Web我有一个通用存储库，我在Web API控制器中一直在实例化了一段时间. 这是我的控制器过去的样子: WebJan 10, 2024 · AsNoTracking (). ToList (); break ; case TestCase. WhereInclude : posts = context. Posts. Include ( p => p. Blog ). Where ( p => p. Blog. BlogID > 100 ). ToList (); break ; case TestCase. NoTrackingWhereInclude : posts = context. Posts. Include ( p => p. Blog ). Where ( p => p. Blog. BlogID > 100 ). AsNoTracking (). ToList (); break ; } } timer.

用上这几种.NET EF Core性能调优，查询性能飙升 - 简书

WebAsNoTracking (IQueryable) Returns a new query where the entities returned will not be cached in the DbContext or ObjectContext. This method works by calling the AsNoTracking method of the underlying query object. If the underlying query object does not have an AsNoTracking method, then calling this method will have no affect. C# WebAsNoTracking 方法来完成. 例如，这将从数据库中提取页面和关联的节图，并关闭跟踪。实际上，这是一个克隆，就好像您将其添加到页面DbSet并保存它将在数据库中创建一个全新的对象图一样。即，新页面实体和相应的新章节实体。注意，您不需要调用 Clone 方法 fishing tool caddy for boat

Tutorial: Update related data - ASP.NET MVC with EF Core

WebJan 12, 2024 · No tracking queries are useful when the results are used in a read-only scenario. They're quicker to execute because there's no need to set up the change … http://duoduokou.com/csharp/37724157238128416808.html WebOct 14, 2024 · This may result in better performance when querying for large numbers of entities in read-only scenarios. The techniques shown in this topic apply equally to models created with Code First and the EF Designer. A new extension method AsNoTracking allows any query to be run in this way. For example: C# cancer of the bones name