的時候提示錯誤 Store update, insert, or delete statement affected an unexpected number of rows (0). Entities may have been modified or deleted ...
asp.net 更新數據時報錯：Database operation expected to affect 1 row(s) but actually affected 0 row(s). Data may have been modified or deleted since entities ...
asp.net 更新數據時報錯：Database operation expected to affect 1 row(s) but actually affected 0 row(s). Data may have been modified or deleted since ...
問題描述 Store update, insert, or delete statement affected an unexpected number of rows ({0}). Entities may have been modified or deleted since ...
1、報錯信息 在使用spring data neo4j 查詢neo4j中的數據時，我用了自定義的查詢語句，即 執行程序后，報錯如下： 報錯信息看得我很迷，不知所雲。。。 2、原因&解決方案 經過一波面向谷歌編程后，=_=！我悟了！ 原來是我自定義 ...
Background: In my scenario. When we do transform record, some time NetSuite throw (USER ERROR) error message about: The record has been deleted ...
查詢輔助函數 $this->db->insert_id() 這個ID號是執行數據插入時的ID。 $this->db->affected_rows() Displays the number of affected rows, when doing "write ...
今天在學習android數據庫，運行程序的時候報錯，錯誤是：Entities and POJOs must have a usable public constructor. You can have an empty constructor or a constructor whose ...
