我在修改密码中加入验证原密码是否正确但是在测试的时候怎么出现这个情况。。。如果去掉了又没事这个是怎么回事啊。。。。

以下是代码

<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<!--#include file="../Connections/conn.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 & "?" & Server.HTMLEncode(Request.QueryString)
End If

' boolean to abort record edit
MM_abortEdit = false

' query string to execute
MM_editQuery = ""
%>
<%
' *** Update Record: set variables

If (CStr(Request("MM_update")) = "form1"And CStr(Request("MM_recordId")) <> "") Then
if (request("ymm"))<>(Recordset1.Fields.Item("mm_biao").Value) then
Response.Redirect("cuowu.asp")
response.End()
end if
' *** Update Record: set variables
  MM_editConnection = MM_conn_STRING
  MM_editTable = "yh_biao"
  MM_editColumn = "ID"
  MM_recordId = "" + Request.Form("MM_recordId") + ""
  MM_editRedirectUrl = "xg_cg.asp?type=true"
  MM_fieldsStr  = "mm_biao|value"
  MM_columnsStr = "mm_biao|',none,''"

  ' create the MM_fields and MM_columns arrays
  MM_fields = Split(MM_fieldsStr, "|")
  MM_columns = Split(MM_columnsStr, "|")

 
  ' set the form values
  For MM_i = LBound(MM_fields) To UBound(MM_fields) Step 2
    MM_fields(MM_i+1) = CStr(Request.Form(MM_fields(MM_i)))
  Next

  ' 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
%>
<%
' *** Update Record: construct a sql update statement and execute it
If (CStr(Request("MM_update")) <> "" And CStr(Request("MM_recordId")) <> "") Then
  ' create the sql update statement
  MM_editQuery = "update " & MM_editTable & " set "
  For MM_i = LBound(MM_fields) To UBound(MM_fields) Step 2
    MM_formVal = MM_fields(MM_i+1)
    MM_typeArray = Split(MM_columns(MM_i+1),",")
    MM_delim = MM_typeArray(0)
    If (MM_delim = "none") Then MM_delim = ""
    MM_altVal = MM_typeArray(1)
    If (MM_altVal = "none") Then MM_altVal = ""
    MM_emptyVal = MM_typeArray(2)
    If (MM_emptyVal = "none") Then MM_emptyVal = ""
    If (MM_formVal = "") Then
      MM_formVal = MM_emptyVal
    Else
      If (MM_altVal <> "") Then
        MM_formVal = MM_altVal
      ElseIf (MM_delim = "'") Then  ' escape quotes
        MM_formVal = "'" & Replace(MM_formVal,"'","''") & "'"
      Else
        MM_formVal = MM_delim + MM_formVal + MM_delim
      End If
    End If
    If (MM_i <> LBound(MM_fields)) Then
      MM_editQuery = MM_editQuery & ","
    End If
    MM_editQuery = MM_editQuery & MM_columns(MM_i) & " = " & MM_formVal
  Next
  MM_editQuery = MM_editQuery & " where " & MM_editColumn & " = " & MM_recordId

  If (Not MM_abortEdit) Then
    ' execute the update
    Set MM_editCmd = Server.CreateObject("")
    MM_editCmd.ActiveConnection = MM_editConnection
    MM_ = MM_editQuery
    MM_editCmd.Execute
    MM_editCmd.ActiveConnection.Close

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

End If
%>
<%
Dim Recordset1__MMColParam
Recordset1__MMColParam = "1"
If (Session("MM_username") <> "") Then
  Recordset1__MMColParam = Session("MM_username")
End If
%>
<%
Dim Recordset1
Dim Recordset1_numRows

Set Recordset1 = Server.CreateObject("ADODB.Recordset")
Recordset1.ActiveConnection = MM_conn_STRING
Recordset1.Source = "SELECT * FROM yh_biao WHERE zh_biao = '" + Replace(Recordset1__MMColParam, "'", "''") + "'"
Recordset1.CursorType = 0
Recordset1.CursorLocation = 2
Recordset1.LockType = 1
Recordset1.Open()

Recordset1_numRows = 0
%><link href="images/skin.css" rel="stylesheet" type="text/css" />
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" /><style type="text/css">
<!--
body {
margin-left: 0px;
margin-top: 0px;
margin-right: 0px;
margin-bottom: 0px;
background-color: #EEF2FB;
}
.STYLE1 {
font-size: 16px;
font-weight: bold;
}
<!--
</style>
<body>
<table width="100%" border="0" cellpadding="0" cellspacing="0">
  <tr>
    <td width="17" valign="top" background="images/mail_leftbg.gif"><img src="images/left-top-right.gif" width="17" height="29" /></td>
    <td valign="top" background="images/content-bg.gif"><table width="100%" height="31" border="0" cellpadding="0" cellspacing="0" class="left_topbg" id="table2">
      <tr>
        <td height="31"><div class="titlebt">修改密码</div></td>
      </tr>
    </table></td>
    <td width="16" valign="top" background="images/mail_rightbg.gif"><img src="images/nav-right-bg.gif" width="16" height="29" /></td>
  </tr>
  <tr>
    <td valign="middle" background="images/mail_leftbg.gif">&nbsp;</td>
    <td valign="top" bgcolor="#F7F8F9"><table width="95%" height="325" border="0" cellpadding="0" cellspacing="0">
      <tr>
        <td height="42" align="center"><span class="STYLE1">修改密码</span></td>
      </tr>
      <tr>
        <td width="83%" height="75" valign="top"><p>&nbsp;</p>
            <p>&nbsp;</p>
         
           
                      <form method="POST" action="<%=MM_editAction%>" name="form1">
              <table align="center">
                <tr valign="baseline">
                  <td nowrap align="right">用户名：</td>
                  <td><%=(Recordset1.Fields.Item("zh_biao").Value)%></td>
                </tr>
                <tr valign="baseline">
                  <td nowrap align="right">原始密码：</td>
                  <td><input name="ymm" type="password" id="ymm"></td>
                </tr>
                <tr valign="baseline">
                  <td nowrap align="right">新密码：</td>
                  <td><input type="password" name="mm_biao" value="<%=(Recordset1.Fields.Item("mm_biao").Value)%>" size="20">                  </td>
                </tr>
                <tr valign="baseline">
                  <td nowrap align="right">重复密码：</td>
                  <td><input name="cfmm" type="password" id="cfmm"></td>
                </tr>
                <tr valign="baseline">
                  <td nowrap align="right">&nbsp;</td>
                  <td><input type="submit" value="确认修改">                  </td>
                </tr>
              </table>
              <input type="hidden" name="MM_update" value="form1">
              <input type="hidden" name="MM_recordId" value="<%= Recordset1.Fields.Item("ID").Value %>">
            </form>
            <p>&nbsp;</p>
            <p>&nbsp;</p>
          <p>&nbsp;</p>
          <p>&nbsp;</p></td>
      </tr>
    </table></td>
    <td background="images/mail_rightbg.gif">&nbsp;</td>
  </tr>
  <tr>
    <td valign="bottom" background="images/mail_leftbg.gif"><img src="images/buttom_left2.gif" width="17" height="17" /></td>
    <td background="images/buttom_bgs.gif"><img src="images/buttom_bgs.gif" width="17" height="17"></td>
    <td valign="bottom" background="images/mail_rightbg.gif"><img src="images/buttom_right2.gif" width="16" height="17" /></td>
  </tr>
</table>
</body>
<%
Recordset1.Close()
Set Recordset1 = Nothing
%>