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ExpressionTask Class

SQL Server 2012

Contains the members used to configure and run an Expression task.

System.Object
  Microsoft.SqlServer.Dts.Runtime.DtsObject
    Microsoft.SqlServer.Dts.Runtime.Task
      Microsoft.SqlServer.Dts.Tasks.ExpressionTask.ExpressionTask

Namespace:  Microsoft.SqlServer.Dts.Tasks.ExpressionTask
Assembly:  Microsoft.SqlServer.ExpressionTask (in Microsoft.SqlServer.ExpressionTask.dll)

[GuidAttribute("2EE7D9A9-DA39-4F6F-A1E4-804F1FBC544C")]
public class ExpressionTask : Task, 
	IDTSBreakpointSite, IDTSSuspend, IDTSComponentPersist

The ExpressionTask type exposes the following members.

  NameDescription
Public methodExpressionTaskInitializes a new instance of the ExpressionTask class.
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  NameDescription
Public propertyDebugModeGets or sets a Boolean that indicates whether a task should determine whether breakpoints are enabled.
Public propertyExecutionValueReturns the result of the task execution. (Overrides Task.ExecutionValue.)
Public propertyExpressionGets or sets the expression to be executed by the task.
Public propertySuspendRequiredGets or sets a Boolean that indicates whether 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.
Public propertyVersion*** Member deprecated; see Remarks. ***   Returns the version of the task. This property is read-only. (Inherited from Task.)
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  NameDescription
Public methodAcceptBreakpointManagerCalled by the run-time engine when a task or container is created, and is passed a BreakpointManager to enable the task to create, remove, and check the status of breakpoints. This method is called by the runtime and is not used in code.
Public methodCanUpdate*** Member deprecated; see Remarks. ***   A Boolean that indicates whether the new package XML can update the old package XML. (Inherited from Task.)
Public methodEqualsDetermines whether two object instances are equal. (Inherited from DtsObject.)
Public methodExecuteRuns the task. (Overrides Task.Execute(Connections, VariableDispenser, IDTSComponentEvents, IDTSLogging, Object).)
Protected methodFinalize (Inherited from Object.)
Public methodGetConnectionIDGets a String containing the ID of the connection. (Inherited from Task.)
Public methodGetConnectionNameGets a String containing the name of the connection. (Inherited from Task.)
Public methodGetHashCodeReturns the hash code for this instance. (Inherited from DtsObject.)
Public methodGetType (Inherited from Object.)
Public methodInitializeTaskInitializes the properties associated with the task. This method is called by the runtime and is not used in code. (Inherited from Task.)
Public methodLoadFromXMLLoads the definition of the task, in XML format, from the XML definition of the package.
Protected methodMemberwiseClone (Inherited from Object.)
Public methodResumeExecutionResumes execution of the task after pausing. The task or container is resumed by the runtime engine.
Public methodSaveToXMLSaves the definition of the task, in XML format, into the XML definition of the package.
Public methodSuspendExecutionIndicates that the executable needs to suspend. This method is called by the runtime engine.
Public methodToString (Inherited from Object.)
Public methodUpdate*** Member deprecated; see Remarks. ***   This method updates the old package XML with the new package XML if CanUpdate is set to true. (Inherited from Task.)
Public methodValidateVerifies that the task is properly configured. (Overrides Task.Validate(Connections, VariableDispenser, IDTSComponentEvents, IDTSLogging).)
Public methodValidateExpressionVerifies that the expression is properly configured.
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Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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