ExternalMetadataColumnCollection 屬性

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.

命名空間：  Microsoft.SqlServer.Dts.Pipeline.Wrapper
組件：  Microsoft.SqlServer.DTSPipelineWrap (在 Microsoft.SqlServer.DTSPipelineWrap.dll 中)

語法

'宣告
ReadOnly Property ExternalMetadataColumnCollection As IDTSExternalMetadataColumnCollection100
    Get
'用途
Dim instance As IDTSInput100
Dim value As IDTSExternalMetadataColumnCollection100

value = instance.ExternalMetadataColumnCollection

IDTSExternalMetadataColumnCollection100 ExternalMetadataColumnCollection { get; }

property IDTSExternalMetadataColumnCollection100^ ExternalMetadataColumnCollection {
    IDTSExternalMetadataColumnCollection100^ get ();
}

abstract ExternalMetadataColumnCollection : IDTSExternalMetadataColumnCollection100

function get ExternalMetadataColumnCollection () : IDTSExternalMetadataColumnCollection100

屬性值

型別：Microsoft.SqlServer.Dts.Pipeline.Wrapper. . :: . .IDTSExternalMetadataColumnCollection100
The IDTSExternalMetadataColumnCollection100 of the IDTSInput100 object.

備註

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.

請參閱

參考

IDTSInput100 介面

Microsoft.SqlServer.Dts.Pipeline.Wrapper 命名空間