SPFieldLookup.AllowMultipleValues Property
Gets or sets a Boolean value that specifies whether multiple values can be used in the lookup field.
Namespace: Microsoft.SharePoint
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: Yes
Available in SharePoint Online
Syntax
'Declaration
<ClientCallableAttribute> _
Public Overridable Property AllowMultipleValues As Boolean
Get
Set
'Usage
Dim instance As SPFieldLookup
Dim value As Boolean
value = instance.AllowMultipleValues
instance.AllowMultipleValues = value
[ClientCallableAttribute]
public virtual bool AllowMultipleValues { get; set; }
Property Value
Type: System.Boolean
true to specify that multiple values can be used in the field; otherwise, false. The default is false.
Remarks
You cannot set a deletion constraint on a lookup field that allows multiple values.