SPFieldLookup.UnlimitedLengthInDocumentLibrary Property

Gets or sets a Boolean value that specifies whether to allow values with unlimited text in the lookup field.

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

public bool UnlimitedLengthInDocumentLibrary { get; set; }

Property Value

Type: System.Boolean
true to allow values with unlimited length; otherwise, false.

Caution noteCaution

Columns with long text are not supported by most applications for editing documents and could result in a loss of data. Only allow unlimited length if users will be uploading documents through the Web site, and not saving directly from the application.