SMART datagrid v.1 > Classes > HeaderSummaryHead
The text which will be displayed in this area.
grid.setOptions({
header: {
summary: {
head: {
text: "\u03a3", // sigma
styles: {
fontItalic: true,
color: '#800'
}
}
}
}
});
grid.header().summary().head().setText('SUM');