lib/Ext/field/Select.js
function() {
        var me = this,
            record;

        if (me.getAutoSelect()) {
            var store = me.getStore();

            record = (me.originalValue) ? me.originalValue : store.getAt(0);
        } else {
            var usePicker = me.getUsePicker(),
                picker = usePicker ? me.picker : me.listPanel;

            if (picker) {
                picker = picker.child(usePicker ? 'pickerslot' : 'dataview');

                picker.deselectAll();
            }

            record = null;
        }

        me.setValue(record);

        return me;
    }
function() {
        var me = this,
            record;

        if (me.getAutoSelect()) {
            var store = me.getStore();

            record = (me.originalValue) ? me.originalValue : store.getAt(0);
        } else {
            var usePicker = me.getUsePicker(),
                picker = usePicker ? me.picker : me.listPanel;

            if (picker) {
                picker = picker.child(usePicker ? 'pickerslot' : 'dataview');

                picker.deselectAll();
            }

            record = null;
        }

        me.setValue(record);

        return me;
    }
Resets the Select field to the value of the first record in the store.
@return {Ext.field.Select} this
@chainable