SMART datagrid v.1 > Classes > GridBase
It will be fired when double click the data cell with mouse.
grid.onDataCellDblClicked = function (grid, index) {
if (index && index.dataColumn() && index.getDataIndex(grid) >= 0) {
$('#value').val(ds.getValue(index.getDataIndex(grid), index.dataField()));
}
};