跟Entity Framework之前的版本不同,Class DbContext不再有AcceptAllChanges()方法。 使用Transaction需要使用DbContext中的Database对象。 using (var transaction = await _dbContext.Database.BeginTransactionAsync()) { try { ... Operation on object _dbContext.TableA.Add(rowa); // Add rowa to Table A ...
跟Entity Framework之前的版本不同,Class DbContext不再有AcceptAllChanges()方法。 使用Transaction需要使用DbContext中的Database对象。 using(vartransaction =await_dbContext.Database.BeginTransactionAsync()) {try{ ... Operation onobject_dbContext.TableA.Add(rowa);//Add rowa to Table A_dbContext.SaveCha...
IMutableEntityType UsingEntity (string? joinEntityName, Type? joinEntityType, Func<Microsoft.EntityFrameworkCore.Metadata.IMutableEntityType,Microsoft.EntityFrameworkCore.Metadata.IMutableForeignKey>? configureRight, Func<Microsoft.EntityFrameworkCore.Metadata.IMutableEntityType,Microsoft.Ent...
解析源码 直接定位transaction时会定位到EFCore中,这个里面我并没有找到对应的显式Rollback操作,但是经过网络上查询,找到了一个源码中实现了自动 Rollback 在System.Data.SqlClient中的SqlInternalTransaction中反编译后,会发现下面的代码 代码语言:javascript 复制 // .method private hidebysig instance void// Dispose(...
Data Exposed Aug 31, 2022 Come learn how to start using your existing Azure SQL Database using Entity Framework Core and EF Core Power Tools in this episode of Data Exposed: MVP Edition with Anna Hoffman and Erik Ejlskov Jensen. You will also see how ...
dotnet add package Aspire.Microsoft.EntityFrameworkCore.Cosmos In the Program.cs code file, register an Entity Framework DbContext object in the dependency injection container:C# Copy builder.AddCosmosDbContext<MyDbContext>("cosmosdb"); Using...
Install-Package Microsoft.EntityFrameworkCore.Tools To Create DB Context and set the DB Connection string3) You can see the PM> and copy and paste the below line set the Connection string and create DB Context. This is important part as we give o...
This is a real life example which demostrates how to use SQLite encrypted databases using Entity Framework Core (EFCore). Tipp for creating/exploring SQLite databases with encryption manually The database is using SQLCipher encryption. To create/explore SQLite databases with encrytion manually, you ...
In regards the Azure SQL DB case, Entity Framework Core already provides internal database connection resiliency and retry logic, but you need to enable your desired execution strategy per DbContext connection if you want to haveresilient EF Core connections. ...
The Contoso University sample web application demonstrates how to create ASP.NET Core 1.0 MVC web applications using Entity Framework Core 1.0 and Visual Studio 2015. For information about the tutorial series, seethe first tutorial in the series. ...