private void btn_Priviligies_Click(object sender, EventArgs e) { if (dgrid_Result.SelectedRows.Count != 0) { frmGroupPriviliges frm = new frmGroupPriviliges(Convert.ToInt32(dgrid_Result.SelectedRows[0].Cells["GroupID"].Value)); frm.ShowDialog(); } else { MessageBox.Show("اختر عنصر اولا"); } }