Validation checking in captcha doesnot working in asp.net?

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Am using jquery popup for sending email.there have a captcha image on the jquery popup. when i click the invalid captcha on texbox the asp button redirect and the popup will disapeared.how to solve this problem using ajax method..

Posted 7-Aug-14 19:19pm

RajeeshMenoth

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Jaimin H. Soni 9-Aug-14 8:27am

which captcha control you use?

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Sreejesh T J Nair · Answer 1 · 2014-08-13T21:47:00

Keep the captcha text in Session and when button click compare the textbox value with the session value if both are same then redirect to another page. Otherwise close the Popup windows and stay in the same page. you can use Jqery ajax for sending textbox value to code behind. If it passes then redirect to another page there itself else send back a error message in JSON. Check the data value in success function of Ajax post and hide the jquery popup