我建议使用 IsUnicode (false)方法告诉 EF Core 字符串属性只包含单字节 ASCII 格式的字符,因为使用 IsUnicode 方法可以分别设置字符串大小 7.8 Value conversions: Changing data to/from the database EF Core 的值转换特性允许您在向数据库读写属性时更改数据: 将Enum 类型属性保存为字符串(而不是数字) ,以便...
包含DbContext 的项目需要 NuGet 包 Microsoft.EntityFrameworkCore.SqlServer 或其他数据库提供程序(如果使用的是其他数据库) ASP.NET Core 还有需要 Microsoft.EntityFrameworkCore.Tools 包 (因为我是在Linux环境下,所以我直接使用dotnet命令行工具)然后执行命令dotnet ef migrations add MyMigrationName 执行指令dotnet ...
EF Core being one of them, and this book is taking me closer to that for the chapters I have been able to cover. I highly recommend it as the author demonstrates not just an in-depth knowledge of the subject matter but also an impressive ability to communicate the same in an engaging ...
Entity Framework Core in Action, Second Edition is an in-depth guide to reading and writing databases with EF Core. Revised from the bestselling original edition, it’s filled with over 100 diagrams, code snippets, and examples—including building and scaling your own bookselling web application...
Microsoft.EntityFrameworkCore AutoTransactionBehavior BackingFieldAttribute ChangeTrackerExtensions ChangeTrackingStrategy CommentAttribute ConventionEntityTypeExtensions CosmosDatabaseFacadeExtensions CosmosDbContextOptionsExtensions CosmosEntityTypeBuilderExtensions CosmosEntityTypeExtensions ...
Microsoft.EntityFrameworkCore Microsoft.EntityFrameworkCore AutoTransactionBehavior BackingFieldAttribute ChangeTrackerExtensions ChangeTrackingStrategy CommentAttribute ConventionEntityTypeExtensions CosmosDatabaseFacadeExtensions CosmosDbContextOptionsExtensions CosmosEntityTypeBuilderExtensions ...
Entity framework core return null in get set in asp.net core 3.0? Entity Framework version Problem Entity Framework won't delete my entity from the database entity type has no key defined error - help please! Enum and [Display(Name = "")] enum args in controller action methods? Enum Dis...
EfCoreInAction Welcome to the Git repo that is associated with the bookEntity Framework Core in Actionpublished byManning Publications. This book details how to useEntity Framework Core(EF Core) to develop database access code in.NET Coreapplications. ...
Sqlite.Storage.Json.Internal Microsoft.EntityFrameworkCore.Storage Microsoft.EntityFrameworkCore.Storage.Json Microsoft.EntityFrameworkCore.Storage.ValueConversion Microsoft.EntityFrameworkCore.Update Microsoft.EntityFrameworkCore.ValueGeneration Microsoft.Extensions.DependencyInjection System.Transactions PDF herunterladen ...
First time here. I'm trying to integrate Entity Framework with PostgreSQL using Visual Studio 2017 Community: From Nuget, I installed this packages: EntityFramework.6.1.3 Npgsql.3.2.2 EntityFramework6.Npgsql.3.1.1 My project is a Web API with .NET Framework 4.6.2 (not core) ...