Entity Framework Core (EF Core) has several features that make it a powerful and efficient tool for data access and management: Cross-platform: EF Core can be used on a variety of platforms including Windows, Linux, and Mac. Lightweight: EF Core has a smaller footprint and fewer dependencie...
Microsoft.EntityFrameworkCore.SqlServer Microsoft.EntityFrameworkCore.Tools Microsoft.VisualStudio.Web.CodeGeneration.DesignIf the preceding step fails, build the project and retry the scaffold step.The scaffolding process:Creates Razor pages in the Pages/Students folder: Create.cshtml and Create.cshtml....
Microsoft.EntityFrameworkCore.SqlServer Microsoft.EntityFrameworkCore.Tools Microsoft.VisualStudio.Web.CodeGeneration.DesignIf the preceding step fails, build the project and retry the scaffold step.The scaffolding process:Creates Razor pages in the Pages/Students folder: Create.cshtml and Create.cshtml....
EF中实体的状态(Entity States in Entity Framework) EF在每个实体的生命周期内,一直保存它的状态。每个实体,基于通过context类对它的操作,都有一个状态。实体的状态通过枚举类型System.Data.Entity.EntityState (EF Core中为 Microsoft.EntityFrameworkCore.EntityState)来表示: Added Modified Deleted Unchanged Detached ...
Dieses Modul führt Sie durch die Schritte zum Erstellen eines Datenzugriffsprojekts, Herstellen einer Verbindung mit einer relationalen Datenbank und zum Schreiben von CRUD-Abfragen (Create, Read, Update und Delete) mithilfe von Ent...
Blazor CRUD with Entity Framework Core – Detailed Tutorial https://codewithmukesh.com/blog/blazor-crud-with-entity-framework-core/ 这是一个好博客,很多.Net实例,Step by Step https://codewithmukesh.com/author/mukesh-murugan/
usingMicrosoft.EntityFrameworkCore;usingContosoUniversity.Data;usingContosoUniversity.Models.SchoolViewModels;usingMicrosoft.Extensions.Logging; Agregue una variable de clase para el contexto de base de datos inmediatamente después de la llave de apertura para la clase y obtenga una instancia del context...
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Dapper falls into a family of tools known asmicro-ORMs. These tools perform only a subset of the functionality of full-blown Object Relations Mappers, such asEntity Framework Core, but Dapper is known for its speed and simple implementation compared to others. The following table provides a ge...
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