Reputation: 41

ASP.NET CAPTCHA implementation

How can I implement a CAPTCHA in my ASP.NET WebForm? It is a registration form. I am a beginner in ASP.NET, thanks.

Upvotes: 4

Answers (3)

Reputation: 1249

Then add that DLL into the bin folder of your project as reference. Then register the control on your page as specified below and

<%@ Register TagPrefix="recaptcha" Namespace="Recaptcha" Assembly="Recaptcha" %>

then you can create the control as

You have to add the private key and public key provided in the recaptcha website.

Then in the code behind check Page.IsValid, if the security code does not match then the control makes Page.IsValid as false.

Upvotes: 1

Reputation: 20678

try google

anyways helping links are

Upvotes: 2

Reputation: 41902

This pages explains how to integrate the reCAPTCHA ASP.NET Library with your application. This is the same CAPTCHA used by StackOverflow.

Upvotes: 4