Progress Telerik UI for ASP.NET AJAX
ASP.NET AJAX Captcha
- A flexible website security component, the ASP.NET AJAX Captcha will protect your registrations, comments and polls from an automated spam.
- This control is part of the Telerik UI for ASP.NET AJAX suite along with 120+ full-featured components, designed to build web apps for any browser and device in half the time.
- The Web Forms UI suite comes with document processing library, rich example-driven articles and extensive docs & demos to help you with your development.
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Various Protection Modes
Choose between the captcha, an invisible textbox or a minimum form submission time to prevent automated form submissions.
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Audio Support
Enable your captcha control to be read via a generated audio code, ideal in accessibility situations.
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Validation Summary
Display your captcha errors in your existing validation summary control. -
Custom Character Set
Define which character set the captcha control will derive its image from. -
Localization and Accessibility
Provide a captcha interface for all of your users—regardless of preferred language. Thanks to the localization mechanism, based off of ASP.NET localization, you can serve the control in any language you have defined for your application.
Next Steps
Launch demos
See the UI for ASP.NET AJAX in action and check how much it can do out-of-the-box.
See pricing
Check out the offers. Purchase an individual suite or treat yourself to one of our bundles.
Download 30-day free trial
Try UI for ASP.NET AJAX with dedicated technical support.