int gunref = 0;

  UnityObjects.Data salesservices = Global.UnityApp.NewDataObject(UnityObjects.DataObjectType.doSalesService);
  salesservices.New();
  salesservices.DataFields.FieldByName("CODE").Value = "HIKZMETBAN02";
  salesservices.DataFields.FieldByName("AUXIL_CODE").Value = "ar";
  salesservices.DataFields.FieldByName("AUTH_CODE").Value = "u";
  salesservices.DataFields.FieldByName("VAT_PERC").Value = 18;
  salesservices.DataFields.FieldByName("UNITSET_CODE").Value = "05";
  salesservices.DataFields.FieldByName("CREATED_BY").Value = 1;
  salesservices.DataFields.FieldByName("UNITS").Value = "ADET";

  UnityObjects.Lines gl_links_lines = salesservices.DataFields.FieldByName("GL_LINKS").Lines;
  gl_links_lines.AppendLine();
  gl_links_lines[gl_links_lines.Count - 1].FieldByName("INFO_TYPE").Value = 1;
  gl_links_lines[gl_links_lines.Count - 1].FieldByName("GLACC_CODE").Value = "111";
  gl_links_lines[gl_links_lines.Count - 1].FieldByName("OHP_CODE").Value = "MASRAF01";
  salesservices.DataFields.FieldByName("RETURNVAT").Value = 18;
  salesservices.DataFields.FieldByName("DEDUCTION_PART1").Value = 2;
  salesservices.DataFields.FieldByName("DEDUCTION_PART2").Value = 3;
  if (salesservices.Post() == true) {

      MessageBox.Show("POST OK !");
      gunref = salesservices.DataFields.FieldByName("INTERNAL_REFERENCE").Value;

      UnityObjects.Data sales = Global.UnityApp.NewDataObject(UnityObjects.DataObjectType.doSalesService);
      sales.Read(gunref);
      sales.DataFields.FieldByName("AUXIL_CODE").Value = "ER";
      if (sales.Post()) {
          MessageBox.Show("Güncelleme İşlemi gerçekleşti");
      } else {
          if (salesservices.ErrorCode != 0) {
              MessageBox.Show("DBError(" + salesservices.ErrorCode.ToString() + ")-" + salesservices.ErrorDesc + salesservices.DBErrorDesc);
          } else if (salesservices.ValidateErrors.Count > 0) {
              string result = "XML ErrorList:";
              for (int i = 0; i < salesservices.ValidateErrors.Count; i++) {
                  result += "(" + salesservices.ValidateErrors[i].ID.ToString() + ") - " + salesservices.ValidateErrors[i].Error;
              }
              MessageBox.Show(result);
          }
      }

  } else {
      if (salesservices.ErrorCode != 0) {
          MessageBox.Show("DBError(" + salesservices.ErrorCode.ToString() + ")-" + salesservices.ErrorDesc + salesservices.DBErrorDesc);
      } else if (salesservices.ValidateErrors.Count > 0) {
          string result = "XML ErrorList:";
          for (int i = 0; i < salesservices.ValidateErrors.Count; i++) {
              result += "(" + salesservices.ValidateErrors[i].ID.ToString() + ") - " + salesservices.ValidateErrors[i].Error;
          }
          MessageBox.Show(result);
      }
  }