<script id="scriptInit" type="text/javascript">
   require(["wijmo.wijgrid"], function () {
   $(document).ready(function () {
        $("#demo").height(300).wijgrid({
        data: (function(count) {
        var arr = [];
        for (var i = 0; i < count; i++) {
        arr.push({
        ID: i,
        Name: "Name" + i,
        Value: "Value" + i
        });
         }
          return arr;
        })(10000),
        scrollMode: "auto",
        allowVirtualScrolling: true
         });
       });
    });
</script>