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.
	Finalize	Ereditato da Object.
	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.
	MemberwiseClone	Ereditato da Object.
	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