private void guna2GradientBtnSupprimerReunion_Click(object sender, EventArgs e) { if (guna2DataGridViewReunion.SelectedRows.Count > 0) { if ( MessageBox.Show ( "Do you really want to delete this meeting?", "Warning", MessageBoxButtons.YesNo, MessageBoxIcon.Question ) == DialogResult.Yes ) { for (int i = 0; i < guna2DataGridViewReunion.SelectedRows.Count; i++) { reunionBLO.DeleteReunion(guna2DataGridViewReunion.SelectedRows[i].DataBoundItem as Reunion); } loadData(); } } }