ASP.NET

private static void Task()
{
      String CS = ConfigurationManager.ConnectionStrings["DBCS"].ConnectionString;
      using (SqlConnection con = new SqlConnection(CS))
      {
        con.Open();
        DateTime Newdate;
        DateTime dt;
        SqlCommand cmd1 = new SqlCommand("select Date from tblInsertDate", con);
        cmd1.ExecuteNonQuery();
        List<String> dates = new List<String>();
        using (SqlDataReader rdr = cmd1.ExecuteReader())
        {
           while (rdr.Read())
           {
              dt = DateTime.ParseExact(rdr["Date"].ToString(), "dd/MM/yyyy", null);
              String cd = DateTime.Now.ToString("dd/MM/yyyy");
                        DateTime CD = DateTime.ParseExact(cd, "dd/MM/yyyy", CultureInfo.InvariantCulture);

              int result = DateTime.Compare(dt, CD);
              
              if (result < 0)
              {
                 Newdate = dt.AddDays(7);
                 DateTime Newdateonly = Newdate.Date;
                 String Ndate = Newdateonly.ToString("dd/MM/yyyy");
                 dates.Add(Ndate);
                 break;
              }
           }
        }
        foreach (String dataList in dates)
        {
           SqlCommand cmd2 = new SqlCommand("update tblInsertDate set Date=@Newdate where Date=@whereDate", con);
                    cmd2.Parameters.AddWithValue("@Newdate", dataList);
                                      cmd2.Parameters.AddWithValue("@whereDate",dt);
                    cmd2.ExecuteNonQuery();
                }
            }
}

SqlCommand cmd2 = new SqlCommand("update tblInsertDate set Date=@Newdate where Date=@whereDate", con);
                    cmd2.Parameters.AddWithValue("@Newdate", dataList);
                    cmd2.Parameters.AddWithValue("@whereDate",dt);

<RequestTimestamp>2014-08-22T11:28:00Z</RequestTimestamp>
<SystemID>TestProcessor</SystemID>
<Version>1<Version>
<QWID>201507080000001</QWID>
<QWID>201507080000010</QWID>
<QWID>201507080000001</QWID>
<QWID>201507080000010</QWID>
<QWID>201507080000001</QWID>
<QWID>201507080000010</QWID>
<CHL>201507080000010</CHL>

public class APIRequest
{

    [DataMember]
    public DateTime RequestTimestamp;

    [DataMember]
    public string SystemID;

    [DataMember]
    public int Version;

    [DataMember]
    public string[] QWID;

    [DataMember]
    public string CHL;
    
}

<request xmlns:a="http://schemas.datacontract.org/2004/07/QWID.Services" xmlns:i="http://www.w3.org/2001/XMLSchema-instance">
  <a:RequestTimestamp>0001-01-01T00:00:00</a:RequestTimestamp>
  <a:SystemID>WireSystem_001</a:SystemID>
  <a:Version>0</a:Version>
  <a:QWID xmlns:b="http://schemas.microsoft.com/2003/10/Serialization/Arrays">

    <b:string>20141023010232_ORG99000002_CTR.fedwire</b:string>

    <b:string>20141023010842_ORG99000001_CTR.fedwire</b:string>
  </a:QWID>
</request>

My client expecting the SOAP request in the form of <QWID>201507080000001</QWID> instead of coming under <QWID><b:string>20141023010232_ORG99000002_CTR.fedwire</b:string> </QWID> as string tag.

How do i do the entity design (without grouping of QWID) to achieve client expectation as described above? Please help me on this?