When you need to show more data on a page while still want to maintain size of grid, you can use scrolling feature. Simply set $AllowScrolling to true and the $Height for the grid, you have enabled the feature.
span style="color: #ff0000;">"/KoolAjax/koolajax.php";
$koolajax->scriptFolder = $KoolControlsFolder."/KoolAjax""/KoolGrid/koolgrid.php""/KoolGrid/ext/datasources/MySQLiDataSource.php"//This $db_con link has been created inside KoolPHPSuite/Resources/runexample.php
$ds->SelectCommand = "select customerNumber,customerName,phone,addressLine1, city, country from customers""grid");
$grid->scriptFolder = $KoolControlsFolder."/KoolGrid";
$grid->styleFolder="default""655px""300px""200px""form1" method="post"
KoolGrid - Powerful PHP GridFullVersion 5.7.0.1 released on 05/19/2017