<selectng-model="params.org_id"ng-change="params.org_id2 = '';loadBDUsers();loadOrgChild()"class="form-control"ng-options="org.org_id as org.name for org in orgs">
<selectng-model="params.org_id"ng-change="params.org_id2 = '';loadBDUsers();loadOrgChild()"class="form-control"ng-options="org.org_id as org.name for org in orgs">