ColumnExpression.MakeNullable 方法

定义

使此列可为空。

public Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression MakeNullable ();
public abstract Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression MakeNullable ();
member this.MakeNullable : unit -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression
abstract member MakeNullable : unit -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression
Public Function MakeNullable () As ColumnExpression
Public MustOverride Function MakeNullable () As ColumnExpression

返回

属性设置为 true 的新表达式 IsNullable

适用于