EF Core 2.0 EF Core 1.0 Ask more with Chat GPT What popular third-party libraries can be used with EF Core? You can find a list of popular third-party libraries on: Awesome Entity Framework Core EF Core - Tools & Extensions Ask more with Chat GPT ...
EntityFrameworkCore.Diagnostics 程序集: Microsoft.EntityFrameworkCore.dll 包: Microsoft.EntityFrameworkCore v6.0.0 EF 异常中使用的字符串资源等。 这些字符串公开供数据库提供程序和扩展使用。 应用程序代码需要这些字符串是不寻常的。 C# 复制 public static class CoreStrings 继承 Object CoreS...
{vardeclaredConstructors =typeof(TContext).GetTypeInfo().DeclaredConstructors.ToList();if(declaredConstructors.Count ==1&& declaredConstructors[0].GetParameters().Length ==0) {thrownewArgumentException(CoreStrings.DbContextMissingConstructor(typeof(TContext).ShortDisplayName())); } } 首先判断上下文...
当使用 SQL Server、Oracle 或 PostgreSQL 等关系数据库时,推荐的方法是基于 Entity Framework (EF) 实现持久性层。 EF 支持 LINQ,并为模型提供强类型化的对象,且为数据库提供简化的持久性。 Entity Framework 很长一段时期作为 .NET Framework 的一部分。 使用...
Package: Microsoft.EntityFrameworkCore.Relational v9.0.0 Source: RelationalStrings.Designer.cs String resources used in EF exceptions, etc. These strings are exposed publicly for use by database providers and extensions. It is unusual for application code to need these strings. C# 复制 publi...
1 Introduction to Entity Framework Core 1.8 Setting up the MyFirstEfCoreApp application 在创建任何数据库访问代码之前,您需要编写两个基本部分: 您希望 EF Core 映射到数据库中的表的类 应用程序的 DbContext,这是用于配置和访问数据库的主要类 publicclassBook{publicintBookId {get;set; }publicstringTitle...
2 Entity Framework Core数据库连接字符串 数据库连接字符串包含了数据源以及一些必要的连接信息,EF Core需要连接字符串和数据库进行交互,指定数据库操作像新增,读取等,打开SQL Sever Object Explorer,鼠标选中数据库,右击属性,在属性窗体中找到Connection String并且复制该值 ...
程序集: Microsoft.EntityFrameworkCore.dll 包: Microsoft.EntityFrameworkCore v9.0.0 Source: CoreStrings.Designer.cs 属性“{1_entityType}”的值。{0_property}“不能设置为类型为”{valueType}“的值,因为其类型为”{propertyType}”。 C# 复制 public static string InvalidType (object? prope...
Entity Framework - Entity Framework 6: The Ninja Edition By Julie Lerman | December 2013 With the latest major release of Entity Framework, EF6, the Microsoft object-relational mapping (ORM) tool has reached new heights of “ninja-ness.” It’s no longer the country cousin to long-establishe...
Entity Framework has evolved through the choppy waters of its infancy, where it began as a tool focused on database developers—and inspired the wrath of agile developers within the .NET community. It learned how to get out of the way of application development and shifted to a Plain Old ...