asp.net 更新数据时报错：Database operation expected to affect row s but actually affected row s . Data may have been modified or deleted since entities were loaded 原因：Check your object, does it pass Primary K ...
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asp.net 更新数据时报错：Database operation expected to affect 1 row(s) but actually affected 0 row(s). Data may have been modified or deleted since ...
EF6进行Insert操作的时候提示错误 Store update, insert, or delete statement affected an unexpected number of rows (0). Entities may have been modified or deleted ...
1、报错环境 目的 更新 model, 但是更新之前 根据外键 我查询了 是否已经存在： dbContext.model.Where(d => d.HotelId == hotelId) ...
Background: In my scenario. When we do transform record, some time NetSuite throw (USER ERROR) error message about: The record has been deleted ...
版本： django：2.1.7 python：3.7 mysql：5.7.25 今天在用django做mysql备份和恢复的时候，备份没问题，恢复时出现如下错误提示： The request's session was deleted before the request ...
一、问题描述 在做 数组、列表、集合遍历时，可能我们会遇见这个问题。Collection was modified;enumeration operation may not execute ，翻译的中文意思：集合已修改；枚举操作可能无法执行。 二、解决方案 就是在遍历时，不要改变 ...
今天在使用foreach循环遍历list集合时，出现Collection was modified; enumeration operation may not execute.这个错误，查了半天才发现是当想要修改list集合时，不能使用foreach，因为foreach是取只读的，在取的时候数据 ...
今天排查项目问题，发现这样一个异常： org.springframework.orm.ObjectOptimisticLockingFailureException: Object of ...
