// The client event ActiveCellChanged takes two parameters sender and e
// sender is the object which is raising the event
// e is the ActiveCellChangedEventArgs
function WDG1_ActiveCellChanged(sender, e) {
//Gets the active cell
var cell = e.getActiveCell();
//Gets the column of the selected cell
var column = cell.get_column();
//Gets the key of the column
var key = column.get_key();
//Gets the value in the selected cell
var value = cell.get_value();
window.status = "The cell with the value '" + value + "' under the column '" + key + "' is activated";
}