delmusic.asp

超炫电台程序开发了两个版本了

<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!--#include file="../Connections/radio.asp" -->
<%
' *** Edit Operations: declare variables

Dim MM_editAction
Dim MM_abortEdit
Dim MM_editQuery
Dim MM_editCmd

Dim MM_editConnection
Dim MM_editTable
Dim MM_editRedirectUrl
Dim MM_editColumn
Dim MM_recordId

Dim MM_fieldsStr
Dim MM_columnsStr
Dim MM_fields
Dim MM_columns
Dim MM_typeArray
Dim MM_formVal
Dim MM_delim
Dim MM_altVal
Dim MM_emptyVal
Dim MM_i

MM_editAction = CStr(Request.ServerVariables("SCRIPT_NAME"))
If (Request.QueryString <> "") Then
  MM_editAction = MM_editAction & "?" & Request.QueryString
End If

' boolean to abort record edit
MM_abortEdit = false

' query string to execute
MM_editQuery = ""
%>
<%
' *** Delete Record: declare variables

if (CStr(Request("MM_delete")) = "form1" And CStr(Request("MM_recordId")) <> "") Then

  MM_editConnection = MM_radio_STRING
  MM_editTable = "music"
  MM_editColumn = "ID"
  MM_recordId = "" + Request.Form("MM_recordId") + ""
  MM_editRedirectUrl = "music.asp"

  ' append the query string to the redirect URL
  If (MM_editRedirectUrl <> "" And Request.QueryString <> "") Then
    If (InStr(1, MM_editRedirectUrl, "?", vbTextCompare) = 0 And Request.QueryString <> "") Then
      MM_editRedirectUrl = MM_editRedirectUrl & "?" & Request.QueryString
    Else
      MM_editRedirectUrl = MM_editRedirectUrl & "&" & Request.QueryString
    End If
  End If
  
End If
%>
<%
' *** Delete Record: construct a sql delete statement and execute it

If (CStr(Request("MM_delete")) <> "" And CStr(Request("MM_recordId")) <> "") Then

  ' create the sql delete statement
  MM_editQuery = "delete from " & MM_editTable & " where " & MM_editColumn & " = " & MM_recordId

  If (Not MM_abortEdit) Then
    ' execute the delete
    Set MM_editCmd = Server.CreateObject("ADODB.Command")
    MM_editCmd.ActiveConnection = MM_editConnection
    MM_editCmd.CommandText = MM_editQuery
    MM_editCmd.Execute
    MM_editCmd.ActiveConnection.Close

    If (MM_editRedirectUrl <> "") Then
      Response.Redirect(MM_editRedirectUrl)
    End If
  End If

End If
%>
<%
Dim music
Dim music_numRows

Set music = Server.CreateObject("ADODB.Recordset")
music.ActiveConnection = MM_radio_STRING
music.Source = "SELECT * FROM music"
music.CursorType = 0
music.CursorLocation = 2
music.LockType = 1
music.Open()

music_numRows = 0
%>
<%
'  *** Recordset Stats, Move To Record, and Go To Record: declare stats variables

Dim music_total
Dim music_first
Dim music_last

' set the record count
music_total = music.RecordCount

' set the number of rows displayed on this page
If (music_numRows < 0) Then
  music_numRows = music_total
Elseif (music_numRows = 0) Then
  music_numRows = 1
End If

' set the first and last displayed record
music_first = 1
music_last  = music_first + music_numRows - 1

' if we have the correct record count, check the other stats
If (music_total <> -1) Then
  If (music_first > music_total) Then
    music_first = music_total
  End If
  If (music_last > music_total) Then
    music_last = music_total
  End If
  If (music_numRows > music_total) Then
    music_numRows = music_total
  End If
End If
%>
<%
Dim MM_paramName 
%>
<%
' *** Move To Record and Go To Record: declare variables

Dim MM_rs
Dim MM_rsCount
Dim MM_size
Dim MM_uniqueCol
Dim MM_offset
Dim MM_atTotal
Dim MM_paramIsDefined

Dim MM_param
Dim MM_index

Set MM_rs    = music
MM_rsCount   = music_total
MM_size      = music_numRows
MM_uniqueCol = "ID"
MM_paramName = "id"
MM_offset = 0
MM_atTotal = false
MM_paramIsDefined = false
If (MM_paramName <> "") Then
  MM_paramIsDefined = (Request.QueryString(MM_paramName) <> "")
End If
%>
<%
' *** Move To Specific Record: handle detail parameter

If (MM_paramIsDefined And MM_rsCount <> 0) Then

  ' get the value of the parameter
  MM_param = Request.QueryString(MM_paramName)

  ' find the record with the unique column value equal to the parameter value
  MM_offset = 0
  Do While (Not MM_rs.EOF)
    If (CStr(MM_rs.Fields.Item(MM_uniqueCol).Value) = MM_param) Then
      Exit Do
    End If
    MM_offset = MM_offset + 1
    MM_rs.MoveNext
  Loop

  ' if not found, set the number of records and reset the cursor
  If (MM_rs.EOF) Then
    If (MM_rsCount < 0) Then
      MM_rsCount = MM_offset
    End If
    If (MM_size < 0 Or MM_size > MM_offset) Then
      MM_size = MM_offset
    End If
    MM_offset = 0

    ' reset the cursor to the beginning
    If (MM_rs.CursorType > 0) Then
      MM_rs.MoveFirst
    Else
      MM_rs.Close
      MM_rs.Open
    End If
  End If

End If
%>
<%
' *** Move To Record: if we dont know the record count, check the display range

If (MM_rsCount = -1) Then

  ' walk to the end of the display range for this page
  MM_index = MM_offset
  While (Not MM_rs.EOF And (MM_size < 0 Or MM_index < MM_offset + MM_size))
    MM_rs.MoveNext
    MM_index = MM_index + 1
  Wend

  ' if we walked off the end of the recordset, set MM_rsCount and MM_size
  If (MM_rs.EOF) Then
    MM_rsCount = MM_index
    If (MM_size < 0 Or MM_size > MM_rsCount) Then
      MM_size = MM_rsCount
    End If
  End If

  ' if we walked off the end, set the offset based on page size
  If (MM_rs.EOF And Not MM_paramIsDefined) Then
    If (MM_offset > MM_rsCount - MM_size Or MM_offset = -1) Then
      If ((MM_rsCount Mod MM_size) > 0) Then
        MM_offset = MM_rsCount - (MM_rsCount Mod MM_size)
      Else
        MM_offset = MM_rsCount - MM_size
      End If
    End If
  End If

  ' reset the cursor to the beginning
  If (MM_rs.CursorType > 0) Then
    MM_rs.MoveFirst
  Else
    MM_rs.Requery
  End If

  ' move the cursor to the selected record
  MM_index = 0
  While (Not MM_rs.EOF And MM_index < MM_offset)
    MM_rs.MoveNext
    MM_index = MM_index + 1
  Wend
End If
%>
<%
' *** Move To Record: update recordset stats

' set the first and last displayed record
music_first = MM_offset + 1
music_last  = MM_offset + MM_size

If (MM_rsCount <> -1) Then
  If (music_first > MM_rsCount) Then
    music_first = MM_rsCount
  End If
  If (music_last > MM_rsCount) Then
    music_last = MM_rsCount
  End If
End If

' set the boolean used by hide region to check if we are on the last record
MM_atTotal = (MM_rsCount <> -1 And MM_offset + MM_size >= MM_rsCount)
%>

<SCRIPT RUNAT=SERVER LANGUAGE=VBSCRIPT>										
function DoWhiteSpace(str)												
	DoWhiteSpace = Replace((Replace(str, vbCrlf, "<br>")), chr(32)&chr(32), "&nbsp;&nbsp;")			
End Function														
</SCRIPT>														
<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
</head>

<body>
<form name="form1" method="POST" action="<%=MM_editAction%>">
  <table align="center">
    <tr> 
      <td><div align="right"><font size="2">听众：</font></div></td>
      <td><font size="2"><%=(music.Fields.Item("签名").Value)%></font></td>
    </tr>
    <tr> 
      <td><div align="right"><font size="2">歌手：</font></div></td>
      <td><font size="2"><%=(music.Fields.Item("歌手").Value)%></font></td>
    </tr>
    <tr> 
      <td><div align="right"><font size="2">歌名：</font></div></td>
      <td><font size="2"><%=(music.Fields.Item("歌名").Value)%></font></td>
    </tr>
    <tr> 
      <td valign="top"><div align="right"><font size="2">点歌留言：</font></div></td>
      <td><font size="2"><%= DoWhiteSpace(music.Fields.Item("点歌留言").Value)%></font></td>
    </tr>
    <tr> 
      <td height="23"><div align="right"><font size="2"></font></div></td>
      <td><font size="2"> 
        <input type="submit" name="Submit" value="删除">
        </font></td>
    </tr>
  </table>
  <input type="hidden" name="MM_delete" value="form1">
  <input type="hidden" name="MM_recordId" value="<%= music.Fields.Item("ID").Value %>">
</form>
</body>
</html>
<%
music.Close()
Set music = Nothing
%>