Hi Rahul,
Thanks for contacting Syncfusion support.
We checked your requirement to render Captcha in Asp.Net WebForms. The Captcha is rendered fine with the provided handler code in the below getting started documentation.
We have attached an Asp.Net sample with Captcha for your reference in the following link.
Please check the above sample and if issue persists, kindly share us the following details to assist you promptly.
- Screenshot or video demonstration on the exact issue in your end.
- Code snippets used in your sample.
- Exact product version in which you get the issue.
- If possible, modify the above sample to replicate the issue in our end.
Please let us know if you need further assistance.
Regards,
Keerthana.