DbContext Constructors

Definition

Namespace:

Microsoft.EntityFrameworkCore

Assembly:

Microsoft.EntityFrameworkCore.dll

Package:

Microsoft.EntityFrameworkCore v9.0.0

Overloads

DbContext()	Initializes a new instance of the DbContext class. The OnConfiguring(DbContextOptionsBuilder) method will be called to configure the database (and other options) to be used for this context.
DbContext(DbContextOptions)	Initializes a new instance of the DbContext class using the specified options. The OnConfiguring(DbContextOptionsBuilder) method will still be called to allow further configuration of the options.

DbContext()

Source:

DbContext.cs

Initializes a new instance of the DbContext class. The OnConfiguring(DbContextOptionsBuilder) method will be called to configure the database (and other options) to be used for this context.

C#

[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 ();

Attributes

RequiresUnreferencedCodeAttribute RequiresDynamicCodeAttribute

Remarks

See DbContext lifetime, configuration, and initialization for more information and examples.

DbContext(DbContextOptions)

Source:

DbContext.cs

Initializes a new instance of the DbContext class using the specified options. The OnConfiguring(DbContextOptionsBuilder) method will still be called to allow further configuration of the options.

C#

[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);

Parameters

options

DbContextOptions

The options for this context.

Attributes

RequiresUnreferencedCodeAttribute RequiresDynamicCodeAttribute

Remarks

See DbContext lifetime, configuration, and initialization and Using DbContextOptions for more information and examples.