WCF未实施数据注释
问题描述:
我有一个N层解决方案。它有四个项目,如下图所示:WCF未实施数据注释
- 基础设施(Model类)
- 库
- 服务(WCF)
- 网络(演示)
的基础设施都是在模型的护理类
基础设施
using System.Runtime.Serialization;
namespace Infrastructure
{
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using System.Linq;
using System.Runtime.Serialization;
using System.Text;
using System.Threading.Tasks;
using DataAnnotationsExtensions;
[Serializable]
[DataContract(IsReference = true)]
public partial class COUNTRIES
{
public COUNTRIES()
{
this.CITIES = new HashSet<CITIES>();
this.LGA = new HashSet<LGA>();
this.STATES = new HashSet<STATES>();
}
[DataMember]
public int COUNTRY_ID { get; set; }
// [DataMember(Name = "Country Code")]
[DataMember]
[Required(ErrorMessage = "Country Code is required")]
[Display(Name = "Country Code")]
[StringLength(2, ErrorMessage = "The {0} must be at least {1} characters long. Plese check again!", MinimumLength = 2)]
//[Index(IsUnique = true)]
[RegularExpression(@"^[a-zA-Z]+$", ErrorMessage = "Use letters only please")]
public string COUNTRY_CODE { get; set; }
[DataMember]
[Required(ErrorMessage = "Country Name is required")]
[Display(Name = "Country Name")]
//[Index(IsUnique = true)]
//[StringLength(50, ErrorMessage = "Too long. Plese check again!")]
[StringLength(50, ErrorMessage = "The {0} must be at least {1} characters long. Plese check again!", MinimumLength = 2)]
[RegularExpression(@"^[a-zA-Z]+$", ErrorMessage = "Use letters only please")]
public string COUNTRY_NAME { get; set; }
[DataMember]
[Display(Name = "Action Status")]
public int ACTION_STATUS { get; set; }
[DataMember]
[Display(Name = "Date Created")]
[DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:dd/MM/yyyy}")]
public Nullable<System.DateTime> CREATED_DATE { get; set; }
[DataMember]
[Display(Name = "Created By")]
public Nullable<int> CREATED_BY { get; set; }
[DataMember]
[Display(Name = "Last Update Date")]
[DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:dd/MM/yyyy}")]
public Nullable<System.DateTime> LAST_UPDATE_DATE { get; set; }
[DataMember]
[Display(Name = "Last Update By")]
public Nullable<int> LAST_UPDATE_BY { get; set; }
[DataMember]
[Display(Name = "Date Deleted")]
[DisplayFormat(ApplyFormatInEditMode = true, DataFormatString = "{0:dd/MM/yyyy}")]
public Nullable<System.DateTime> DELETED_DATE { get; set; }
[DataMember]
[Display(Name = "Deleted By")]
public Nullable<int> DELETED_BY { get; set; }
[DataMember]
public virtual ICollection<CITIES> CITIES { internal get; set; }
[DataMember]
public virtual ICollection<LGA> LGA { internal get; set; }
[DataMember]
public virtual ICollection<STATES> STATES { internal get; set; }
}
}
服务:WCF
namespace BPP.CCSP.Admin.Services.Services.Concrete
{
[ValidateDataAnnotationsBehavior]
public class CountriesService : ICountriesService
{
//public void DoWork()
//{
//}
private readonly ICountriesManager _countriesManager;
public CountriesService(ICountriesManager countriesManager)
{
_countriesManager = countriesManager;
}
public COUNTRIES GetCountry(Int32 countryID)
{
return _countriesManager.Country(countryID);
}
public IEnumerable<COUNTRIES> GetCountries()
{
return _countriesManager.Countries();
}
public void AddCountry(COUNTRIES countries)
{
_countriesManager.AddCountry(countries);
}
public void RemoveCountry(int countryID)
{
_countriesManager.Country(countryID);
}
}
}
的问题是,为何是数据注释和验证未在表示层(视图)执行?
答
您所忽略的一个关键信息是您如何将服务引用导入到Presentation Presentation项目中。
我将暂时假定您使用了服务引用向导 - 这是导致您的问题的原因。当您使用提供的向导,视觉工作室着眼于托管WSDL定义WCF服务,并自动生成你英寸的WSDL不支持您所使用的数据标注工作项目新的代理和数据合同,为此不能复制到演示项目中定义的新合同。
要解决这个问题,您有两种选择。
1)导航到自动演示文稿中的项目生成的类,并将其标记。显然,这会导致代码长期重复,并不是最理想的。
2)通过DLL引用您的数据合约和服务合约,并编写自己的代理类,它继承自ClientBase。你可以在这里找到更多细节:Create WCF Client without auto generated proxy。
是的你是对的。我使用**服务参考向导**。现在的问题是,如何申请选项2,你说**通过DLL引用您的数据合同和服务合同,并编写自ClientBase继承自己的代理类。你可以在这里找到更多的细节**。请我不知道。 – Gbenga