private void btn_Supprimer_Click(object sender, EventArgs e) { int i = dataGridView1.CurrentRow.Index; if (MessageBox.Show("Would you like to delete the rubric : " + dataGridView1.Rows[i].Cells[1].Value.ToString(), "Attention", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK) { if (service.Delete_Rubric(int.Parse(dataGridView1.Rows[i].Cells[0].Value.ToString())) == true) { MessageBox.Show("Delete realised with success"); dataGridView1.Rows.Clear(); RemplirGrid(); } else { MessageBox.Show(" Error while delete this rubric ", "Erreur", MessageBoxButtons.OK, MessageBoxIcon.Error); } } }