protected void cargar()
        {
            SQL_conection nva = new SQL_conection();
            nva.JalarPreg21();

            Image21.ImageUrl = ("~/ImagenesDePreguntas/21.jpg");
            lblpregunta21.Text = nva.Preg1;
            rdbres1preg21.Text = nva.Op1;
            rdbres2preg21.Text = nva.Op2;
            rdbres3preg21.Text = nva.Op3;
            rdbres4preg21.Text = nva.Op4;

            nva.JalarPreg22();

            Image22.ImageUrl = ("~/ImagenesDePreguntas/22.jpg");
            lblpregunta22.Text = nva.Preg1;
            rdbres1preg22.Text = nva.Op1;
            rdbres2preg22.Text = nva.Op2;
            rdbres3preg22.Text = nva.Op3;
            rdbres4preg22.Text = nva.Op4;

            nva.JalarPreg23();

            Image23.ImageUrl = ("~/ImagenesDePreguntas/23.jpg");
            lblpregunta23.Text = nva.Preg1;
            rdbres1preg23.Text = nva.Op1;
            rdbres2preg23.Text = nva.Op2;
            rdbres3preg23.Text = nva.Op3;
            rdbres4preg23.Text = nva.Op4;

            nva.JalarPreg24();

            Image24.ImageUrl = ("~/ImagenesDePreguntas/24.jpg");
            lblpregunta24.Text = nva.Preg1;
            rdbres1preg24.Text = nva.Op1;
            rdbres2preg24.Text = nva.Op2;
            rdbres3preg24.Text = nva.Op3;
            rdbres4preg24.Text = nva.Op4;

            nva.JalarPreg25();

            Image25.ImageUrl = ("~/ImagenesDePreguntas/25.jpg");
            lblpregunta25.Text = nva.Preg1;
            rdbres1preg25.Text = nva.Op1;
            rdbres2preg25.Text = nva.Op2;
            rdbres3preg25.Text = nva.Op3;
            rdbres4preg25.Text = nva.Op4;
        }