ExpressionExtensions.TryGetEFPropertyArguments 方法

定義

命名空間:

Microsoft.EntityFrameworkCore.Infrastructure

組件:

Microsoft.EntityFrameworkCore.dll

套件:

Microsoft.EntityFrameworkCore v10.0.0

來源:

ExpressionExtensions.cs

若給定的方法呼叫表達式代表對 Property<TProperty>(Object, String)的呼叫，則此方法會擷取實體表達式與屬性名稱。

public static bool TryGetEFPropertyArguments(this System.Linq.Expressions.MethodCallExpression methodCallExpression, out System.Linq.Expressions.Expression? entityExpression, out string? propertyName);

static member TryGetEFPropertyArguments : System.Linq.Expressions.MethodCallExpression * Expression * string -> bool

<Extension()>
Public Function TryGetEFPropertyArguments (methodCallExpression As MethodCallExpression, ByRef entityExpression As Expression, ByRef propertyName As String) As Boolean

參數

methodCallExpression

MethodCallExpression

方法呼叫表達式 Property<TProperty>(Object, String)

entityExpression

Expression

擷取實體存取表達式。

propertyName

String

存取的房產名稱。

傳回

Boolean

true 若方法呼叫為 Property<TProperty>(Object, String); false 否則。