程序代码：

int of = dataGridView1.CurrentRow.Index;
            dataGridView1.Rows.RemoveAt(of);
            string str="delete from Table5 where IID="+of+"";
            SqlCommand com = new SqlCommand(str, con);
            SqlDataAdapter data = new SqlDataAdapter();
            data.DeleteCommand = com;
            //data.Update(ds);
            MessageBox.Show("删除成功!", "消息", MessageBoxButtons.OK);