Classe ForEachFromVarEnumerator
This enumerator is used to loop over the objects that are in the variable specified in VariableName.
Hierarquia de herança
System. . :: . .Object
Microsoft.SqlServer.Dts.Runtime. . :: . .DtsObject
Microsoft.SqlServer.Dts.Runtime. . :: . .ForEachEnumerator
Microsoft.SqlServer.Dts.Runtime.Enumerators.FromVar..::..ForEachFromVarEnumerator
Namespace: Microsoft.SqlServer.Dts.Runtime.Enumerators.FromVar
Assembly: Microsoft.SqlServer.ForEachFromVarEnumerator (em Microsoft.SqlServer.ForEachFromVarEnumerator.dll)
Sintaxe
'Declaração
Public NotInheritable Class ForEachFromVarEnumerator _
Inherits ForEachEnumerator _
Implements IDTSComponentPersist, IDTSForEachFromVarEnumerator
'Uso
Dim instance As ForEachFromVarEnumerator
public sealed class ForEachFromVarEnumerator : ForEachEnumerator,
IDTSComponentPersist, IDTSForEachFromVarEnumerator
public ref class ForEachFromVarEnumerator sealed : public ForEachEnumerator,
IDTSComponentPersist, IDTSForEachFromVarEnumerator
[<SealedAttribute>]
type ForEachFromVarEnumerator =
class
inherit ForEachEnumerator
interface IDTSComponentPersist
interface IDTSForEachFromVarEnumerator
end
public final class ForEachFromVarEnumerator extends ForEachEnumerator implements IDTSComponentPersist, IDTSForEachFromVarEnumerator
O tipo ForEachFromVarEnumerator expõe os membros a seguir.
Construtores
Nome | Descrição | |
---|---|---|
ForEachFromVarEnumerator | Initializes a new instance of the ForEachFromVarEnumerator class. |
Início
Propriedades
Nome | Descrição | |
---|---|---|
CollectionEnumerator | Gets or sets Boolean that indicates if the foreach loop enumerator is enumerating collections of objects or enumerating collections of collections. (Herdado de ForEachEnumerator.) | |
VariableName | Gets or sets the name of the variable to enumerate. | |
Version | Returns the version number of the package. This property is read-only. (Herdado de ForEachEnumerator.) |
Início
Métodos
Nome | Descrição | |
---|---|---|
CanUpdate | A Boolean that indicates if the new package XML can update the old package XML. (Herdado de ForEachEnumerator.) | |
Equals | Determines whether two object instances are equal. (Herdado de DtsObject.) | |
Finalize | (Herdado de Object.) | |
GetEnumerator | Returns an enumerator that can iterate over the ForEachFromVarEnumerator instance. (Substitui ForEachEnumerator. . :: . .GetEnumerator(Connections, VariableDispenser, IDTSInfoEvents, IDTSLogging).) | |
GetHashCode | Returns the hash code for this instance. (Herdado de DtsObject.) | |
GetType | (Herdado de Object.) | |
InitializeForEachEnumerator | Initializes the properties associated with the task. This method is called by the runtime and is not used in code. (Herdado de ForEachEnumerator.) | |
LoadFromXML | This method is not callable by your application code. To load a package saved as .xml, use the Application..::..LoadPackage method. | |
MemberwiseClone | (Herdado de Object.) | |
SaveToXML | This method is not callable by your application code. To save a package as .xml, use the Application..::..SaveToXml method. | |
ToString | (Herdado de Object.) | |
Update | This method updates the old package XML with the new package XML if CanUpdate is set to true. (Herdado de ForEachEnumerator.) | |
Validate | Allows the container to determine if it contains invalid settings that will prevent it from executing successfully. (Herdado de ForEachEnumerator.) |
Início
Comentários
An example of the use of this enumerator is when a query is run, and the result of the query is stored in the variable. You can use this enumerator to loop over the query results.
Segurança de thread
Qualquer membro público static (Shared no Visual Basic) desse tipo é seguro para threads. Não há garantia de que qualquer membro de instância seja seguro para threads.