SPField.ReadOnlyField 属性

获取或设置一个 Boolean 值，指定是否可以修改字段中的值。

命名空间：  Microsoft.SharePoint
程序集：  Microsoft.SharePoint（位于 Microsoft.SharePoint.dll 中）

语法

声明
Public Property ReadOnlyField As Boolean
    Get
    Set
用法
Dim instance As SPField
Dim value As Boolean

value = instance.ReadOnlyField

instance.ReadOnlyField = value

public bool ReadOnlyField { get; set; }

属性值

类型：System.Boolean
true指定无法修改字段 ；否则为false。

示例

下面的代码示例将一个字段在根网站上的指定列表中是只读的。

Using oSiteCollection As New SPSite("http://MyServer")
    Using oWebsite As SPWeb = oSiteCollection.OpenWeb()
        Dim oList As SPList = oWebsite.Lists("MyList")
        Dim oItem As SPListItem = oList.Items(0)
        oItem.Fields("MyField").ReadOnlyField = True
        oItem.Fields("MyField").Update()
    End Using
End Using

using (SPSite oSiteCollection = new SPSite("http://MyServer"))
{
    using (SPWeb oWebsite = oSiteCollection.OpenWeb())
    {
        SPList oList = oWebsite.Lists["MyList"];
        SPListItem oItem = oList.Items[0];
        oItem.Fields["MyField"].ReadOnlyField = true;
        oItem.Fields["MyField"].Update();
    }
}

备注

Certain objects implement the IDisposable interface, and you must avoid retaining these objects in memory after they are no longer needed. For information about good coding practices, see Disposing Objects.

另请参阅

引用

SPField 类

SPField 成员

Microsoft.SharePoint 命名空间