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[英]C# Custom Class(server user) in WCF service not working in client(but struct work)(problem)
[英]C# Custom Class is not working in WCF service
問題
我有一個新的WCF
服務。 其中有一個Interface
和相關的 class 只有兩種方法,如以下代碼所示。 我在其中一種方法中使用自定義 class CompanyDetail
但出現問題,我在我的客戶項目中引用了此服務,但沒有任何效果。 服務已連接但無法在代碼中使用。
我試過的
namespace IntelliWcfService
{
[ServiceContract]
public interface IIntelliService
{
[OperationContract]
CompanyDetail GetCompanyDetails();
[OperationContract]
string Get(int value);
}
}
接口實現
namespace IntelliWcfService
{
public class IntelliService : IIntelliService
{
public CompanyDetail GetCompanyDetails()
{
try
{
var company = new CompanyDetail
{
CompanyName = "Visual Labs Pakistan",
City = "Multan",
Contact1 = "0306-8513103",
Contact2 = "",
Country = "Pakistan",
CountryCode = "+92",
Email = "VisualLabs@gmail.com",
NTN = "0007923-7",
PostalCode = "60000",
Street = "Street 2 Near Bypass Multan",
Type = "Software Technology"
};
return company;
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
public string Get(int value)
{
return "Connected";
}
}
}
公司詳情 Class
using System.Runtime.Serialization;
namespace IntelliWcfService.Models
{
[DataContract]
public class CompanyDetail
{
private string _companyName;
private string _ntn;
private string _type;
private string _country;
private string _countryCode;
private string _city;
private string _street;
private string _postalCode;
private string _contact1;
private string _contact2;
private string _email;
[DataMember]
public string CompanyName
{
get => _companyName;
set => _companyName = value;
}
[DataMember]
public string NTN
{
get => _ntn;
set => _ntn = value;
}
[DataMember]
public string Type
{
get => _type;
set => _type = value;
}
[DataMember]
public string Country
{
get => _country;
set => _country = value;
}
[DataMember]
public string CountryCode
{
get => _countryCode;
set => _countryCode = value;
}
[DataMember]
public string City
{
get => _city;
set => _city = value;
}
[DataMember]
public string Street
{
get => _street;
set => _street = value;
}
[DataMember]
public string PostalCode
{
get => _postalCode;
set => _postalCode = value;
}
[DataMember]
public string Contact1
{
get => _contact1;
set => _contact1 = value;
}
[DataMember]
public string Contact2
{
get => _contact2;
set => _contact2 = value;
}
[DataMember]
public string Email
{
get => _email;
set => _email = value;
}
}
}
我已經嘗試過使用[DataMember]
裝飾器的自動屬性,並且喜歡這個完整的道具。 但仍然沒有任何效果。 並在我的客戶中得到這個。
結果
我已經在這里尋求幫助,但似乎我沒有做錯任何事情。
向 WCF 服務庫添加類
https://docs.microsoft.com/en-us/dotnet/framework/wcf/feature-details/using-data-contracts
觀察
當我刪除GetCompnyDetails
的這種方法時,一切正常,我可以在我的客戶端中使用其他方法。 同樣在過去,我曾經有EntityFramework
自動生成的模型在服務中,並且以前可以正常工作。
預期行為
顯然我應該能夠在我的客戶端項目中使用所有方法。 這個自定義 class 應該可以工作,這會導致問題。
添加服務參考對話框
我用您的代碼創建了一個 WCF 服務,它運行成功。
namespace ConsoleApp37
{
[ServiceContract]
public interface IIntelliService
{
[OperationContract]
CompanyDetail GetCompanyDetails();
[OperationContract]
string Get(int value);
}
[DataContract]
public class CompanyDetail
{
private string _companyName;
private string _ntn;
private string _type;
private string _country;
private string _countryCode;
private string _city;
private string _street;
private string _postalCode;
private string _contact1;
private string _contact2;
private string _email;
[DataMember]
public string CompanyName
{
get => _companyName;
set => _companyName = value;
}
[DataMember]
public string NTN
{
get => _ntn;
set => _ntn = value;
}
[DataMember]
public string Type
{
get => _type;
set => _type = value;
}
[DataMember]
public string Country
{
get => _country;
set => _country = value;
}
[DataMember]
public string CountryCode
{
get => _countryCode;
set => _countryCode = value;
}
[DataMember]
public string City
{
get => _city;
set => _city = value;
}
[DataMember]
public string Street
{
get => _street;
set => _street = value;
}
[DataMember]
public string PostalCode
{
get => _postalCode;
set => _postalCode = value;
}
[DataMember]
public string Contact1
{
get => _contact1;
set => _contact1 = value;
}
[DataMember]
public string Contact2
{
get => _contact2;
set => _contact2 = value;
}
[DataMember]
public string Email
{
get => _email;
set => _email = value;
}
}
public class IntelliService : IIntelliService
{
public CompanyDetail GetCompanyDetails()
{
try
{
var company = new CompanyDetail
{
CompanyName = "Visual Labs Pakistan",
City = "Multan",
Contact1 = "0306-8513103",
Contact2 = "",
Country = "Pakistan",
CountryCode = "+92",
Email = "VisualLabs@gmail.com",
NTN = "0007923-7",
PostalCode = "60000",
Street = "Street 2 Near Bypass Multan",
Type = "Software Technology"
};
return company;
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
}
public string Get(int value)
{
return "Connected";
}
}
class Program
{
static void Main(string[] args)
{
// Step 1: Create a URI to serve as the base address.
Uri baseAddress = new Uri("http://localhost:8000/GettingStarted/");
// Step 2: Create a ServiceHost instance.
ServiceHost selfHost = new ServiceHost(typeof(IntelliService), baseAddress);
try
{
// Step 3: Add a service endpoint.
selfHost.AddServiceEndpoint(typeof(IIntelliService), new WSHttpBinding(), "CalculatorService");
// Step 4: Enable metadata exchange.
ServiceMetadataBehavior smb = new ServiceMetadataBehavior();
smb.HttpGetEnabled = true;
selfHost.Description.Behaviors.Add(smb);
// Step 5: Start the service.
selfHost.Open();
Console.WriteLine("The service is ready.");
// Close the ServiceHost to stop the service.
Console.WriteLine("Press <Enter> to terminate the service.");
Console.WriteLine();
Console.ReadLine();
selfHost.Close();
}
catch (CommunicationException ce)
{
Console.WriteLine("An exception occurred: {0}", ce.Message);
selfHost.Abort();
}
}
}
}
這是服務器端代碼。
客戶端根據服務端的端點生成代理class調用服務。
我成功調用了 GetCompanyDetails 方法並打印了 City 屬性的值。
更新
根據您的描述,我創建了一個 UWP 程序來調用 WCF,如下所示:
這是 ButtonBase_OnClick:
private async void ButtonBase_OnClick(object sender, RoutedEventArgs e) {
BasicHttpBinding binding = new BasicHttpBinding();
EndpointAddress endpointAddress = new EndpointAddress("http://localhost:8000/GettingStarted/CalculatorService");
ServiceReference1.IntelliServiceClient intelliServiceClient = new ServiceReference1.IntelliServiceClient(binding,endpointAddress);
ServiceReference1.CompanyDetail companyDetail= await intelliServiceClient.GetCompanyDetailsAsync();
MessageDialog message = new MessageDialog(companyDetail.City);
await message.ShowAsync();
}
看起來自定義類型無法從您的客戶端項目中引用。
也許自定義類型是完整的。 NET 項目和 clinet 是。 網絡核心。
嘗試將引用配置為不重用引用類型
因此它們將在您的客戶端項目中生成並可以使用。
另一種選擇是將您的自定義類型和合同放在一個單獨的地方。 NET 標准 2.0 項目,並受到客戶和服務的尊重。 您可以選中“重用”復選框。
在大多數情況下,當您有解決方案中的參考時,重用是有意義的,這就是預先選擇它的原因。
這是官方文檔的鏈接
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