SPList.HasExternalDataSource Property

Gets a value that indicates whether the list has an external data source.

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

[ClientCallablePropertyAttribute(SetProperty = false)]
public bool HasExternalDataSource { get; internal set; }

Property Value

Type: System.Boolean
true if the list has an external data source; otherwise false.