ForEachVariableMappings.Contains 方法

Returns a Boolean that indicates whether the items in the collection can be accessed using indexing without throwing an exception.

命名空間:  Microsoft.SqlServer.Dts.Runtime
組件:  Microsoft.SqlServer.ManagedDTS (在 Microsoft.SqlServer.ManagedDTS.dll 中)

語法

'宣告
Public Function Contains ( _
    index As Object _
) As Boolean
'用途
Dim instance As ForEachVariableMappings 
Dim index As Object 
Dim returnValue As Boolean 

returnValue = instance.Contains(index)
public bool Contains(
    Object index
)
public:
bool Contains(
    Object^ index
)
member Contains : 
        index:Object -> bool
public function Contains(
    index : Object
) : boolean

參數

  • index
    型別:System.Object
    The name, identity, ID, or index of the T:Microsoft.SqlServer.Dts.Runtime.ForEachVariableMapping object to locate in the collection.

傳回值

型別:System.Boolean
A Boolean that indicates whether the collection can be accessed by name, identity, ID, or index. A value of true indicates that the collection can be accessed by using the syntax ForEachVariableMappings[index]. A value of false indicates that indexing cannot be used to retrieve items from the ForEachVariableMappings collection; using this property throws an exception.

請參閱

參考

ForEachVariableMappings 類別

Microsoft.SqlServer.Dts.Runtime 命名空間