[Last Call] Learn how to a build a cloud-first strategyRegister Now

  • Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 581
  • Last Modified:


hey guys i need to have Captcha to validate that the user is human. i need the user to select the correct image to continue. the Captcha must be inside a update panel.

i have used this website but i getting it to work on page load but when i click or do a postback it go to text the Captcha


please help me
1 Solution
Luis PérezSoftware Architect in .NetCommented:
Try this module, it is widely used in the WWW and it's easy to use with ASP.net:


Here you got the ASP.net-specific page on how to use it:


Hope that helps.
JCWEBHOSTAuthor Commented:
sorry but i am looking for the one which list 4 image and the user selects the correct image.

it will say somthing like click on a computer and have four different image and the user must click on the correct image

Featured Post

Free Tool: Subnet Calculator

The subnet calculator helps you design networks by taking an IP address and network mask and returning information such as network, broadcast address, and host range.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

Tackle projects and never again get stuck behind a technical roadblock.
Join Now