title: Uncaught TypeError: Cannot read property 'pageSize' of undefined
body: <p>Iam trying to apply paging to slickgrid and it shows an error in slick.pager.js as title in console and my code is </p>
  
  <pre><code>var jqxhr = $.getJSON('http://localhost:50305/Service1.svc/json/EmployeeDetails', function (data) {
  
          dataView = new Slick.Data.DataView();
          dataView.setItems(data, "EmpId");
          dataView.setPagingOptions({ pageSize: 4 });
          grid = new Slick.Grid("#teamGrid", dataView.rows, columns, options);
          var pager = new Slick.Controls.Pager(dataView, grid, $("#pager"));
  
   dataView.onPagingInfoChanged.subscribe(function (e, pagingInfo) {
              alert("hi");
              var isLastPage = pagingInfo.pageNum == pagingInfo.totalPages - 1;
              var enableAddRow = isLastPage || pagingInfo.pageSize == 0;
              var options = grid.getOptions();
  
              if (options.enableAddRow != enableAddRow) {
                  grid.setOptions({ enableAddRow: enableAddRow });
              }
          });
  
          dataView.onRowCountChanged.subscribe(function (args) {
              grid.updateRowCount();
              grid.render();
          });
  </code></pre>