We’ve solved the issue by using global JavaScript variable in this way:
<script type="text/javascript">
var temp;
// Click on DevExpress' navigation bar item
function OnItemClick(s, e) {
var name = e.item.name;
temp = name;
if (e.item.group.name == 'gAjax') {
CallbackPanel.PerformCallback({ itemName: name });
}
}
function OnEndCallback(s, e) {
if (temp == "DisplaySchema1")
initElectricalShema();
if (temp == "DisplaySchema2")
initComplexObject();
if (temp == "DisplaySchema3")
initDataBindingSimple();
if (temp == "DisplaySchema4")
initDataBindingMiddle();
//initSimpleSchema();
}
</script>