private void btnDelete_Click(object sender, EventArgs e) { if (dataGridView1.SelectedRows.Count > 0) { int[] jobIds = new int[dataGridView1.SelectedRows.Count]; int i = 0; foreach (DataGridViewRow row in dataGridView1.SelectedRows) { jobIds[i] = Convert.ToInt32(row.Cells["Id"].Value); i++; } QueryDb.DeleteRecentJobsByJobId(jobIds); updateDGVfromDb(profileId); } }