Function DataToRsStatic(Conn,strSql)
        Dim RsStatic
        On Error Resume Next
        Set DataToRsStatic = Nothing
        If Conn Is Nothing Then
                Exit Function
        End If
        Set RsStatic = CreateObject("ADODB.RecordSet")
        RsStatic.CursorLocation = 3
        RsStatic.Open strSql,Conn,3,3
        If Err.Number <> 0 Then
                Exit Function
        End If
        Set DataToRsStatic = RsStatic
End Function

Sub Dwclient1_CallerIDComing(CallerID,ConnectStr)
        m_InCallRef = 1
        m_CallerID = ""
        m_InboundCallTime = Now()
        m_CallerID = CallerID
        DialNumber.value = m_CallerID
        m_CallLogID = InsertCallLog(time(), m_CallerID, "")        
        ExtStatus.innerHTML = CallerID + "来电"
          Dim conn
        dim rstData
        Set Conn = CreateObject("ADODB.Connection")
        conn.open "DRIVER={SQL Server};SERVER=192.168.0.100;DATABASE=aaa;UID=sa;PWD=aaa"
          strSql = "SELECT * FROM DW_CUSTOMER where CUS_MOBILE = '" & CallerID & "' or CUS_PHONE = '" & CallerID & "'"
        rstData = DataToRsStatic(conn, strSql)
          If (rstData.EOF) Then
                nam.innerHTML=rstData("CUS_UNIT")
        End if
        rstData.Close
        Set rstData = nothing
        conn.close
        Set conn=Nothing
执行以后老是有错误说：对象不支持此属性或方法：'rstData.EOF'
请问要怎么改，谢谢帮忙一下