I'm having the same problem, when the option 'scroll' is 'true' or '1' and the page is changed via script ($('#gridID').setGridParam({page: 10}).trigger('reloadGrid');), the pager displays the right info (for example: View 1 101 – 1 150 of 2 000), but, the scroll bar doesn't change position and the grid displays nothing. It appears to be a jqGrid bug, Am I right?