ColumnCount 属性

Gets the number of columns in the PipelineBuffer.

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 ReadOnly Property ColumnCount As Integer
    Get
用法
Dim instance As PipelineBuffer
Dim value As Integer

value = instance.ColumnCount

public int ColumnCount { get; }

public:
property int ColumnCount {
    int get ();
}

member ColumnCount : int

function get ColumnCount () : int

属性值

类型：System. . :: . .Int32
The number of columns in the PipelineBuffer.

注释

Most of the time, there are more columns in a PipelineBuffer than are in the input or output of a component. Because of this, developers should not expect to locate a column in a buffer row by using its index in the collection. Instead, the FindColumnByLineageID method of the BufferManager should be called, which returns the location of the input or output column in the buffer row. This value returned from this function contains the location of the column in the buffer.

请参阅

参考

PipelineBuffer 类

Microsoft.SqlServer.Dts.Pipeline 命名空间