EF.Property<TProperty>(Object, String) Method

Definition

Namespace:

Microsoft.EntityFrameworkCore

Assembly:

Microsoft.EntityFrameworkCore.dll

Package:

Microsoft.EntityFrameworkCore v8.0.0

References a given property or navigation on an entity or complex type instance. This is useful for shadow state properties, for which no CLR property exists. Currently this method can only be used in LINQ queries and can not be used to access the value assigned to a property in other scenarios.

public static TProperty Property<TProperty> (object instance, string propertyName);

static member Property : obj * string -> 'Property

Public Shared Function Property(Of TProperty) (instance As Object, propertyName As String) As TProperty

Type Parameters

TProperty

The type of the property being referenced.

Parameters

instance

Object

The entity to access the property on.

propertyName

String

The name of the property.

Returns

TProperty

The value assigned to the property.

Examples

The following code performs a filter using the a LastUpdated shadow state property.

var blogs = context.Blogs
    .Where(b => EF.Property<DateTime>(b, "LastUpdated") > DateTime.Now.AddDays(-5));

Remarks

Note that this is a static method accessed through the top-level EF static type.

See Using EF.Property in EF Core queries for more information and examples.