public Modificaciones()
 {
     InitializeComponent();
     MC = new MetodosConsulta();
     MC.ReadAndLoadScores(C_dataGrid);
     MC.ReadAndLoadStudents(E_dataGrid);
     MC.ReadAndLoadSubjects(A_dataGrid);
     MC.ReadAndLoadTeachers(T_dataGrid);
     safeToClose = true;
 }
        //Asignatura subject = new Asignatura();
        public Consultas()
        {
            InitializeComponent();
            MetodosConsulta MC = new MetodosConsulta();

            notas       = MC.ReadAndLoadScores();
            estudiantes = MC.ReadAndLoadStudents(E_dataGrid);
            asignaturas = MC.ReadAndLoadSubjects(A_dataGrid);
            //ReadScores();
            //ReadStudents();
            //ReadSubjects();
            //ReadTeachers();
            MC.ReadAndLoadTeachers(T_dataGrid);
            loadFinalScores();
            loadStudents();
        }
 protected void BtnBuscar_Click(object sender, EventArgs e)
 {
     UsuarioGridView.DataSource = MetodosConsulta.Consultar(ToInt(UsuarioGridView.SelectedIndex), CriterioTextBox.Text);
     UsuarioGridView.DataBind();
 }