GetSingle 方法

Gets the float stored in a PipelineBuffer column.

命名空间：  Microsoft.SqlServer.Dts.Pipeline
程序集：  Microsoft.SqlServer.PipelineHost（在 Microsoft.SqlServer.PipelineHost.dll 中）

语法

声明
Public Function GetSingle ( _
    columnIndex As Integer _
) As Single
用法
Dim instance As PipelineBuffer
Dim columnIndex As Integer
Dim returnValue As Single

returnValue = instance.GetSingle(columnIndex)

public float GetSingle(
    int columnIndex
)

public:
float GetSingle(
    int columnIndex
)

member GetSingle : 
        columnIndex:int -> float32 

public function GetSingle(
    columnIndex : int
) : float

参数

• columnIndex
  类型：System. . :: . .Int32
  The index of the column in the buffer row.

返回值

类型：System. . :: . .Single
The float contained in the PipelineBuffer column.

注释

This method works with the DT_R4 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 prior to accessing the column data.

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 在数据流中使用数据类型.

请参阅

参考

PipelineBuffer 类

Microsoft.SqlServer.Dts.Pipeline 命名空间