AdomdDataReader.GetFieldType 方法
Returns a Type that represents the data type of the specified column.
命名空间： Microsoft.AnalysisServices.AdomdClient
程序集： Microsoft.AnalysisServices.AdomdClient（在 Microsoft.AnalysisServices.AdomdClient.dll 中）
语法
声明
Public Function GetFieldType ( _
ordinal As Integer _
) As Type
用法
Dim instance As AdomdDataReader
Dim ordinal As Integer
Dim returnValue As Type
returnValue = instance.GetFieldType(ordinal)
public Type GetFieldType(
int ordinal
)
public:
virtual Type^ GetFieldType(
int ordinal
) sealed
abstract GetFieldType :
ordinal:int -> Type
override GetFieldType :
ordinal:int -> Type
public final function GetFieldType(
ordinal : int
) : Type
参数
- ordinal
类型：System.Int32
The zero-based ordinal position of the column to find.
返回值
类型：System.Type
A Type that contains the type of the Object returned by the GetValue method.
实现
IDataRecord.GetFieldType(Int32)
注释
This information may be used to increase performance by indicating the strongly typed accessor to call.
If the data contained in the column changes from row to row, the type returned will be Object.