GetDouble 方法

Gets the double stored in the PipelineBuffer column.

命名空間：  Microsoft.SqlServer.Dts.Pipeline
組件：  Microsoft.SqlServer.PipelineHost (在 Microsoft.SqlServer.PipelineHost.dll 中)

語法

'宣告
Public Function GetDouble ( _
    columnIndex As Integer _
) As Double
'用途
Dim instance As PipelineBuffer
Dim columnIndex As Integer
Dim returnValue As Double

returnValue = instance.GetDouble(columnIndex)

public double GetDouble(
    int columnIndex
)

public:
double GetDouble(
    int columnIndex
)

member GetDouble : 
        columnIndex:int -> float 

public function GetDouble(
    columnIndex : int
) : double

參數

• columnIndex
  型別：System. . :: . .Int32
  The index of the column in the PipelineBuffer row.

傳回值

型別：System. . :: . .Double
The double stored in the PipelineBuffer column.

備註

This method works with the DT_R8 data type in Integration Services.

If the value of the column is null, the PipelineBuffer produces a ColumnIsNullException. You can check for null by calling the IsNull method.

For a complete list of Integration Services data types and the corresponding Get and Set methods of the PipelineBuffer class to use with each type, see 使用資料流程中的資料類型.

請參閱

參考

PipelineBuffer 類別

Microsoft.SqlServer.Dts.Pipeline 命名空間