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IDTSInput100.ExternalMetadataColumnCollection Property

Gets the collection of columns that reflects the columns in an external data source, which are used to validate an IDTSInputColumnCollection100 when the component is not connected to the external data source.

Namespace:  Microsoft.SqlServer.Dts.Pipeline.Wrapper
Assembly:  Microsoft.SqlServer.DTSPipelineWrap (in Microsoft.SqlServer.DTSPipelineWrap.dll)

[DispIdAttribute()]
IDTSExternalMetadataColumnCollection100 ExternalMetadataColumnCollection { get; }

The ExternalMetadataColumnCollection enables components to validate the columns in its InputColumnCollection when the component is disconnected from its external data source, or when an expensive connected validation is not desirable.

Columns are inserted into the collection using the MapInputColumn method.

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