Thanks to your answer.
"bruce barker" <brucebarker@discussions.microsoft.com> ¼¶¼g©ó¶l¥ó·s»D:5CED3D6B-257F-4AA5-91F8-7A2ADFC1C9D1@microsoft.com...
> your CaptchaControl.aspx page need anonymous access (no security) or it
> can
> not be displayed until the user has logged in (will just redirect to the
> login page)
>
> -- bruce (sqlwork.com)
>
>
> "ad" wrote:
>
>> I use form authentication mode to verify users like:
>> <authentication mode="Forms">
>> <forms name="MyCookie" loginUrl="Login.aspx" defaultUrl="Home.aspx"
>> protection="Validation">
>>
>> and I want to use a CAPTCHA component form
>>
http://www.codeproject.com/KB/custom-controls/CaptchaControl.aspx >>
>> But I find this component can't display the image in the login.aspx, but
>> it
>> can display well in other pages like home.apsx ...
>>
>> What's the problem?
>>
>> I must use the CAPTCHA component in login.aspx
>>
>>
>>