ForEachEnumerator.CanUpdate 方法
A Boolean that indicates if the new package XML can update the old package XML.
命名空间： Microsoft.SqlServer.Dts.Runtime
程序集： Microsoft.SqlServer.ManagedDTS（在 Microsoft.SqlServer.ManagedDTS.dll 中）
语法
声明
Public Overridable Function CanUpdate ( _
CreationName As String _
) As Boolean
用法
Dim instance As ForEachEnumerator
Dim CreationName As String
Dim returnValue As Boolean
returnValue = instance.CanUpdate(CreationName)
public virtual bool CanUpdate(
string CreationName
)
public:
virtual bool CanUpdate(
String^ CreationName
)
abstract CanUpdate :
CreationName:string -> bool
override CanUpdate :
CreationName:string -> bool
public function CanUpdate(
CreationName : String
) : boolean
参数
- CreationName
类型：System.String
A String that contains the unique identifier of the old package.
返回值
类型：System.Boolean
A Boolean that indicates if the new package XML can update the old XML.
注释
The Integration Services run-time engine calls CanUpdate on new objects and passes in the GUID of the old object. If the new object can update the old object, the old object is passed to the new one through the Update method, where the XML is changed.
By default, all extensible objects implement CanUpdate to return false and implement the Update method to do nothing on the XML it is given in its parameters.