ExpressionTask.Execute 方法

Runs the task.

命名空间：  Microsoft.SqlServer.Dts.Tasks.ExpressionTask
程序集：  Microsoft.SqlServer.ExpressionTask（在 Microsoft.SqlServer.ExpressionTask.dll 中）

语法

声明
Public Overrides Function Execute ( _
    connections As Connections, _
    variableDispenser As VariableDispenser, _
    events As IDTSComponentEvents, _
    log As IDTSLogging, _
    transaction As Object _
) As DTSExecResult
用法
Dim instance As ExpressionTask 
Dim connections As Connections 
Dim variableDispenser As VariableDispenser 
Dim events As IDTSComponentEvents 
Dim log As IDTSLogging 
Dim transaction As Object 
Dim returnValue As DTSExecResult 

returnValue = instance.Execute(connections, _
    variableDispenser, events, log, transaction)

public override DTSExecResult Execute(
    Connections connections,
    VariableDispenser variableDispenser,
    IDTSComponentEvents events,
    IDTSLogging log,
    Object transaction
)

public:
virtual DTSExecResult Execute(
    Connections^ connections, 
    VariableDispenser^ variableDispenser, 
    IDTSComponentEvents^ events, 
    IDTSLogging^ log, 
    Object^ transaction
) override

abstract Execute : 
        connections:Connections * 
        variableDispenser:VariableDispenser * 
        events:IDTSComponentEvents * 
        log:IDTSLogging * 
        transaction:Object -> DTSExecResult  
override Execute : 
        connections:Connections * 
        variableDispenser:VariableDispenser * 
        events:IDTSComponentEvents * 
        log:IDTSLogging * 
        transaction:Object -> DTSExecResult

public override function Execute(
    connections : Connections, 
    variableDispenser : VariableDispenser, 
    events : IDTSComponentEvents, 
    log : IDTSLogging, 
    transaction : Object
) : DTSExecResult

参数

• connections
  类型：Microsoft.SqlServer.Dts.Runtime.Connections
  A Connections collection for the task.

• variableDispenser
  类型：Microsoft.SqlServer.Dts.Runtime.VariableDispenser
  A Variables collection for the task.

• events
  类型：Microsoft.SqlServer.Dts.Runtime.IDTSComponentEvents
  An IDTSComponentEvents interface to raise events.

• log
  类型：Microsoft.SqlServer.Dts.Runtime.IDTSLogging
  An IDTSLogging interface.

• transaction
  类型：System.Object
  The transaction object that the task is part of. This value can be nullnull 引用（在 Visual Basic 中为 Nothing）.

返回值

类型：Microsoft.SqlServer.Dts.Runtime.DTSExecResult
A value from the DTSExecResult enumeration.

请参阅

参考

ExpressionTask 类

Microsoft.SqlServer.Dts.Tasks.ExpressionTask 命名空间