private void guardarTodo() { if (editado) { for (int i = 0; i < dgvRegistroNotas.RowCount; ++i) { for (int j = 1; j < dgvRegistroNotas.ColumnCount; ++j) { MAlvaradoWS.gradeXStudent aux = new MAlvaradoWS.gradeXStudent(); aux = (MAlvaradoWS.gradeXStudent)data[i, j]; controller.updateGradeXStudent(aux); } } editado = false; } MessageBox.Show("Cambios guardados con éxito", "Confirmación", MessageBoxButtons.OK, MessageBoxIcon.Information); }