SMART datagrid v.1 > Classes > DisplayOptions
If it is true, it will substitute the newline characters contained in the text of being displayed in tooltip as '<br>'.
Defaults to true.
grid.setOptions({
display: {
tooltipLineBreak: true
}
});
grid.setDisplayOptions({
tooltipLineBreak: true
});
grid.displayOptions().setTooltipLineBreak(true);