Sub PollButton_Click(ByVal sender As Object, ByVal e As System.EventArgs)
Dim Cpadapter AS new OleDbDataAdapter
Dim CpCommand AS new OleDbCommand
Dim dt AS System.Data.DataSet
Dim Tystring as string
Conn.open()
Cpstring2="Update POLL SET "+Pollradio.SelectedItem.Value+"="+cstr (PollData. FieldValue(Pollradio.SelectedItem.Value, nothing)+1)
CpCommand=new OleDbCommand(Cpstring2,conn)
CpCommand.ExecuteNonQuery()
End Sub


编译错误
说明: 在编译向该请求提供服务所需资源的过程中出现错误。请检查下列特定错误详细信息并适当地修改源代码。

编译器错误信息: BC30002: 未定义类型“OleDbDataAdapter”。

源错误:



行 13: <script runat="server">
行 14: Sub PollButton_Click(ByVal sender As Object, ByVal e As System.EventArgs)
行 15: Dim Cpadapter AS new OleDbDataAdapter
行 16: Dim CpCommand AS new OleDbCommand
行 17: Dim dt AS System.Data.DataSet

可能是没有引入命名空间的问题
import System.Data.OleDb;
试试加上这一句。