Code to create CAPTCHA code in ASP.NET?

Question

Hi,

I want to create a CAPTCHA similar to http://www.gigbooks.com/getcaptcha.php this one. But its in PHP an anyone provide me the code to create the same in ASP.NET ?

I am using ASP.NET 2.0 (C#)

Thanks,

Answer 1

Take a look at recaptcha. That's what stackoverflow uses. And it has the side benefit of completing the work of transcribing printed material to electronic form.

Answer 2

Find a .NET captcha control like this one:

http://www.codeproject.com/KB/custom-controls/CaptchaControl.aspx

Then just change the way the image is generated.