Update with new price management

resources/views/components/datatables/buttons/pageLength.blade.php

@@ -4,10 +4,17 @@
 @push('js')
 
 <script>
-	$('#{{ $model }}_pager').change(function() {
-		var table = window.LaravelDataTables["{{ $model }}-table"];
-		var len = $(this).val();
-		table.page.len(len).draw();
+	$( document ).ready(function() {
+		var table = getDatatable("{{ $model }}");
+		var state = getDatatableState("{{ $model }}");
+
+		if (state && (typeof(state.length) != 'undefined')) {
+			$('#{{ $model }}_pager').val(state.length);
+		}
+
+		$('#{{ $model }}_pager').change(function() {
+			table.page.len($(this).val()).draw();
+		});
 	});
 </script>