【发布时间】:2010-11-10 20:01:03
【问题描述】:
我有如下定义的 WCF 端点,
<service name="MyApp.Server.Endpoint.Orange" behaviorConfiguration="MyTio.Server.Endpoint.OrangeBehavior">
<endpoint address="" binding="basicHttpBinding" contract="Host.Server.Contract.IMyAppApi" bindingNamespace="http://host.com/myapp">
<identity>
<dns value="localhost"/>
</identity>
</endpoint>
<endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/>
</service>
当我在 .NET 3.5 中添加“服务引用”时,我们会在代理中得到以下类,这非常好:
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.CodeDom.Compiler.GeneratedCodeAttribute("System.Runtime.Serialization", "3.0.0.0")]
[System.Runtime.Serialization.DataContractAttribute(Name="GetMemberBillersRequest", Namespace="http://schemas.datacontract.org/2004/07/Contract.MemberBillers")]
[System.SerializableAttribute()]
public partial class GetMemberBillersRequest : WCFClient.MyRequest {
[System.Runtime.Serialization.OptionalFieldAttribute()]
private int ApplicationIdField;
[System.Runtime.Serialization.OptionalFieldAttribute()]
private int ProductIdField;
[System.Runtime.Serialization.DataMemberAttribute()]
public int ApplicationId {
get {
return this.ApplicationIdField;
}
set {
if ((this.ApplicationIdField.Equals(value) != true)) {
this.ApplicationIdField = value;
this.RaisePropertyChanged("ApplicationId");
}
}
}
[System.Runtime.Serialization.DataMemberAttribute()]
public int ProductId {
get {
return this.ProductIdField;
}
set {
if ((this.ProductIdField.Equals(value) != true)) {
this.ProductIdField = value;
this.RaisePropertyChanged("ProductId");
}
}
}
}
问题是当您在 .NET 2.0 中添加对同一服务的引用时
您将获得相同合同的以下代理:
[System.CodeDom.Compiler.GeneratedCodeAttribute("System.Xml", "2.0.50727.3082")]
[System.SerializableAttribute()]
[System.Diagnostics.DebuggerStepThroughAttribute()]
[System.ComponentModel.DesignerCategoryAttribute("code")]
[System.Xml.Serialization.XmlTypeAttribute(Namespace="http://schemas.datacontract.org/2004/07/Contract.MemberBillers")]
public partial class GetMemberBillersRequest : MyRequest {
private int applicationIdField;
private bool applicationIdFieldSpecified;
private int productIdField;
private bool productIdFieldSpecified;
/// <remarks/>
public int ApplicationId {
get {
return this.applicationIdField;
}
set {
this.applicationIdField = value;
}
}
/// <remarks/>
[System.Xml.Serialization.XmlIgnoreAttribute()]
public bool ApplicationIdSpecified {
get {
return this.applicationIdFieldSpecified;
}
set {
this.applicationIdFieldSpecified = value;
}
}
/// <remarks/>
public int ProductId {
get {
return this.productIdField;
}
set {
this.productIdField = value;
}
}
/// <remarks/>
[System.Xml.Serialization.XmlIgnoreAttribute()]
public bool ProductIdSpecified {
get {
return this.productIdFieldSpecified;
}
set {
this.productIdFieldSpecified = value;
}
}
}
除了通过 .NET 2.0 生成的代理有两个附加字段之外,两者都是相同的:
productIdFieldSpecified 和 applicationIdFieldSpecified。这两个字段的问题是,如果您不手动将它们设置为 true,则它们的相应字段(ApplicationId、ProductId)将不会被序列化并传递给服务器!
有人可以向我解释一下这里发生了什么吗?
编辑:
我发现这只发生在 int 类型上,而不是字符串! 这是此操作的数据合约
[DataContract]
public class GetMemberBillersRequest : MyRequest
{
[DataMember]
public int ApplicationId { get; set; }
[DataMember]
public int ProductId { get; set; }
}
【问题讨论】:
标签: c# .net wcf web-services serialization