private void SaveUserBtn_OnClick(object sender, RoutedEventArgs e) { var jobTitleIdx = _jobTitleList.IndexOf((JobTitle)JobTitleCombo.SelectedItem); var userGroupIdx = _userGroupList.IndexOf((UserGroup)UserGroupCombo.SelectedItem); _employee.EmployeeTitle = _jobTitleList[jobTitleIdx]; _employee.UserGroup = _userGroupList[userGroupIdx]; _employeeRepo.AddModel(_employee); _employeeList.Add(_employee); _employee = new Employee(); DataContext = _employee; }