How To use image captcha

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Hi Frends

. i want to implement Captcha ?????????please also tell about diffrent kinds of catcha and their implementation

Please help me

Posted 3-Sep-12 21:57pm

Devendra 1988

Updated 3-Sep-12 21:59pm

v3

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3 solutions

Solution 1

refer this thread
how to add captcha in asp.net ?[^]

More links here[^]

Posted 3-Sep-12 22:01pm

__TR__

Solution 3

Hi,

The most famous captcha is ReCaptcha[^]

ReCaptcha Developer docs[^]

You can find a lot more information on net about it.

Thanks
-Amit Gajjar

Posted 3-Sep-12 22:34pm

AmitGajjar

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Sunil Kumar Pandab · Accepted Answer · 2012-09-03T22:07:00

Solution 2

Check this out. Here you can get complete code for captcha in asp.net
CAPTCHA Image[^]

Posted 3-Sep-12 22:07pm

Sunil Kumar Pandab

Comments

Devendra 1988 4-Sep-12 4:20am

<%@ Page language="c#" Codebehind="Default.aspx.cs" AutoEventWireup="false" Inherits="CaptchaImage._Default" %>

some problem in this line in default.aspx page

error is: Error 22 Could not load type 'CaptchaImage._Default'.
Error 21 Could not load type 'CaptchaImage.JpegImage'

please sir solve this problem