SPField.ReadOnlyField Property

Gets or sets a Boolean value that specifies whether values in the field can be modified.

Namespace:  Microsoft.SharePoint
Assembly:  Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online

Syntax

'Declaration
<ClientCallableAttribute> _
Public Property ReadOnlyField As Boolean
    Get
    Set
'Usage
Dim instance As SPField
Dim value As Boolean

value = instance.ReadOnlyField

instance.ReadOnlyField = value

[ClientCallableAttribute]
public bool ReadOnlyField { get; set; }

Property Value

Type: System.Boolean
true to specify that the field cannot be modified; otherwise, false.

Examples

The following code example makes a field read-only in a specified list on a root Web site.

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();
    }
}

See Also

Reference

SPField Class

SPField Members

Microsoft.SharePoint Namespace