Consuming Web API in C# Help Need Guru Here

Hello all,

I have a Web API that I am trying to do the following.   I need to pass to it a MemoryStream and then some string params as follows:

In my controller I have:

  public HttpResponseMessage Post(SharepointParameter spParameter)
        {
            var response = SharepointService.UploadSharepointDocument(spParameter.File, spParameter.SitePath, spParameter.FileName);

            return new HttpResponseMessage(HttpStatusCode.Created);
        }

I then have this parameter class defined:

public class SharepointParameter
    {
        public SharepointParameter() { }
        public SharepointParameter(MemoryStream File, string SitePath, string FileName)
        {
            this.File = File;
            this.SitePath = SitePath;
            this.FileName = FileName;
        }

        public MemoryStream File { get; set; }
        public string SitePath { get; set; }
        public string FileName { get; set; }
    }

Something similar I did but without a stream just string and ints I then used Fiddler and the POST under composer I used the URL Route such as:

http://localhost:62011/api/Sharepoint/Sharepoint

User-Agent: Fiddler
Content-Type: application/json
Host: localhost:62011
Content-Length: 83

and in Request Body passed the parameter this is from another app I have:
{
"Mode":"S",
"BillingGroupId":9,
"EndDate":"6/30/2014",
"InvoiceTypeId":1
}

Now I need to consume the sharepoint Web API I am building from an MVC application.   So far I have this in my actionresult in the MVC app:
  PdfGenerate pdf = new PdfGenerate();
            MemoryStream ms = new MemoryStream();
            ms = pdf.CreatePdf(id);

            HttpClient client = new HttpClient();
            client.BaseAddress = new Uri(WebConfigurationManager.AppSettings["SharepointWebAPIPath"]);
            client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));

So I have my Memory stream so now I am not sure how I pass the MemoryStream and two strings SitePath and FileName along with it.   Can the stream also serialize in JSON etc?  The file will be a PDF file.
sbornstein2Asked:
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Bob LearnedCommented:
If you try to serialize a MemoryStream, you get this exception:

Error getting value from 'ReadTimeout' on 'System.IO.MemoryStream'.

This is because the MemoryStream class doesn't support that property, and throws an exception when serialized.  

I found this unit test code that highlights this problem:

 [Test]
    [ExpectedException(typeof(JsonSerializationException), ExpectedMessage = @"Error getting value from 'ReadTimeout' on 'System.IO.MemoryStream'.")]
    public void SerializePropertyGetError()
    {
      JsonConvert.SerializeObject(new MemoryStream());
    }

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I haven't found a workaround yet.

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Aaron JabamaniTechnical ArchitectCommented:
Can't you get the bytes from memory stream and pass it to your web api ? Check in this link where they are posting a memory stream in web request, http://www.andrescottwilson.com/posting-content-from-memory-stream-using-httpwebrequest-c/. Hope it helps.
sbornstein2Author Commented:
tx
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