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asp使用activex组件实例一

作者:未知 来源:未知 加入时间:2004-12-1

test.asp
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 

  <html><head>

  <title>activex组件应用例子一</title></head>

<%
'---------------------------------------------------------
'activex组件应用例子一
'读取sql server 7 pubs数据库中authors表并分页显示
'asp文件中负责调用并前台数据检验,这里主要指page参数
'该例子完全使用activex组件来完成功能,速度快,保密性好,但页面定制能力差
'jjx by 2000/4/15
'----------------------------------------------------------------

dim blnErrorif not isempty(request("page")) then

  if not isnumeric(request("page")) then

  response.write "参数错误!"

  blnError=true

  end ifend ifif not blnError then

  dim objLoop

  Set objLoop=Server.CreateObject("Performance.Loop")

  objLoop.List()

  Set objLoop=Nothingend if%>

  </body></html>

vb loop class file创建一个performance activex dll项目,引用microsoft active
server pages library和Microsoft ActiveX Databae Object。

  填加一个class,命名为loop

Option Explicit 

  Dim MyScriptingContext As ScriptingContextDim MyRequest As RequestDim MyResponse As Response

  Sub OnEndPage()

  Set MyResponse = Nothing

  Set MyRequest = Nothing

  Set MyScriptingContext = Nothing

  End Sub

  Sub OnStartPage(PassedScriptingContext As ScriptingContext)

  Set MyScriptingContext = PassedScriptingContext

  Set MyRequest = MyScriptingContext.Request

  Set MyResponse = MyScriptingContext.Response

  

  End Sub

  Function List()

  

  Dim con As New ADODB.Connection

  Dim rs As New ADODB.Recordset

  

  Dim i As Integer

  Dim j As Integer

  Dim intPage As Integer

  Dim intPageSize As Integer

  Dim intPageCount As Integer

  Dim strScriptName As String

  Dim intPos As Integer

  Dim intFieldCount As Integer

  strScriptName = MyRequest.ServerVariables("Script_Name")

  intPos = InStrRev(strScriptName, "/")

  If intPos <> 0 Then

  strScriptName = Mid(strScriptName, intPos + 1)

  End If

  

  If IsEmpty(MyRequest("page")) Then

  intPage = 1

  Else

  intPage = CInt(MyRequest("page"))

  End If

  

  intPageSize = 10

  

  

  con.Open "Provider=SQLOLEDB.1;Persist Security Info=False;User ID=sa;Initial Catalog=pubs;Data Source=
(local)"

  rs.Open "select * from authors", con, adOpenStatic

  intFieldCount = rs.Fields.Count

  With MyResponse

  .Write "<table border=1>"

  If Not (rs.EOF And rs.BOF) Then

  rs.PageSize = 10

  rs.AbsolutePage = intPage

  intPageCount = rs.PageCount

  If intPage > intPageCount Then

  intPage = intPageCount

  End If

  

  

  If intPageCount > 1 Then

  .Write "<tr><td colspan=" & intFieldCount & ">"

  For i = 1 To intPageCount

  If intPage = i Then

  .Write "[" & i & "] "

  Else

  .Write "<a href=" & strScriptName & "?page=" & i & ">[" & i & "]</a> "

  End If

  Next

  .Write "</td></tr>"

  

  

  End If

  End If

  

  .Write "<tr>"

  For i = 0 To intFieldCount - 1

  .Write "<th>" & rs(i).Name & "</th>"

  Next

  .Write "</tr>"

  

  For i = 1 To intPageSize

  If rs.EOF Then

  Exit For

  End If

  .Write "<tr>"

  For j = 0 To intFieldCount - 1

  .Write "<td>" & rs(j).Value & "</td>"

  Next

  

  .Write "</tr>"

  rs.MoveNext

  Next

  .Write "</table>"

  End With

  rs.Close

  Set rs = Nothing

  con.Close

  Set con = Nothing

  End Function

  


(出处:不详 )





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