<input class="typeahead form-control" style="margin:0px auto;width:300px;" type="text"  #titleInput>

loadUsers() {
        this.alertService.startLoadingMessage();
        this.useronboardService.getUserByTenantId(this._searchText).subscribe(results => this.onUsersDataLoadSuccessful(results), error => this.onUsersDataLoadFailed(error));
    }