private void Form1_Load(object sender, EventArgs e) { Conexion c = new Conexion(); c.loadUser(DgvPersonas); txtId.Enabled = false; BtnModificar.Enabled = false; BtnEliminar.Enabled = false; add.Enabled = false; nombre.Enabled = false; app.Enabled = false; mat.Enabled = false; Tarea.Enabled = false; maestro.Enabled = false; addHw.Enabled = false; DgvPersonas.Visible = false; DgvUser.Visible = false; }