DbContext Construtores

  • Referência

Definição

Namespace:
Microsoft.EntityFrameworkCore
Assembly:
Microsoft.EntityFrameworkCore.dll
Pacote:
Microsoft.EntityFrameworkCore v1.0.6
Pacote:
Microsoft.EntityFrameworkCore v1.1.6
Pacote:
Microsoft.EntityFrameworkCore v2.0.3
Pacote:
Microsoft.EntityFrameworkCore v2.1.11
Pacote:
Microsoft.EntityFrameworkCore v2.2.6
Pacote:
Microsoft.EntityFrameworkCore v3.0.0
Pacote:
Microsoft.EntityFrameworkCore v3.1.0
Pacote:
Microsoft.EntityFrameworkCore v5.0.0
Pacote:
Microsoft.EntityFrameworkCore v6.0.0
Pacote:
Microsoft.EntityFrameworkCore v7.0.0
Pacote:
Microsoft.EntityFrameworkCore v8.0.0

Sobrecargas

DbContext()

Inicializa uma nova instância da classe DbContext. O OnConfiguring(DbContextOptionsBuilder) método será chamado para configurar o banco de dados (e outras opções) a serem usados para esse contexto.
DbContext(DbContextOptions)

Inicializa uma nova instância da DbContext classe usando as opções especificadas. O OnConfiguring(DbContextOptionsBuilder) método ainda será chamado para permitir a configuração adicional das opções.

DbContext()

Inicializa uma nova instância da classe DbContext. O OnConfiguring(DbContextOptionsBuilder) método será chamado para configurar o banco de dados (e outras opções) a serem usados para esse contexto.

protected DbContext ();
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("EF Core isn't fully compatible with trimming, and running the application may generate unexpected runtime failures. Some specific coding pattern are usually required to make trimming work properly, see https://aka.ms/efcore-docs-trimming for more details.")]
protected DbContext ();
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("EF Core isn't fully compatible with trimming, and running the application may generate unexpected runtime failures. Some specific coding pattern are usually required to make trimming work properly, see https://aka.ms/efcore-docs-trimming for more details.")]
[System.Diagnostics.CodeAnalysis.RequiresDynamicCode("EF Core isn't fully compatible with NativeAOT, and running the application may generate unexpected runtime failures.")]
protected DbContext ();
Protected Sub New ()
Atributos
RequiresUnreferencedCodeAttribute RequiresDynamicCodeAttribute

Comentários

Confira Tempo de vida, configuração e inicialização do DbContext para obter mais informações e exemplos.

Aplica-se a

DbContext(DbContextOptions)

Inicializa uma nova instância da DbContext classe usando as opções especificadas. O OnConfiguring(DbContextOptionsBuilder) método ainda será chamado para permitir a configuração adicional das opções.

public DbContext (Microsoft.EntityFrameworkCore.DbContextOptions options);
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("EF Core isn't fully compatible with trimming, and running the application may generate unexpected runtime failures. Some specific coding pattern are usually required to make trimming work properly, see https://aka.ms/efcore-docs-trimming for more details.")]
public DbContext (Microsoft.EntityFrameworkCore.DbContextOptions options);
[System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("EF Core isn't fully compatible with trimming, and running the application may generate unexpected runtime failures. Some specific coding pattern are usually required to make trimming work properly, see https://aka.ms/efcore-docs-trimming for more details.")]
[System.Diagnostics.CodeAnalysis.RequiresDynamicCode("EF Core isn't fully compatible with NativeAOT, and running the application may generate unexpected runtime failures.")]
public DbContext (Microsoft.EntityFrameworkCore.DbContextOptions options);
new Microsoft.EntityFrameworkCore.DbContext : Microsoft.EntityFrameworkCore.DbContextOptions -> Microsoft.EntityFrameworkCore.DbContext
[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("EF Core isn't fully compatible with trimming, and running the application may generate unexpected runtime failures. Some specific coding pattern are usually required to make trimming work properly, see https://aka.ms/efcore-docs-trimming for more details.")>]
new Microsoft.EntityFrameworkCore.DbContext : Microsoft.EntityFrameworkCore.DbContextOptions -> Microsoft.EntityFrameworkCore.DbContext
[<System.Diagnostics.CodeAnalysis.RequiresUnreferencedCode("EF Core isn't fully compatible with trimming, and running the application may generate unexpected runtime failures. Some specific coding pattern are usually required to make trimming work properly, see https://aka.ms/efcore-docs-trimming for more details.")>]
[<System.Diagnostics.CodeAnalysis.RequiresDynamicCode("EF Core isn't fully compatible with NativeAOT, and running the application may generate unexpected runtime failures.")>]
new Microsoft.EntityFrameworkCore.DbContext : Microsoft.EntityFrameworkCore.DbContextOptions -> Microsoft.EntityFrameworkCore.DbContext
Public Sub New (options As DbContextOptions)

Parâmetros

options
DbContextOptions

As opções para esse contexto.

Atributos
RequiresUnreferencedCodeAttribute RequiresDynamicCodeAttribute

Comentários

Consulte Tempo de vida, configuração e inicialização de DbContext e Usando DbContextOptions para obter mais informações e exemplos.

Aplica-se a