<SharePoint:PeopleEditor id="spPPlEdtr" MultiSelect="true"
ValidatorEnabled="true" SelectionSet="User,SPGroup" runat="server"/>
Client Side:
<script type="text/javascript">
// this registers clearPicker to run every time the page reloads
_spBodyOnLoadFunctionNames.push("clearPicker");
// this is the function that clears the picker and helper variables
function clearPicker() {
var control;
var arr = document.getElementsByTagName("div");
for (var i = 0; i < arr.length; i++)
{
if (arr[i].id.indexOf("upLevelDiv") > 0)
{ control = arr[i]; }
}
control.innerHTML = '';
arr = document.getElementsByTagName("input");
for (var i = 0; i < arr.length; i++) {
if (arr[i].name.indexOf("hiddenSpanData") > 0)
{ control = arr[i]; }
}
control.value = '';
}
</script>
Server Side:
PeopleEditor picker = spPPlEdtr;
picker.Accounts.Clear();
picker.Entities.Clear();
picker.ResolvedEntities.Clear();
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