为什么验证码就是显示不出来呢解决方案

为什么验证码就是显示不出来呢



<%
if IsEmpty(Session( "Passed ")) then
Session( "Passed ") = False
End if

if Session( "Passed ") = False then
UserName = Trim(Request.form( "UserName "))
UserPwd = Request.form( "password ")

if UserName = " " or password = " " then
Errmsg = "如果您是本站会员，请在此登陆! "
else
If not IsNumeric(Request.Form( "confirm ")) Then
Response.Write " <script> alert( '你输入的验证码为非数字！ '); </script> "
Response.End
End If
If (int(Session( "SafeCode "))=int(Request.Form( "confirm "))) Then
set rs = server.createobject( "adodb.recordset ")
sql = "Select * from user where UserName = ' "&UserName& " ' "
rs.open sql,conn,1,3
if rs.EOF then
Errmsg = "用户不存在 "
conn.Close
Set conn = nothing
else
if md5(UserPwd) <> rs.Fields( "UserPwd ") then
Errmsg = "密码不正确 "
conn.Close
Set conn = nothing
else
Errmsg = " "
Session( "Passed ") = True
Session( "UserName ") = rs.Fields( "UserName ")
Session( "Id ") = rs.Fields( "Id ")
end if
end if
Else
Errmsg = "验证码输入错误！ "
End If
end if
end if
if Not Session( "Passed ") Then
%>
<html>
<head>
<title> login </title>
<link href= "css/style.css " rel= "stylesheet " type= "text/css " /> <style type= "text/css "> </style>
</head>

<body>
<script language = "VBScript ">
function ChkFields()
If document.MyForm.UserName.value = " " Then
window.alert( "请输入用户名！ ")
return false
End If
If document.MyForm.password.value = " " Then
window.alert( "请输入密码！ ")

return false
End If
If document.MyForm.confirm.value = " " Then
window.alert( "请输入验证码！ ")
return false
End If
return true
End Function
</script>
<form name= "loginform " method= "post " action= " " onsubmit = "return ChkFields() ">
<table width= "333 " height= "216 " border= "0 " align= "center " cellpadding= "0 " cellspacing= "0 ">
<tr>
<td background= "image/daohangbeijing.gif "> <table width= "333 " height= "261 " border= "0 " cellpadding= "0 " cellspacing= "0 " align= "center ">
<tr>
<td height= "106 "> <table width= "333 " height= "106 " border= "0 " cellpadding= "0 " cellspacing= "0 ">
<tr>
<td height= "80 ">   </td>
</tr>
<tr>
<td height= "26 " align= "center " valign= "bottom " class= "ziti ">        <%=Errmsg%> </td>
</tr>
</table> </td>
</tr>
<tr>
<td height= "155 " align= "center " valign= "top "> <table width= "200 " height= "130 " border= "0 " cellpadding= "0 " cellspacing= "0 ">
<tr>
<td height= "110 " colspan= "4 " align= "right " valign= "top "> <table width= "160 " height= "75 " border= "0 " cellpadding= "0 " cellspacing= "0 ">
<tr>
<td width= "50 " height= "25 " align= "right " class= "ziti "> 用户名： </td>

<tr>
<td align= "center " class= "ziti "> <input type= "image " value= "botton " src= "image/daohanglogin.gif " width= "150 " height= "30 "> </td>
</tr>
</table> </td>
</tr>
</table> </td>
</tr>
<tr>
<td width= "40 " height= "20 " align= "right " class= "ziti ">   </td>
<td width= "60 " align= "left " valign= "bottom " class= "ziti "> <a href= "members/user_reg.asp "> <font color= "#FFFFFF "> 用户注册 </font> </a> </td>
<td width= "90 " align= "right " valign= "bottom " class= "ziti "> <a href= "# "> <font color= "#FFFFFF "> 找回密码 </font> </a> </td>
<td width= "10 " align= "right " class= "ziti ">   </td>
</tr>
</table> </td>
</tr>
</table> </td>
</tr>
</table>
</form>
</body>
</html>
<%response.end
End if
%>

[解决办法]
http://blog.csdn.net/snlixing/archive/2007/04/19/1570856.aspx

td width= "50 " height= "25 " align= "right " class= "ziti "> 验证码： </td>
<td align= "left "> <input name= "confirm " type= "text " class= "input4 " src= " <%call GetSafeCode()%> "/> </td>

为什么验证码就是显示不出来呢解决方案

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