@ -142,28 +142,36 @@ public class BookStoreMongoDbContext : AbpMongoDbContext
### Map the Book Entity to a Database Table
### Map the Book Entity to a Database Table
Open `BookStoreDbContextModelCreatingExtensions.cs` file in the `Acme.BookStore.EntityFrameworkCore` project and add the mapping code for the `Book` entity. The final class should be the following:
Locate to `OnModelCreating` method in the `BookStoreDbContext` class and add the mapping code for the `Book` entity:
````csharp
````csharp
using Acme.BookStore.Books;
using Acme.BookStore.Books;
using Microsoft.EntityFrameworkCore;
...
using Volo.Abp;
using Volo.Abp.EntityFrameworkCore.Modeling;
namespace Acme.BookStore.EntityFrameworkCore
namespace Acme.BookStore.EntityFrameworkCore
{
{
public static class BookStoreDbContextModelCreatingExtensions
public class BookStoreDbContext :
AbpDbContext<BookStoreDbContext>,
IIdentityDbContext,
ITenantManagementDbContext
{
{
public static void ConfigureBookStore(this ModelBuilder builder)
The startup solution is configured to use [Entity Framework Core Code First Migrations](https://docs.microsoft.com/en-us/ef/core/managing-schemas/migrations/). Since we've changed the database mapping configuration, we should create a new migration and apply changes to the database.
The startup solution is configured to use [Entity Framework Core Code First Migrations](https://docs.microsoft.com/en-us/ef/core/managing-schemas/migrations/). Since we've changed the database mapping configuration, we should create a new migration and apply changes to the database.
Open a command-line terminal in the directory of the `Acme.BookStore.EntityFrameworkCore.DbMigrations` project and type the following command:
Open a command-line terminal in the directory of the `Acme.BookStore.EntityFrameworkCore` project and type the following command:
```bash
```bash
dotnet ef migrations add Created_Book_Entity
dotnet ef migrations add Created_Book_Entity
@ -189,7 +197,7 @@ This will add a new migration class to the project:
> If you are using Visual Studio, you may want to use `Add-Migration Created_Book_Entity -c BookStoreMigrationsDbContext` and `Update-Database -c BookStoreMigrationsDbContext` commands in the *Package Manager Console (PMC)*. In this case, ensure that {{if UI=="MVC"}}`Acme.BookStore.Web`{{else if UI=="BlazorServer"}}`Acme.BookStore.Blazor`{{else if UI=="Blazor" || UI=="NG"}}`Acme.BookStore.HttpApi.Host`{{end}} is the startup project and `Acme.BookStore.EntityFrameworkCore.DbMigrations` is the *Default Project* in PMC.
> If you are using Visual Studio, you may want to use `Add-Migration Created_Book_Entity -c BookStoreMigrationsDbContext` and `Update-Database -c BookStoreMigrationsDbContext` commands in the *Package Manager Console (PMC)*. In this case, ensure that {{if UI=="MVC"}}`Acme.BookStore.Web`{{else if UI=="BlazorServer"}}`Acme.BookStore.Blazor`{{else if UI=="Blazor" || UI=="NG"}}`Acme.BookStore.HttpApi.Host`{{end}} is the startup project and `Acme.BookStore.EntityFrameworkCore` is the *Default Project* in PMC.
@ -70,7 +70,7 @@ We prefer to **delete the database** {{if DB=="EF"}}(you can run the `Drop-Datab
### Update the EF Core Mapping
### Update the EF Core Mapping
Open the `BookStoreDbContextModelCreatingExtensions` class under the `EntityFrameworkCore` folder of the `Acme.BookStore.EntityFrameworkCore` project and change the `builder.Entity<Book>` part as shown below:
Locate to `OnModelCreating` method in the `BookStoreDbContext` class that under the `EntityFrameworkCore` folder of the `Acme.BookStore.EntityFrameworkCore` project and change the `builder.Entity<Book>` part as shown below:
````csharp
````csharp
builder.Entity<Book>(b =>
builder.Entity<Book>(b =>
@ -88,7 +88,7 @@ builder.Entity<Book>(b =>
The startup solution is configured to use [Entity Framework Core Code First Migrations](https://docs.microsoft.com/en-us/ef/core/managing-schemas/migrations/). Since we've changed the database mapping configuration, we should create a new migration and apply changes to the database.
The startup solution is configured to use [Entity Framework Core Code First Migrations](https://docs.microsoft.com/en-us/ef/core/managing-schemas/migrations/). Since we've changed the database mapping configuration, we should create a new migration and apply changes to the database.
Open a command-line terminal in the directory of the `Acme.BookStore.EntityFrameworkCore.DbMigrations` project and type the following command:
Open a command-line terminal in the directory of the `Acme.BookStore.EntityFrameworkCore` project and type the following command:
* Declares the foreign key to the `AppAuthors` table.
* Declares the foreign key to the `AppAuthors` table.
> If you are using Visual Studio, you may want to use `Add-Migration Added_AuthorId_To_Book -c BookStoreMigrationsDbContext` and `Update-Database -c BookStoreMigrationsDbContext` commands in the *Package Manager Console (PMC)*. In this case, ensure that {{if UI=="MVC"}}`Acme.BookStore.Web`{{else if UI=="BlazorServer"}}`Acme.BookStore.Blazor`{{else if UI=="Blazor" || UI=="NG"}}`Acme.BookStore.HttpApi.Host`{{end}} is the startup project and `Acme.BookStore.EntityFrameworkCore.DbMigrations` is the *Default Project* in PMC.
> If you are using Visual Studio, you may want to use `Add-Migration Added_AuthorId_To_Book -c BookStoreMigrationsDbContext` and `Update-Database -c BookStoreMigrationsDbContext` commands in the *Package Manager Console (PMC)*. In this case, ensure that {{if UI=="MVC"}}`Acme.BookStore.Web`{{else if UI=="BlazorServer"}}`Acme.BookStore.Blazor`{{else if UI=="Blazor" || UI=="NG"}}`Acme.BookStore.HttpApi.Host`{{end}} is the startup project and `Acme.BookStore.EntityFrameworkCore` is the *Default Project* in PMC.
@ -48,7 +48,7 @@ Open the `BookStoreDbContext` in the `Acme.BookStore.EntityFrameworkCore` projec
public DbSet<Author> Authors { get; set; }
public DbSet<Author> Authors { get; set; }
````
````
Then open the `BookStoreDbContextModelCreatingExtensions` class in the same project and add the following lines to the end of the`ConfigureBookStore` method:
Then locate to the `OnModelCreating` method in `BookStoreDbContext` class in the same project and add the following lines to the end of the method:
````csharp
````csharp
builder.Entity<Author>(b =>
builder.Entity<Author>(b =>
@ -72,7 +72,7 @@ This is just like done for the `Book` entity before, so no need to explain again
The startup solution is configured to use [Entity Framework Core Code First Migrations](https://docs.microsoft.com/en-us/ef/core/managing-schemas/migrations/). Since we've changed the database mapping configuration, we should create a new migration and apply changes to the database.
The startup solution is configured to use [Entity Framework Core Code First Migrations](https://docs.microsoft.com/en-us/ef/core/managing-schemas/migrations/). Since we've changed the database mapping configuration, we should create a new migration and apply changes to the database.
Open a command-line terminal in the directory of the `Acme.BookStore.EntityFrameworkCore.DbMigrations` project and type the following command:
Open a command-line terminal in the directory of the `Acme.BookStore.EntityFrameworkCore` project and type the following command:
````bash
````bash
dotnet ef migrations add Added_Authors
dotnet ef migrations add Added_Authors
@ -88,7 +88,7 @@ You can apply changes to the database using the following command, in the same c
dotnet ef database update
dotnet ef database update
````
````
> If you are using Visual Studio, you may want to use `Add-Migration Added_Authors -c BookStoreMigrationsDbContext` and `Update-Database -c BookStoreMigrationsDbContext` commands in the *Package Manager Console (PMC)*. In this case, ensure that {{if UI=="MVC"}}`Acme.BookStore.Web`{{else if UI=="BlazorServer"}}`Acme.BookStore.Blazor`{{else if UI=="Blazor" || UI=="NG"}}`Acme.BookStore.HttpApi.Host`{{end}} is the startup project and `Acme.BookStore.EntityFrameworkCore.DbMigrations` is the *Default Project* in PMC.
> If you are using Visual Studio, you may want to use `Add-Migration Added_Authors -c BookStoreMigrationsDbContext` and `Update-Database -c BookStoreMigrationsDbContext` commands in the *Package Manager Console (PMC)*. In this case, ensure that {{if UI=="MVC"}}`Acme.BookStore.Web`{{else if UI=="BlazorServer"}}`Acme.BookStore.Blazor`{{else if UI=="Blazor" || UI=="NG"}}`Acme.BookStore.HttpApi.Host`{{end}} is the startup project and `Acme.BookStore.EntityFrameworkCore` is the *Default Project* in PMC.
Mehmet Erim
5 years ago
GitHub
