通过

DefaultEvents.OnPreValidate Method

  • 项目

This method is called when the validation logic of the task starts. This event is raised when the validation of the task host or container begins.

命名空间: Microsoft.SqlServer.Dts.Runtime
程序集: Microsoft.SqlServer.ManagedDTS (in microsoft.sqlserver.manageddts.dll)

语法

声明
Public Overridable Sub OnPreValidate ( _
    exec As Executable, _
    ByRef fireAgain As Boolean _
)

public virtual void OnPreValidate (
    Executable exec,
    ref bool fireAgain
)

public:
virtual void OnPreValidate (
    Executable^ exec, 
    bool% fireAgain
)

public void OnPreValidate (
    Executable exec, 
    /** @ref */ boolean fireAgain
)

JScript 不支持由引用传递值类型参数。

参数

  • exec
    The task that this is being called on.
  • fireAgain
    A Boolean that indicates whether this should continue firing or stop firing. A value of true indicates that it should continue firing.

备注

The calls to OnPreValidate and OnPostValidate identify the validation boundaries of a task.

线程安全

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

开发平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

目标平台

有关支持的平台列表，请参阅安装 SQL Server 2005 的硬件和软件要求。

请参阅

参考

DefaultEvents Class
DefaultEvents Members
Microsoft.SqlServer.Dts.Runtime Namespace