c# - Page lifecycle question -
i using dropdown menu , updatepanel filter out datagrid. datagrid has buttons redirect different page. when hit button or link on top of other page, redirects me page dropdown should...but gets rid of datagrid data , have make selection dropdown again. there way make sure dropdown selection remembered when both link pressed , button selected? help! the easiest thing in case save dropdown selection in session collection , on page load, check see if there saved selection , use reapply selection. protected void dropdownlist1_selectedindexchanged(object sender, eventargs e) { session["savedselection"] = dropdownlist1.selectedindex; } protected void page_load(object sender, eventargs e) { if(session["savedselection"] != null) { int selectedindex = (int) session["savedselection"]; dropdownlist1.selectedindex = selectedindex; } }