通过

IDTSInput90.ExternalMetadataColumnCollection Property

  • 项目

Gets the collection of columns that reflects the columns in an external data source, which are used to validate an IDTSInputColumnCollection90 when the component is not connected to the external data source.

命名空间: Microsoft.SqlServer.Dts.Pipeline.Wrapper
程序集: Microsoft.SqlServer.DTSPipelineWrap (in microsoft.sqlserver.dtspipelinewrap.dll)

语法

声明
<DispIdAttribute(116)> _
ReadOnly Property ExternalMetadataColumnCollection As IDTSExternalMetadataColumnCollection90

[DispIdAttribute(116)] 
IDTSExternalMetadataColumnCollection90 ExternalMetadataColumnCollection { get; }

[DispIdAttribute(116)] 
property IDTSExternalMetadataColumnCollection90^ ExternalMetadataColumnCollection {
    IDTSExternalMetadataColumnCollection90^ get ();
}

/** @property */
/** @attribute DispIdAttribute(116) */ 
IDTSExternalMetadataColumnCollection90 get_ExternalMetadataColumnCollection ()

DispIdAttribute(116) 
function get ExternalMetadataColumnCollection () : IDTSExternalMetadataColumnCollection90

属性值

The IDTSExternalMetadataColumnCollection90 of the IDTSInput90 object.

备注

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.

线程安全

Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

平台

开发平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

目标平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

请参阅

参考

IDTSInput90 Interface
IDTSInput90 Members
Microsoft.SqlServer.Dts.Pipeline.Wrapper Namespace