通过

RoutePatternParameterPart.IsOptional 属性

定义

命名空间:
Microsoft.AspNetCore.Routing.Patterns
程序集:
Microsoft.AspNetCore.Routing.dll
包:
Microsoft.AspNetCore.App.Ref v10.0.0-preview.6.25358.103
包:
Microsoft.AspNetCore.Routing v2.2.0
包:
Microsoft.AspNetCore.App.Ref v3.0.1
包:
Microsoft.AspNetCore.App.Ref v3.1.10
包:
Microsoft.AspNetCore.App.Ref v5.0.0
包:
Microsoft.AspNetCore.App.Ref v6.0.6
包:
Microsoft.AspNetCore.App.Ref v7.0.5
包:
Microsoft.AspNetCore.App.Ref v8.0.0
包:
Microsoft.AspNetCore.App.Ref v9.0.2
Source:
RoutePatternParameterPart.cs
Source:
RoutePatternParameterPart.cs

true如果此部分是可选参数，则返回 。 否则返回 false。

public:
 property bool IsOptional { bool get(); };
public bool IsOptional { get; }
member this.IsOptional : bool
Public ReadOnly Property IsOptional As Boolean

属性值

Boolean

适用于