DbEntityEntry<TEntity>.Property<TProperty> 方法 (Expression<Func<TEntity, TProperty>>)
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获取一个对象，此对象表示该实体的标量属性或复杂属性。
命名空间： System.Data.Entity.Infrastructure
程序集： EntityFramework（在 EntityFramework.dll 中）
语法
声明
<SuppressMessageAttribute("Microsoft.Design", "CA1006:DoNotNestGenericTypesInMemberSignatures")> _
<SuppressMessageAttribute("Microsoft.Naming", "CA1719:ParameterNamesShouldNotMatchMemberNames", MessageId := "0#", _
Justification := "Rule predates more fluent naming conventions.")> _
Public Function Property(Of TProperty) ( _
property As Expression(Of Func(Of TEntity, TProperty)) _
) As DbPropertyEntry(Of TEntity, TProperty)
用法
Dim instance As DbEntityEntry
Dim property As Expression(Of Func(Of TEntity, TProperty))
Dim returnValue As DbPropertyEntry(Of TEntity, TProperty)
returnValue = instance.Property(property)
[SuppressMessageAttribute("Microsoft.Design", "CA1006:DoNotNestGenericTypesInMemberSignatures")]
[SuppressMessageAttribute("Microsoft.Naming", "CA1719:ParameterNamesShouldNotMatchMemberNames", MessageId = "0#",
Justification = "Rule predates more fluent naming conventions.")]
public DbPropertyEntry<TEntity, TProperty> Property<TProperty>(
Expression<Func<TEntity, TProperty>> property
)
[SuppressMessageAttribute(L"Microsoft.Design", L"CA1006:DoNotNestGenericTypesInMemberSignatures")]
[SuppressMessageAttribute(L"Microsoft.Naming", L"CA1719:ParameterNamesShouldNotMatchMemberNames", MessageId = L"0#",
Justification = L"Rule predates more fluent naming conventions.")]
public:
generic<typename TProperty>
DbPropertyEntry<TEntity, TProperty>^ Property(
Expression<Func<TEntity, TProperty>^>^ property
)
[<SuppressMessageAttribute("Microsoft.Design", "CA1006:DoNotNestGenericTypesInMemberSignatures")>]
[<SuppressMessageAttribute("Microsoft.Naming", "CA1719:ParameterNamesShouldNotMatchMemberNames", MessageId = "0#",
Justification = "Rule predates more fluent naming conventions.")>]
member Property :
property:Expression<Func<'TEntity, 'TProperty>> -> DbPropertyEntry<'TEntity, 'TProperty>
JScript does not support generic types and methods.
类型参数
- TProperty
属性的类型。
参数
- property
类型：System.Linq.Expressions.Expression<Func<TEntity, TProperty>>
表示属性的表达式。
返回值
类型：System.Data.Entity.Infrastructure.DbPropertyEntry<TEntity, TProperty>
表示属性的对象。