SPListDataSource class
SharePoint 2013
Provides information about an external list.
Namespace: Microsoft.SharePoint
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
This class serves as the bridge between SPList and an external list. Use the associated SPList to retrieve entity fields and data.
Retrieve an instance of SPListDataSource from the HasExternalDataSource property. When HasExternalDataSource is not null, the SPList object's data is external to Microsoft SharePoint Foundation.
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