ListView绑定数据

private void button1_Click(object sender, EventArgs e)
{
            listView1.Items.Clear();
            listView1.Columns.Clear();
            SqlConnection con = new SqlConnection("server=.;database=pubs;user id=sa;password=123");
            con.Open();
            DataSet dst = new DataSet();
            SqlCommand cmd =new SqlCommand ("select title_id,type from titles",con );
            SqlDataAdapter dap = new SqlDataAdapter(cmd);
            dap.Fill(dst);
            con.Close();
            this.listView1.Columns.Add("ID编号", 80, HorizontalAlignment.Center);
            this.listView1.Columns.Add("类型", 80, HorizontalAlignment.Center);//增加列标题
            listView1.View = View.Details;
            listView1.GridLines = true;//显示网格线。。
            string[] str = new string[2];
            foreach (DataRow row in dst.Tables[0].Rows)
            {
                str[0] = row["title_id"].ToString();
                str[1] = row["type"].ToString();
                ListViewItem item = new ListViewItem(str, 0);
                listView1.Items.Add(item);
            }
}