ขอวิธีเอา ขอมูลใน TextBox ลงใน ListView C# รบกวนท่านผูรู้แนะนำด้วยน่ะครับ

foreach (DataRow row in data.Rows)
{
    ListViewItem item = new ListViewItem(row[0].ToString());
    for (int i = 1; i < data.Columns.Count; i++)
    {
        item.SubItems.Add(row[i].ToString());
    }
    listView_Services.Items.Add(item);
}

private void button1_Click(object sender, EventArgs e)
{
    listView1.View = View.Details;
    SqlConnection con = new SqlConnection("connectionstring");
    SqlDataAdapter ada = new SqlDataAdapter("select * from MasterLocation", con);
    DataTable dt = new DataTable();
    ada.Fill(dt);

    for (int i = 0; i < dt.Rows.Count; i++)
    {
        DataRow dr = dt.Rows[i];
        ListViewItem listitem = new ListViewItem(dr["pk_Location_ID"].ToString());
        listitem.SubItems.Add(dr["var_Location_Name"].ToString());
        listitem.SubItems.Add(dr["fk_int_District_ID"].ToString());
        listitem.SubItems.Add(dr["fk_int_Company_ID"].ToString());
       listView1.Items.Add(listitem);
    } 

 ListViewItem item = new ListViewItem(new string[] {txtProID.Text,txtProName.Text,txtProQty.Text,
	                                            txtProPrice.Text,txtTotal.Text});
            listView1.Items.Add(item);