SMART datagrid v.1 > Classes > DataField
If specify this value as false, only when the state of data row is .CREATED or CREATE_AND_DELETED, the values corresponding to this field can be updated. In other words, you cannot change the value by GridDataSet.setValue or GridDataSet.updateRow, etc. And, DataSet.canUpdateValue will also return false.
Defaults to true.
$('#updatable').click(function () {
var field = ds.getFieldByName('fldAddr');
field.setUpdatable($('#updatable').is(':checked'));
});