SMART datagrid v.1 > Classes > GridColumn
The location of this column among Column Group of containing this column.
If it is the first column, it will return 0. The top column is the order within root column existing in Grid. If hide or move the columns of grid, this value and Display Order will be different.
var col = grid.columnByName('colzender');
if (col.index() > 1) {
col.setWidth(200);
}