共用方式為

RelationalOptionsExtension.UseRelationalNulls 屬性

  • 參考

定義

命名空間:
Microsoft.EntityFrameworkCore.Infrastructure
組件:
Microsoft.EntityFrameworkCore.Relational.dll
套件:
Microsoft.EntityFrameworkCore.Relational v1.0.6
套件:
Microsoft.EntityFrameworkCore.Relational v1.1.6
套件:
Microsoft.EntityFrameworkCore.Relational v2.0.3
套件:
Microsoft.EntityFrameworkCore.Relational v2.1.11
套件:
Microsoft.EntityFrameworkCore.Relational v2.2.6
套件:
Microsoft.EntityFrameworkCore.Relational v3.0.0
套件:
Microsoft.EntityFrameworkCore.Relational v3.1.0
套件:
Microsoft.EntityFrameworkCore.Relational v5.0.0
套件:
Microsoft.EntityFrameworkCore.Relational v6.0.0
套件:
Microsoft.EntityFrameworkCore.Relational v7.0.0
套件:
Microsoft.EntityFrameworkCore.Relational v8.0.0

指出比較 Null 值時是否要使用關係資料庫語意。 根據預設，Entity Framework 會針對 Null 值使用 C# 語意，並產生 SQL 來補償資料庫如何處理 Null 的差異。

public virtual bool UseRelationalNulls { get; set; }
public virtual bool UseRelationalNulls { get; }
member this.UseRelationalNulls : bool with get, set
member this.UseRelationalNulls : bool
Public Overridable Property UseRelationalNulls As Boolean
Public Overridable ReadOnly Property UseRelationalNulls As Boolean

屬性值

Boolean

適用於