how to change hidden field value with out postback

Question

who can help me? I have treeview and i want to change hidden field value without postback when i check a checkbox in treenode but when i control hidden field value in my code behind it do not change who do i do it?

Riyaz Akhtar · Answer

Add onclick even in checkbox see below sample code: Write a JavaScript function to set the value of your hiddenFiled: function SetValue(check) { if (check.checked) { document.getElementById(hiddenFieldName).value = you value; } }

n i · Answer

hi i use javascript and with javascrip chande hidden field value but do not change hidden field value just when i submit my form or use _dopostback

Jignesh Trivedi · Answer

hi you can write client event on click or change on treeview and you can change hidden filed value from java script / Jquery. Note that this value can not access @ server side after postback. hope this will help you.