ExpressionTask.Validate 方法

Verifies that the task is properly configured.

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 Validate ( _
    connections As Connections, _
    variableDispenser As VariableDispenser, _
    events As IDTSComponentEvents, _
    log As IDTSLogging _
) 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 returnValue As DTSExecResult 

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

public override DTSExecResult Validate(
    Connections connections,
    VariableDispenser variableDispenser,
    IDTSComponentEvents events,
    IDTSLogging log
)

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

abstract Validate : 
        connections:Connections * 
        variableDispenser:VariableDispenser * 
        events:IDTSComponentEvents * 
        log:IDTSLogging -> DTSExecResult  
override Validate : 
        connections:Connections * 
        variableDispenser:VariableDispenser * 
        events:IDTSComponentEvents * 
        log:IDTSLogging -> DTSExecResult

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

参数

• connections
  类型：Microsoft.SqlServer.Dts.Runtime.Connections
  A collection of Connections used by the task.

• variableDispenser
  类型：Microsoft.SqlServer.Dts.Runtime.VariableDispenser
  A VariableDispenser object for using variables.

• events
  类型：Microsoft.SqlServer.Dts.Runtime.IDTSComponentEvents
  An object that implements the IDTSComponentEvents interface.

• log
  类型：Microsoft.SqlServer.Dts.Runtime.IDTSLogging
  An object that implements the IDTSLogging interface.

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