ASP NET c# disable autopostback after clicking back button in browser

i have a listbox in my asp page, when user clicks any of items, the page is redirected to other page. To do that i used the SelectedIndexChanged event, but it wasnt firing, so i change the autopostback property of listbox to true. Everything is forking fine now, except when i click back button in browser, it redirects to the first page, and than back to last one, because of the selected index of a listbox. Any suggestions? Thanks, Oak


You should verify IsPostBack property of your page. If !IsPostBack do your work.

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