How to Disable the keyboard in Webpage using asp.net

Question

Hi all, i am Developing an Online Exam portal but i need how to Disable the Keyboard in Exam page give me any Suggestions

Manoj Bhoir · Answer

Hi, You can try this code : function lockKeyboard(lock) { if (lock == undefined || lock == null) lock = true; document.onkeydown = lock ? function (e) { return false } : null; } In your body tag write as follows Additional Information : You have to check for windowstate also. If student minimize browser window you can lock exam for that particular userid, because student can take help of google or any notes saved on local machine if you are not doing this. :):P You can use this code : $.winFocus(function(event, isVisible) { // You code here }, false); For more info check these links : http://stackoverflow.com/questions/1060008/is-there-a-way-to-detect-if-a-browser-window-is-not-currently-active http://jsfiddle.net/SpYk3/8a9N6/

Neeraj Kumar · Answer

http://www.c-sharpcorner.com/Forums/Thread/185221/

Alok Uniyal · Answer

Hi Venkata, Use onkeydown event of javascript. It fires when user press a key. So we will return false, when a user will press any key. document.onkeydown = function (e) { return false; }

How to Disable the keyboard in Webpage using asp.net

Answers (3)