Classe ForEachFromVarEnumerator
This enumerator is used to loop over the objects that are in the variable specified in VariableName.
Gerarchia di ereditarietà
System.Object
Microsoft.SqlServer.Dts.Runtime.DtsObject
Microsoft.SqlServer.Dts.Runtime.ForEachEnumerator
Microsoft.SqlServer.Dts.Runtime.Enumerators.FromVar.ForEachFromVarEnumerator
Spazio dei nomi Microsoft.SqlServer.Dts.Runtime.Enumerators.FromVar
Assembly: Microsoft.SqlServer.ForEachFromVarEnumerator (in Microsoft.SqlServer.ForEachFromVarEnumerator.dll)
Sintassi
'Dichiarazione
Public NotInheritable Class ForEachFromVarEnumerator _
Inherits ForEachEnumerator _
Implements IDTSComponentPersist, IDTSForEachFromVarEnumerator
'Utilizzo
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
Nel tipo ForEachFromVarEnumerator sono esposti i membri seguenti.
Costruttori
Nome | Descrizione | |
---|---|---|
ForEachFromVarEnumerator | Initializes a new instance of the ForEachFromVarEnumerator class. |
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Proprietà
Nome | Descrizione | |
---|---|---|
CollectionEnumerator | Gets or sets Boolean that indicates if the foreach loop enumerator is enumerating collections of objects or enumerating collections of collections. Ereditato da 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. Ereditato da ForEachEnumerator. |
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Metodi
Nome | Descrizione | |
---|---|---|
CanUpdate | A Boolean that indicates if the new package XML can update the old package XML. Ereditato da ForEachEnumerator. | |
Equals | Determines whether two object instances are equal. Ereditato da DtsObject. | |
GetEnumerator | Returns an enumerator that can iterate over the ForEachFromVarEnumerator instance. Esegue l'override di ForEachEnumerator.GetEnumerator(Connections, VariableDispenser, IDTSInfoEvents, IDTSLogging). | |
GetHashCode | Returns the hash code for this instance. Ereditato da DtsObject. | |
GetType | Ereditato da Object. | |
InitializeForEachEnumerator | Initializes the properties associated with the task. This method is called by the runtime and is not used in code. Ereditato da ForEachEnumerator. | |
LoadFromXML | This method is not callable by your application code. To load a package saved as .xml, use the Application.LoadPackage method. | |
SaveToXML | This method is not callable by your application code. To save a package as .xml, use the Application.SaveToXml method. | |
ToString | Ereditato da Object. | |
Update | This method updates the old package XML with the new package XML if CanUpdate is set to true. Ereditato da ForEachEnumerator. | |
Validate | Allows the container to determine if it contains invalid settings that will prevent it from executing successfully. Ereditato da ForEachEnumerator. |
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Osservazioni
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.
Protezione dei thread
I membri static (Shared in Visual Basic) pubblici di questo tipo sono affidabili. Non è invece garantita la sicurezza dei membri dell'istanza.
Vedere anche
Riferimento
Spazio dei nomi Microsoft.SqlServer.Dts.Runtime.Enumerators.FromVar