将对象反序列化为xml，不设置其属性

Question

我尝试与网络服务进行通信，并构建了一个发送给服务器的请求。但是，Web服务并没有获得我设置的所有属性。

wsdl中的操作是：

    <operation name="GetCommunityPeopleIds">
      <soap:operation soapAction="GetCommunityPeopleIds" style="document" />
      <xrd:version>v1</xrd:version>
      <input>
        <soap:body parts="body" use="literal" />
        <soap:header message="tns:standardheader" part="consumer" use="literal" />
        <soap:header message="tns:standardheader" part="producer" use="literal" />
        <soap:header message="tns:standardheader" part="userId" use="literal" />
        <soap:header message="tns:standardheader" part="id" use="literal" />
        <soap:header message="tns:standardheader" part="service" use="literal" />
      </input>
      <output>
        <soap:body parts="body" use="literal" />
        <soap:header message="tns:standardheader" part="consumer" use="literal" />
        <soap:header message="tns:standardheader" part="producer" use="literal" />
        <soap:header message="tns:standardheader" part="userId" use="literal" />
        <soap:header message="tns:standardheader" part="id" use="literal" />
        <soap:header message="tns:standardheader" part="service" use="literal" />
      </output>
    </operation>

相关的两条消息是：

  <message name="GetCommunityPeopleIds">
    <part name="body" element="tns:GetCommunityPeopleIds" />
  </message>
  <message name="GetCommunityPeopleIdsResponse">
    <part name="body" element="tns:GetCommunityPeopleIdsResponse" />
  </message>

这些是元素：

      <element name="GetCommunityPeopleIds">
        <complexType>
          <sequence>
            <element name="request" type="tns:communityPeopleIdsRequest" />
          </sequence>
        </complexType>
      </element>
      <element name="GetCommunityPeopleIdsResponse">
        <complexType>
          <sequence>
            <element name="faultCode" type="xrd:faultCode" nillable="true" />
            <element name="faultString" type="xrd:faultString" nillable="true" />
            <element name="request" type="tns:communityPeopleIdsRequest" />
            <element name="response">
              <complexType>
                <sequence>
                  <element minOccurs="0" name="PeopleIds" nillable="true" type="tns:ArrayOfPersonIds" />
                  <element minOccurs="0" name="TotalCount" type="int" />
                </sequence>
              </complexType>
            </element>
          </sequence>
        </complexType>
      </element>

引用类型communityPeopleIdsRequest定义如下：

      <complexType name="communityPeopleIdsRequest">
        <sequence>
          <element name="requestBody">
            <complexType>
              <sequence>
                <element minOccurs="0" name="Count" type="int" />
                <element minOccurs="0" name="ModifiedBefore" type="dateTime" />
                <element minOccurs="0" name="ModifiedSince" type="dateTime" />
                <element minOccurs="0" name="SortDescriptions" type="tns:ArrayOfSortDescription" />
                <element minOccurs="0" name="StartIndex" type="int" />
              </sequence>
            </complexType>
          </element>
          <element name="requestHeader">
            <complexType>
              <sequence>
                <element name="token" type="string">
                  <annotation>
                    <appinfo>
                      <xrd:title xml:lang="en">a fedAuth token</xrd:title>
                    </appinfo>
                  </annotation>
                </element>
              </sequence>
            </complexType>
          </element>
        </sequence>
      </complexType>

我的问题是，因为我引用了这个web服务并从vb.net表单应用程序调用它;当我这样做时，webservice所有者告诉我，当我调用webservice时，我的属性没有传递给webservice - requestBody的所有属性都是空的。

这是我用于构建对webservice的请求的代码，其中实际上在requestBody中设置了日期值：

        Dim cl = New ElktestService.CrsPortTypeClient("Test")
        Dim consumer, producer, userid, id, service As String
        consumer = "consumername"
        producer = "producername"
        userid = "user 1"
        id = "123456789"
        service = "producername.GetCommunityPeopleIds.v1"

        'Set token in header
        Dim hdr As New communityPeopleIdsRequestRequestHeader
        hdr.token = tempToken

        'Set dates í body
        Dim bdy As New communityPeopleIdsRequestRequestBody
        bdy.ModifiedSince = dtFromDate.Value
        bdy.ModifiedBefore = dtToDate.Value

        'set header & body into the request
        Dim req = New communityPeopleIdsRequest
        req.requestHeader = hdr
        req.requestBody = bdy

        'Set request property of the getCommunityPeopleIds
        Dim ppid = New GetCommunityPeopleIds()
        ppid.request = req

        'Now let's try to deserialze the xml that I send, so I can see what is being passed
        Dim serxml As System.Xml.Serialization.XmlSerializer = New System.Xml.Serialization.XmlSerializer(GetType(ElktestClient.ElktestService.communityPeopleIdsRequest))
        Dim ms As New System.IO.MemoryStream
        serxml.Serialize(ms, req)
        Dim xml As String = System.Text.Encoding.UTF8.GetString(ms.ToArray())

        Dim rsp = cl.GetCommunityPeopleIds(consumer, producer, userid, id, service, ppid)

        If rsp.faultCode Is Nothing And rsp.faultString Is Nothing Then
            For Each itm In rsp.response.PeopleIds
                Me.lstIds.Items.Add(itm.PublicId)
            Next
        End If

...以下是反序列化的xml告诉我发送的内容（requestBody为空）：

<?xml version="1.0"?>
<communityPeopleIdsRequest xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <requestBody />
  <requestHeader>
    <token>FedAuth=7uPD........2lvbj0i+; path=/Crs/; secure; HttpOnly</token>
  </requestHeader>
</communityPeopleIdsRequest>

我还检查了断点，就在反序列化代码之前，日期参数的内容确实在运行时设置为正确的值。

我遗漏的显而易见的事情是 - 为什么没有设置日期以及为什么requestBody为空？关于要检查的事情的任何想法？