public AddEmployees()
{
InitializeComponent();
DataTable depts = DBManager.selectFromDepartment();
DataTable usrLevels = DBManager.selectFromUserLevel();
DataTable sites = DBManager.selectSiteLocations();
userDepartmentBox.ItemsSource = depts.AsDataView();
userLevelBox.ItemsSource = usrLevels.AsDataView();
userLocationBox.ItemsSource = sites.AsDataView();
}
