Web Api异步调用

Question

从调用Web Api 2异步服务的控制台应用程序执行测试时，出现404错误（未找到）错误。我使用的是EF 4.5.1和MVC。我有两个相同的控制器，一个是异步（见下文），另一个不是。

此通话有效：http://api.ptagis.org/tagdata/3D9.1C2D927A1B

这不是：http://api.ptagis.org/tagdataasync/3D9.1C2D927A1B

这里我试图测试Web Api异步服务：

[Route("{tag}")]
public async Task<TaggingEvent> GetTaggingEventByTagAsync(string tag)
{
    TaggingEvent tagEvent = null;

    if (IsValidTagCode(tag))
    {

        tagEvent = await context.TaggingEvents.FindAsync(tag);

        if (tagEvent == null)
        {

            var resp = new HttpResponseMessage(HttpStatusCode.NotFound)
            {
                Content = new StringContent(string.Format("No tag found matching = {0}", tag)),
                ReasonPhrase = "Tag Code Not Found"
            };

            throw new HttpResponseException(resp);
        }
    }
    else
    {
        var resp = new HttpResponseMessage(HttpStatusCode.NotAcceptable)
        {
            Content = new StringContent(string.Format("Invalid tag code = {0}", tag)),
            ReasonPhrase = "Invalid PIT Tag Code Format"
        };

        throw new HttpResponseException(resp);
    }
    return tagEvent;                        
}

使用此控制台应用程序：

class Program
{
    static void Main(string[] args)
    {
        RunAsync().Wait();

    }

    static async Task RunAsync()
    {
        using (var client = new HttpClient())
        {   

            client.BaseAddress = new Uri("http://api.ptagis.org/");

            HttpResponseMessage response = await client.GetAsync("tagdataasync/3D9.1C2D927A1B");
            if (response.IsSuccessStatusCode)
            {

                TaggingEvent tag = await response.Content.ReadAsAsync<TaggingEvent>();
                Console.WriteLine("{0}\t${1}\t{2}", tag.Tag, tag.Species, tag.Run);
            }               
        }
    }
}

任何想法/想法/建议？

谢谢

更多信息：我的路线是：[RoutePrefix（“tagdata”）]

我的代码同步如下所示：

    [Route("{tag}")]
    public TaggingEvent GetTaggingEventByTag(string tag)
    {
        TaggingEvent tagEvent = null;

        if (IsValidTagCode(tag))
        {
            tagEvent = context.TaggingEvents.Find(tag);

            if (tagEvent == null)
            {

                var resp = new HttpResponseMessage(HttpStatusCode.NotFound)
                {
                    Content = new StringContent(string.Format("No tag found matching = {0}", tag)),
                    ReasonPhrase = "Tag Code Not Found"
                };

                throw new HttpResponseException(resp);
            }
        }
        else
        {
            var resp = new HttpResponseMessage(HttpStatusCode.NotAcceptable)
            {
                Content = new StringContent(string.Format("Invalid tag code = {0}", tag)),
                ReasonPhrase = "Invalid PIT Tag Code Format"
            };

            throw new HttpResponseException(resp);
        }

        tracker.TrackPageView("GetTaggingEventByTag", "tagdata"); 
        return tagEvent;
    }