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SPFieldLink.Required property

取得或設定一個值,指出是否已參照欄都必須具備一個值。

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)

Syntax

'宣告
Public Property Required As Boolean
    Get
    Set
'用途
Dim instance As SPFieldLink
Dim value As Boolean

value = instance.Required

instance.Required = value
public bool Required { get; set; }

Property value

Type: System.Boolean
true所參照的欄都必須具備值 ; 如果否則,請false。

備註

此屬性的起始值是做為引數傳遞給建構函式SPField物件的對應Required屬性的值相同。

請參閱

參照

SPFieldLink class

SPFieldLink members

Microsoft.SharePoint namespace

其他資源

Fields and Field References

Introduction to Columns

Introduction to Content Types