随笔分类 -  ef core

ef core报错“A second operation was started on this context instance before a previous operation completed. This is usually caused by different threads concurrently using the same instance of DbContext.”
摘要：环境： asp .net core 6 ef core 代码报错： #region 删除教师 [HttpPost] public async Task<IActionResult> Delete(int id) { var teacher = _teacherRepository.FirstOrDe 阅读全文
posted @ 2022-07-13 10:51 lanrenka 阅读(2127) 评论(0) 推荐(0) 编辑

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