tags:

views:

598

answers:

3
+4  Q: 

Captcha image verification: in C#.net and asp.net

I want Captcha image verification.

how i can create with asp.net form?

+7  A: 

A couple of things to look at:

That was after a couple of minutes of searching - I'm sure you can find more.

Jon Skeet  2010-03-03 07:14:33
+1 Damn you Mr Skeet, you beat me to the punch.
Rook  2010-03-03 07:17:49
reCAPTCHA .NET library is perfect librarybut BotDetect ASP.NET CAPTCHA Free Trial Version
AjmeraInfo  2010-03-03 07:22:21
+1  A: 

this http://www.codeproject.com/KB/custom-controls/CaptchaControl.aspx will do great...

HasanGursoy  2010-03-03 08:59:50
use reCapthca it is alot more secure.
Rook  2010-03-03 19:01:28
Are you sure about that? I heard a friend hacker that captcha gives information to x companies that generated text at x time will be y and in this way they can spam...
HasanGursoy  2010-03-31 08:40:17
+1  A: 

I have used this one first: http://www.codeproject.com/KB/custom-controls/CaptchaControl.aspx

But I've had massive spam problems by bots. Using ReCaptcha works perfect so far.

DA  2010-03-03 09:17:25
thank you so much
AjmeraInfo  2010-03-03 18:55:04
+1 reCapthca rocks!
Rook  2010-03-03 19:02:03

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