情况：我在jQuery中使用Ajax Request调用我在WebApi项目中创建的WebService方法以及MVC 4应用程序.

我的WebService控制器类看起来像默认值,如下所示：

public class AdditionalInfoController : ApiController
{
    //GET api/AdditionalInfo
    public IEnumerable<string> Get()
    {
        return new string[] { "value1","value2" };
    }

    //GET api/AdditionalInfo/5
    public string Get(int id)
    {
        return "value";
    }

    //PUT api/AdditionalInfo/5
    public void Put(int id)
    {
        string test = "";
    }
}

来自jQuery的我的Ajax请求如下所示：

function GetAdditionalInfo(obj)
{
    var request = jQuery.ajax({
        url: "/api/AdditionalInfo/Get",type: "GET",data: { id: obj.id },datatype: "json",async: false,beforeSend: function () {
        },complete: function () {
        }
    })
    .done(function (a,b,c) {
        alert("Additional info was retrieved successfully!");
    })
    .fail(function (a,c) {
        alert("An error happened while trying to get the additional info!");
    });
}

我的WebAPIConfig文件如下所示：

public static class WebApiConfig
{
    public static void Register(HttpConfiguration config)
    {
        config.Routes.MapHttpRoute(
            name: "DefaultApi",routeTemplate: "api/{controller}/{action}/{id}",defaults: new { id = RouteParameter.Optional }
        );
    }
}

最后但并非最不重要的是,这是我的问题：当我在.fail中浏览返回的数据变量时,此错误消息一直出现,这就是所写的：

"{
    "Message":"No HTTP resource was found that matches the request URI      'http://localhost:59096/api/AdditionalInfo/Get?id=1'.","MessageDetail":"No type was found that matches the controller named    'AdditionalInfo'."
}"

如果有人能尽快帮助我,我将非常感激.提前致谢！

最好的祝福,

狂

解决方法

IAssembliesResolver assembliesResolver = config.Services.GetAssembliesResolver();

    ICollection<Assembly> assemblies = assembliesResolver.GetAssemblies();

    StringBuilder errorsBuilder = new StringBuilder();

    foreach (Assembly assembly in assemblies)
    {
        Type[] exportedTypes = null;
        if (assembly == null || assembly.IsDynamic)
        {
            // can't call GetExportedTypes on a dynamic assembly
            continue;
        }

        try
        {
            exportedTypes = assembly.GetExportedTypes();
        }
        catch (ReflectionTypeLoadException ex)
        {
            exportedTypes = ex.Types;
        }
        catch (Exception ex)
        {
            errorsBuilder.AppendLine(ex.ToString());
        }
    }

    if (errorsBuilder.Length > 0)
    {
        //Log errors into Event Log
        Trace.TraceError(errorsBuilder.ToString());
    }

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