我已經編寫了一個基本的asp經典類,用於處理與我們數據庫的所有連接。 什麼時候調用一切正常,但第一次,但第二次被稱爲記錄集不打開任何想法?無法打開記錄集
Class SQLConnection
Private Sub Class_Initialize
set ConnectionObject = Server.CreateObject("ADODB.Connection")
Set RecordsetObject = Server.CreateObject("ADODB.Recordset")
End Sub
Private Sub Class_Terminate
Set ConnectionObject = Nothing
Set RecordsetObject = Nothing
End Sub
Public Default Property Get Item(sString)
On Error Resume Next
Item = RecordsetObject(sString)
On Error GoTo 0
If Err.Number <> 0 then
Item = null
End if
End Property
Public Sub MoveNext
If Not RecordsetObject.EOF Then RecordsetObject.MoveNext
End Sub
Public Function EOF
EOF = RecordsetObject.EOF
End Function
Public Sub Open(SQLStr,ConnStr)
ConnectionObject.Open ConnStr
RecordsetObject.Open SQLStr, ConnectionObject, 3
End Sub
Public Sub Close
RecordsetObject.Close
ConnectionObject.Close
End Sub
End Class
Set SQLConn = New SQLConnection
SQLConn.Open "SELECT top 10 id FROM tblProfileVillages", ConnectionString
Do While Not SQLConn.EOF
Response.write(SQLConn("id"))
SQLConn.MoveNext
Loop
SQLConn.Close
Set SQLConn = nothing
'Null'是公認的VBScript關鍵字 – AnonJr
感謝您 但這並沒有解決在錯誤轉到next'錯誤 '是不幸的,因爲如果你解析一個不存在的列名並且'isObject'和其他內建的函數不能處理'recordset'對象,那麼'recordset'會拋出一個錯誤 –
@AnonJr:有趣的我永遠不需要在所有這些年與VbScript合作的'null',我用vbNull。 @Thomas:這很明顯,但有時我掩蓋了「未定義的變量」錯誤,我沒有想到它。 – gpinkas