PipelineBuffer.GetString 方法
Gets the string stored in the buffer 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 GetString ( _
columnIndex As Integer _
) As String
用法
Dim instance As PipelineBuffer
Dim columnIndex As Integer
Dim returnValue As String
returnValue = instance.GetString(columnIndex)
public string GetString(
int columnIndex
)
public:
String^ GetString(
int columnIndex
)
member GetString :
columnIndex:int -> string
public function GetString(
columnIndex : int
) : String
参数
- columnIndex
类型：System.Int32
The index of the column in the buffer row.
返回值
类型：System.String
The string stored in the buffer column.
注释
This method works with the following Integration Services data types:
If the value being assigned to the buffer column is not a string or the buffer column DataType is not a DT_STR, DT_WSTR, DT_TEXT, or DT_NTEXT, an UnsupportedBufferDataTypeException occurs.
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 在数据流中使用数据类型.