- this.store.un("beforeload", this.onBeforeLoad, this);
- this.store.un("datachanged", this.refresh, this);
- this.store.un("add", this.onAdd, this);
- this.store.un("remove", this.onRemove, this);
- this.store.un("update", this.onUpdate, this);
- this.store.un("clear", this.refresh, this);