asp.net - Removing duplicate item in an ASP CheckBoxList using C# -


i have checkboxlist control on web page. have property appenddatabounditems="true"

on postback checkboxlist retains checked items, appends duplicate list of items existing checkboxlist

if set property appenddatabounditems="false", on postback boxes checked lost, dupicate items list not appended.

how can retain checked items on postback , rid of duplicates in list added on postback?

do need hold checked values in array, , use reselect items in checkboxlist?


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