private void btUpdateBurden_Click(object sender, EventArgs e) { DataBaseProcedure procedure = new DataBaseProcedure(); procedure.spBurden_Update(Convert.ToInt32(dgvBurden.CurrentRow.Cells[0].Value.ToString()), ltbEmployeeBurden.SelectedValue.ToString(), Convert.ToInt32(ltbDiscipline.SelectedValue.ToString()), Convert.ToInt32(cbGroup.SelectedValue.ToString()), (int)nudCourse.Value); }