通过

ForEachItem.Contains Method

Returns a Boolean that indicates whether the items in the collection can be accessed by using indexing.

命名空间: Microsoft.SqlServer.Dts.Runtime.Enumerators.Item
程序集: Microsoft.SqlServer.ManagedDTS (in microsoft.sqlserver.manageddts.dll)

语法

声明
Public Function Contains ( _
    index As Object _
) As Boolean

public bool Contains (
    Object index
)

public:
bool Contains (
    Object^ index
)

public boolean Contains (
    Object index
)

public function Contains (
    index : Object
) : boolean

参数

  • index
    The name, identity, ID, or index of the ForEachItemValue object to locate in the collection.

返回值

true if the collection can be accessed by name, identity, ID, or index using the syntax ForEachItem [index]. false if indexing cannot be used to retrieve items from the collection.

备注

If false, using the ForEachItem [index] syntax throws an exception.

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

ForEachItem Class
ForEachItem Members
Microsoft.SqlServer.Dts.Runtime.Enumerators.Item Namespace