<%@ Import Namespace="System.Data" %>
<%@ Import NameSpace="System.Data.OleDb" %>
<html>
<head runat=server>
<title></title>
</head>
<body>
<%
Dim objCon As OleDbConnection
Dim objCmd As OleDbCommand
Dim objDataReader As OleDbDataReader
Dim intFCount, intI As Integer
Dim pageNo, pageSize As String
Dim intPageNo, intPageSize, intStartRec, intStopRec As Integer
Dim intMaxPageCount, intMaxRec, intCount As Integer
' 取得目前資料表記錄的頁數
pageNo = Request.QueryString("PageNo")
If pageNo = "" Then
intPageNo = 1
Else
intPageNo = Convert.ToInt32(pageNo)
End If
'//取得每一頁顯示的記錄數
pageSize = Request.QueryString("PageSize")
If pageSize = "" Then
intPageSize = 2
intPageSize = Convert.ToInt32(pageSize)
' OLEDB提供者字串
Dim strDbCon = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & _
Server.Mappath("Users.mdb")
' 建立Connection物件
objCon = New OleDbConnection(strDbCon)
objCon.Open() ' 開啟資料庫連結
' 建立Command物件的SQL指令
objCmd = New OleDbCommand()
objCmd.CommandText = "SELECT Count(*) FROM Users"
objCmd.Connection = objCon
' 取得DataReader物件的記錄數
objDataReader = objCmd.ExecuteReader()
objDataReader.Read()
intMaxRec = objDataReader.GetValue(0)
objDataReader.Close() ' 關閉DataReader物件
' 第二次取得記錄內容
objCmd.CommandText = "SELECT * FROM Users"
' 取得欄位數目
intFCount = objDataReader.FieldCount - 1
' 是否有查詢到記錄
If intMaxRec > 0 Then
' 計算開始的記錄
intStartRec = intPageSize * (intPageNo - 1) + 1
' 計算結束的記錄
intStopRec = intStartRec + intPageSize - 1
' 計算頁數
intMaxPageCount = intMaxRec \ intPageSize
If (intMaxRec MOD intPageSize) > 0 Then
intMaxPageCount = intMaxPageCount + 1
End If
Response.Write("<table border=1><tr>")
' 顯示資料庫的欄位名稱
For intI = 0 to intFCount
Response.Write("<td><b>" & objDataReader.GetName(intI) & "</b></td>")
Next
Response.Write("</tr>")
intCount = 0
' 顯示資料表的記錄
While objDataReader.Read() AND intCount < intStopRec
intCount = intCount + 1
If intCount >= intStartRec Then
Response.Write("<tr>")
' 顯示每筆記錄的欄位
For intI = 0 to intFCount
If objDataReader.IsDBNull(intI) = False Then
Response.Write("<td valign=""top"">" & objDataReader.Item(intI) & "</td>")
Else
Response.Write("<td valign=""top"">---</td>")
End If
Next
Response.Write("</tr>")
End If
End While
Response.Write("</table>")
objDataReader.Close() ' 關閉DataReader
Response.Write("一共有" & intMaxRec & "筆<br>")
' 目前的頁數
Response.Write("目前為第" & intPageNo & "頁/總共有" & intMaxPageCount & "頁<br>")
' 建立數字的超連結
Dim strURL, intPreviousPageNo, intNextPageNo
For intI = 1 To intMaxPageCount
strURL = "<a href='Ch10-2-3.aspx?PageNo=" & intI
strURL = strURL & "&PageSize=" & intPageSize & "'>" & intI & "</a>"
Response.Write(strURL & " ")
If intI mod 10 = 0 Then
Response.Write("<br>")
End If
next
' 上一頁的超連結
intPreviousPageNo = intPageNo - 1
If intPreviousPageNo > 0 Then
strURL = "<a href='Ch10-2-3.aspx?PageNo=" & intPreviousPageNo
strURL = strURL & "&PageSize=" & intPageSize & "'>上一頁</a>"
' 下一頁的超連結
intNextPageNo = intPageNo + 1
If intNextPageNo <= intMaxPageCount Then
strURL = "<a href='Ch10-2-3.aspx?PageNo=" & intNextPageNo
strURL = strURL & "&PageSize=" & intPageSize & "'>下一頁</a>"
End If
objCon.Close() ' 關閉資料庫連結
%>
</body>
</html>
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