DbContext Constructeurs

  • Référence

Définition

Espace de noms:
Microsoft.EntityFrameworkCore
Assembly:
Microsoft.EntityFrameworkCore.dll
Paquet:
Microsoft.EntityFrameworkCore v1.0.6
Paquet:
Microsoft.EntityFrameworkCore v1.1.6
Paquet:
Microsoft.EntityFrameworkCore v2.0.3
Paquet:
Microsoft.EntityFrameworkCore v2.1.11
Paquet:
Microsoft.EntityFrameworkCore v2.2.6
Paquet:
Microsoft.EntityFrameworkCore v3.0.0
Paquet:
Microsoft.EntityFrameworkCore v3.1.0
Paquet:
Microsoft.EntityFrameworkCore v5.0.0
Paquet:
Microsoft.EntityFrameworkCore v6.0.0
Paquet:
Microsoft.EntityFrameworkCore v7.0.0
Paquet:
Microsoft.EntityFrameworkCore v8.0.0

Surcharges

DbContext()

Initialise une nouvelle instance de la classe DbContext. La OnConfiguring(DbContextOptionsBuilder) méthode sera appelée pour configurer la base de données (et d’autres options) à utiliser pour ce contexte.
DbContext(DbContextOptions)

Initialise une nouvelle instance de la classe à l’aide DbContext des options spécifiées. La OnConfiguring(DbContextOptionsBuilder) méthode sera toujours appelée pour permettre une configuration supplémentaire des options.

DbContext()

Initialise une nouvelle instance de la classe DbContext. La OnConfiguring(DbContextOptionsBuilder) méthode sera appelée pour configurer la base de données (et d’autres options) à utiliser pour ce contexte.

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 ()
Attributs
RequiresUnreferencedCodeAttribute RequiresDynamicCodeAttribute

Remarques

Pour plus d’informations et d’exemples , consultez Durée de vie, configuration et initialisation de DbContext .

S’applique à

DbContext(DbContextOptions)

Initialise une nouvelle instance de la classe à l’aide DbContext des options spécifiées. La OnConfiguring(DbContextOptionsBuilder) méthode sera toujours appelée pour permettre une configuration supplémentaire des options.

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)

Paramètres

options
DbContextOptions

Options de ce contexte.

Attributs
RequiresUnreferencedCodeAttribute RequiresDynamicCodeAttribute

Remarques

Pour plus d’informations et d’exemples, consultez Durée de vie, configuration et initialisation De DbContextOptions.

S’applique à