您可以将DbContexts配置为不同的数据库架构,在数据库级别提供逻辑分离。 引用链接 [1]在单个应用程序中使用多个EF Core DbContext:https://www.milanjovanovic.tech/blog/using-multiple-ef-core-dbcontext-in-single-application [2]调用UseTransaction方法:...
();context.Database.EnlistTransaction(transaction);// Run raw ADO.NET command in the transactionvarcommand = connection.CreateCommand(); command.CommandText ="DELETE FROM dbo.Blogs"; command.ExecuteNonQuery();// Run an EF Core command in the transactioncontext.Blogs.Add(newBlog { Url ="http:/...
Improved Transaction Support provides support for a transaction external to the framework as well as improved ways of creating a transaction within the Framework. Enums, Spatial and Better Performance on .NET 4.0 - By moving the core components that used to be in the .NET Framework into the EF...
https://docs.microsoft.com/en-us/ef/core/saving/transactions#share-connection-and-transaction https://docs.microsoft.com/en-us/ef/ef6/saving/transactions The same issue: #1705 Probably similar issue: #284 Well, I don't why behaviour is different. ...
In EF Core 6.0, this support has been expanded to include cases where non-navigation collections are contained in the query projection.The following are example queries showing the translation on SQL Server into either a single query or multiple queries....
EF Core 5.0 allows the same CLR type to be mapped to multiple different entity types. Such types are known as shared-type entity types. This feature combined with indexer properties (included in preview 1) allows property bags to be used as entity type. For example, the DbContext below con...
Enums, Spatial and Better Performance on .NET 4.0 - By moving the core components that used to be in the .NET Framework into the EF NuGet package we are now able to offer enum support, spatial data types and the performance improvements from EF5 on .NET 4.0. DbContext can now be cre...
I have found that I can initiate a transaction in the following two ways. IDbContextTransaction dbContextTransaction = await _dbContext.Database.BeginTransactionAsync(isolationLevel, cancellationToken); DbTransaction dbTransaction = awai...
Although it is true, that EF core in theory enables you to connect and interact with many different data sources, you still need to cater for the slight quirks of the different databases within the DbContexts. I will walk-through some of these within this article. ...
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