SMART datagrid v.1 > Classes > GridBase
Change the value of data cell located in parameter index.
$('#checkValue').click(function () {
var idx = grid.focusedIndex();
if (grid.isValidIndex(idx)) {
var v = grid.getCellValue(idx);
if (v < 200) {
grid.setCellValue(idx, 200);
}
}
});