IConventionEntityTypeBuilder.HasKey Method
Definition
Important
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Creates an alternate key in the model for this entity type if one does not already exist over the specified properties.
public Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionKeyBuilder HasKey (System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IConventionProperty> properties, bool fromDataAnnotation = false);
public Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionKeyBuilder? HasKey (System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IConventionProperty> properties, bool fromDataAnnotation = false);
abstract member HasKey : System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Metadata.IConventionProperty> * bool -> Microsoft.EntityFrameworkCore.Metadata.Builders.IConventionKeyBuilder
Public Function HasKey (properties As IReadOnlyList(Of IConventionProperty), Optional fromDataAnnotation As Boolean = false) As IConventionKeyBuilder
Parameters
- properties
- IReadOnlyList<IConventionProperty>
The properties that make up the key.
- fromDataAnnotation
- Boolean
Indicates whether the configuration was specified using a data annotation.
Returns
An object that can be used to configure the key if it exists on the entity type,
null
otherwise.
Applies to
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Entity Framework