【VB.NET】ADO.Net学习，二DataReader填充DataTable

Imports System

Imports System.Data

Imports System.Data.Common

Namespace DataUtils

Public Class DataReaderAdapter

Inherits DbDataAdapter

Public Function FillFromReader(ByRef dataTable As DataTable, ByVal dataReader As IDataReader) As Integer

Return Me.Fill(dataTable, dataReader)

End Function

Protected Overloads Overrides Function CreateRowUpdatedEvent(ByVal dataRow As DataRow, ByVal command As IDbCommand, ByVal statementType As StatementType, ByVal tableMapping As DataTableMapping) As RowUpdatedEventArgs

Return Nothing

End Function

Protected Overloads Overrides Function CreateRowUpdatingEvent(ByVal dataRow As DataRow, ByVal command As IDbCommand, ByVal statementType As StatementType, ByVal tableMapping As DataTableMapping) As RowUpdatingEventArgs

Return Nothing

End Function

Protected Overloads Overrides Sub OnRowUpdated(ByVal value As RowUpdatedEventArgs)

End Sub

Protected Overloads Overrides Sub OnRowUpdating(ByVal value As RowUpdatingEventArgs)

End Sub

End Class

End Namespace

IDataReader 接口

提供一种方法来读取一个或多个通过在数据源执行命令所获得的只进结果集流，这是由访问关系数据库的 .NET Framework 数据提供程序实现的。