public MainWindow(string user, string pass)
{
InitializeComponent();
WindowStartupLocation = System.Windows.WindowStartupLocation.CenterScreen;
username = user;
dt = mane.Datitos(user);
ramos = mane.TablitaRamos(user);
idSede = (dt.Rows[0][0]).ToString();
txtSede.Content = (dt.Rows[0][1]).ToString();
idCarrera = (dt.Rows[0][2]).ToString();
txtCarrera.Content = (dt.Rows[0][3]).ToString();
txtRut.Content = (dt.Rows[0][4]).ToString();
txtSemestre.Content = (dt.Rows[0][5]).ToString() + "° Semestre";
txtNombre.Content = (dt.Rows[0][6]).ToString();
dtgRamo.ItemsSource = ramos.DefaultView;
}