Task Class
Defines an abstract class that implements the methods and properties common to all tasks in Integration Services.
命名空間: Microsoft.SqlServer.Dts.Runtime
組件: Microsoft.SqlServer.ManagedDTS (in microsoft.sqlserver.manageddts.dll)
語法
'宣告
Public MustInherit Class Task
Inherits DtsObject
Implements IDTSManagedTask
public abstract class Task : DtsObject, IDTSManagedTask
public ref class Task abstract : public DtsObject, IDTSManagedTask
public abstract class Task extends DtsObject implements IDTSManagedTask
public abstract class Task extends DtsObject implements IDTSManagedTask
備註
更新的範例程式碼：2006 年 7 月 17 日
A package consists of one or more tasks. These tasks define units of work that are performed as part of copying and transforming data, communicating with other processes, and performing database management functions.
Inherits from DtsObject and IDTSManagedTask.
Inheritance Hierarchy
System.Object
Microsoft.SqlServer.Dts.Runtime.DtsObject
Microsoft.SqlServer.Dts.Runtime.Task
Derived Classes
範例
The following code example is a very simple task implementation for a custom task that inherits from Task.
using System;
using Microsoft.SqlServer.Dts.Runtime;
class MyTask : Task
{
private int m_value = 123;
public override DTExecResult Execute(Connections connections,
Variables variables, IDTSEvents events,
IDTSLogging log, int lastExecResult, DtsTransaction txn)
{
return m_value;
}
}
Imports System
Imports Microsoft.SqlServer.Dts.Runtime
Class MyTask
Inherits Task
Private m_value As Integer = 123
Public Overrides DTExecResult Property connections,() As Execute(Connections
End Property
Variables variables, IDTSEvents events,
IDTSLogging log,int Function txn)() As lastExecResult,DtsTransaction
Return m_value
End Function
End Class
執行緒安全性
Any public static (Shared in Microsoft Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
平台
開發平台
如需受支援的平台清單，請參閱＜安裝 SQL Server 2005 的硬體和軟體需求＞。
目標平台
如需受支援的平台清單，請參閱＜安裝 SQL Server 2005 的硬體和軟體需求＞。