private void changeUser_btn_Click(object sender, RoutedEventArgs e)
{
Window ChildWindow = new redactWnd("Изменить", usersGrid.SelectedIndex);
ChildWindow.Owner = this;
ChildWindow.ShowDialog();
}
private void addUser_btn_Click(object sender, RoutedEventArgs e)
{
Window ChildWindow = new redactWnd("Добавить");
ChildWindow.Owner = this;
ChildWindow.ShowDialog();
}