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Classe ForEachLoop

Provides a container that defines an iterative workflow in a package using the foreach iteration statement.

Gerarchia di ereditarietà

System.Object
  Microsoft.SqlServer.Dts.Runtime.DtsObject
    Microsoft.SqlServer.Dts.Runtime.Executable
      Microsoft.SqlServer.Dts.Runtime.DtsContainer
        Microsoft.SqlServer.Dts.Runtime.EventsProvider
          Microsoft.SqlServer.Dts.Runtime.ForEachLoop

Spazio dei nomi  Microsoft.SqlServer.Dts.Runtime
Assembly:  Microsoft.SqlServer.ManagedDTS (in Microsoft.SqlServer.ManagedDTS.dll)

Sintassi

'Dichiarazione
Public NotInheritable Class ForEachLoop _
    Inherits EventsProvider _
    Implements IDTSSequence, IDTSPropertiesProvider, IDTSPropertiesProviderEx, IDTSPackagePath,  _
    IDTSExecutionPath
'Utilizzo
Dim instance As ForEachLoop
public sealed class ForEachLoop : EventsProvider, 
    IDTSSequence, IDTSPropertiesProvider, IDTSPropertiesProviderEx, IDTSPackagePath, IDTSExecutionPath
public ref class ForEachLoop sealed : public EventsProvider, 
    IDTSSequence, IDTSPropertiesProvider, IDTSPropertiesProviderEx, IDTSPackagePath, IDTSExecutionPath
[<SealedAttribute>]
type ForEachLoop =  
    class 
        inherit EventsProvider 
        interface IDTSSequence 
        interface IDTSPropertiesProvider 
        interface IDTSPropertiesProviderEx 
        interface IDTSPackagePath 
        interface IDTSExecutionPath 
    end
public final class ForEachLoop extends EventsProvider implements IDTSSequence, IDTSPropertiesProvider, IDTSPropertiesProviderEx, IDTSPackagePath, IDTSExecutionPath

Nel tipo ForEachLoop sono esposti i membri seguenti.

Proprietà

  Nome Descrizione
Proprietà pubblica CreationName Returns the string that is used to create an instance of the DtsContainer object. This property is read-only. Ereditato da DtsContainer.
Proprietà pubblica DebugMode Gets or sets a Boolean that indicates whether the DtsContainer object is in debug mode and whether it should fire the OnBreakpointHit event while running. Ereditato da DtsContainer.
Proprietà pubblica DelayValidation Gets or sets a Boolean that indicates whether validation of the task is delayed until run time. The default value is false. Ereditato da DtsContainer.
Proprietà pubblica Description Gets or sets the description of the DtsContainer object. Ereditato da DtsContainer.
Proprietà pubblica Disable A Boolean that indicates if the DtsContainer object is disabled. Ereditato da DtsContainer.
Proprietà pubblica DisableEventHandlers Gets or sets a Boolean that indicates whether the event handlers on task are disabled. Ereditato da EventsProvider.
Proprietà pubblica EventHandlers Returns a collection of event handler objects. This field is read-only. Ereditato da EventsProvider.
Proprietà pubblica EventInfos Returns a collection of EventInfo objects. This field is read-only. Ereditato da EventsProvider.
Proprietà pubblica Executables Returns a collection of Executable objects processed by the Data Transformation Run-time engine during execution of the ForEachLoop. This field is read-only.
Proprietà pubblica ExecutionDuration Returns a value that indicates the amount of time that the container spent in execution, in milliseconds. This property is read-only. Ereditato da DtsContainer.
Proprietà pubblica ExecutionResult Returns a value that indicates the success or failure of the execution of the DtsContainer object. Ereditato da DtsContainer.
Proprietà pubblica ExecutionStatus Returns a value that indicates the current status of the execution of the DtsContainer object at the time of the call. Ereditato da DtsContainer.
Proprietà pubblica FailPackageOnFailure Gets or sets a Boolean that indicates whether the package fails when a child container fails. This property is used on containers, not the package itself. Ereditato da DtsContainer.
Proprietà pubblica FailParentOnFailure Gets or sets a Boolean that defines whether the parent container fails when a child container fails. Ereditato da DtsContainer.
Proprietà pubblica ForcedExecutionValue If the ForceExecutionValue property is set to True, gets or sets a value that specifies the optional execution value that the package returns. Ereditato da DtsContainer.
Proprietà pubblica ForceExecutionResult Gets or sets a DTSForcedExecResult enumeration value that specifies the forced execution result of the container. Ereditato da DtsContainer.
Proprietà pubblica ForceExecutionValue Gets or sets a Boolean that indicates whether the execution value of the container should be forced to contain a particular value. Ereditato da DtsContainer.
Proprietà pubblica ForEachEnumerator Gets or sets a host for the ForEachEnumerator.
Proprietà pubblica HasExpressions Gets a value that indicates whether the ForEachLoop object has expressions.
Proprietà pubblica ID Returns the ID, which is a GUID, of the DtsContainer. The value is read-only. Ereditato da DtsContainer.
Proprietà pubblica IsDefaultLocaleID A Boolean that indicates whether the container uses the default locale. This property is read-only. Ereditato da DtsContainer.
Proprietà pubblica IsolationLevel Gets or sets the isolation level of the transaction in the DtsContainer object. Ereditato da DtsContainer.
Proprietà pubblica LocaleID Gets or sets an Integer that indicates the Microsoft Win32® localeID to use when the DtsContainer object is executed. Ereditato da DtsContainer.
Proprietà pubblica LogEntryInfos Returns a LogEntryInfos object. This property is read-only. Ereditato da DtsContainer.
Proprietà pubblica LoggingMode Gets or sets a valid value from the DTSLoggingMode enumeration that indicates the logging mode of the container. Ereditato da DtsContainer.
Proprietà pubblica LoggingOptions Returns an object that contains properties that indicates the filtering and logging resource for containers. This property is read-only. Ereditato da DtsContainer.
Proprietà pubblica MaximumErrorCount Gets or sets an Integer value that indicates the maximum number of errors that can occur before the DtsContainer object stops running. Ereditato da DtsContainer.
Proprietà pubblica Name Gets or sets the name of the DtsContainer. Ereditato da DtsContainer.
Proprietà pubblica Parent Returns the parent container. The value is read-only. Ereditato da DtsContainer.
Proprietà pubblica PrecedenceConstraints Returns a PrecedenceConstraints collection that contains all of the precedence constraints associated with the ForEachLoop.
Proprietà pubblica Properties Returns a collection of DtsProperty objects associated with the ForEachLoop.
Proprietà pubblica Site Infrastruttura. Gets or sets the site for the container. Ereditato da DtsContainer.
Proprietà pubblica StartTime Returns the time that the container began execution. This property is read-only. Ereditato da DtsContainer.
Proprietà pubblica StopTime Returns the time that the container ended execution. This property is read-only. Ereditato da DtsContainer.
Proprietà pubblica SuspendRequired Gets or sets a Boolean that indicates if tasks should suspend when they encounter a breakpoint. This value is set by the runtime engine for tasks and containers when a breakpoint is encountered. Ereditato da DtsContainer.
Proprietà pubblica TransactionOption Gets or sets a DTSTransactionOption enumeration value that indicates whether the container participates in transactions. Ereditato da DtsContainer.
Proprietà pubblica VariableDispenser Returns a VariableDispenser object so variables associated with the container can be locked. Ereditato da DtsContainer.
Proprietà pubblica VariableMappings Returns a ForEachVariableMappings collection that contains the variable mappings for the ForEachLoop.
Proprietà pubblica Variables Returns a collection that contains the variables associated with this container. This property is read-only. Ereditato da DtsContainer.

In alto

Metodi

  Nome Descrizione
Metodo pubblico AcceptBreakpointManager This method is called by the run-time engine when a task or container is created, and passes it a BreakpointManager manager to allow the task to create, remove, and check the status of breakpoints. This method is called by the runtime and is not used in code. Ereditato da DtsContainer.
Metodo pubblico Dispose Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources. Ereditato da DtsContainer.
Metodo pubblico Equals Determines whether two object instances are equal. Ereditato da DtsObject.
Metodo pubblico Execute Runs the application, container, or package as part of a package workflow. Ereditato da DtsContainer.
Metodo pubblico GetExecutionPath Gets the execution path for the ForEachLoop object.
Metodo pubblico GetExpression Returns a String that contains the expression for the specified property. Null means no expression is assigned.
Metodo pubblico GetHashCode Returns the hash code for this instance. Ereditato da DtsObject.
Metodo pubblico GetPackagePath Returns a String that contains the relative path to the package location.
Metodo pubblico GetType Ereditato da Object.
Metodo pubblico LoadFromXML This method is not callable by your application code. To load a package saved as .xml, use the Application.LoadPackage method. Ereditato da DtsContainer.
Metodo pubblico ResumeExecution Resumes execution of the task after pausing. The task or container is resumed by the runtime engine. Ereditato da DtsContainer.
Metodo pubblico SaveToXML This method is not callable by your application code. To save a package as .xml, use the Application.SaveToXml method. Ereditato da DtsContainer.
Metodo pubblico SetExpression Assigns the specified expression to the property. Specify nullriferimento Null (Nothing in Visual Basic). to remove an existing expression from the property.
Metodo pubblico SuspendExecution Called when the executable needs to suspend. This method is called by the runtime engine. Ereditato da DtsContainer.
Metodo pubblico ToString Ereditato da Object.
Metodo pubblico Validate Allows the container to determine if it contains invalid settings that will prevent it from executing successfully. Ereditato da DtsContainer.

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Eventi

  Nome Descrizione
Evento pubblico Disposed Adds an event handler to listen to the Disposed event on the component. Ereditato da DtsContainer.

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Campi

  Nome Descrizione
Campo protetto m_executable Infrastruttura. The executable. Ereditato da Executable.

In alto

Osservazioni

At run time, the control flow in the ForEachLoop container is repeated within the overall package control flow.

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