Session Timeout even set the value in web.config on postback

Question

I have a web application in which i have locations they are cascade in nature just like that Country------>city-------->state------>regions they are populating based on the values of each other just like when i select the country its cities are populated and when i select the city its states populates and when i select the state its region populates just like the below interface due to post back because on selected_index changes on checkboxList of Country i populates Cities chckbox list so on post back its loggout whet would be the fix thanks in advance . Regards Mark

Pramod Thakur · Answer

Hi There are several method to do that. You can make a ajax call or you can save your data in cookies and fetch from it when page load happen or each click on check box you pass a querystring in url and after page load you get that value. Some of methods are following. http://w3javascripts.com/how-to-persist-checkbox-checked-state-after-page-reload/ http://stackoverflow.com/questions/3313595/saving-checkbox-state-on-reload http://www.dotnetfunda.com/forums/show/16375/how-to-hold-value-in-viewstate-even-after-refresh-of-page Please mark as answer if it is useful to you.