c# - How to post MultipartFormDataContent (with attached files) to REST API? -


i have api in asp.net mvc:

public class uploadcontroller : controller {    ...     public actionresult post(uploadmodel uploadmodel)

i wish call api test client, attaching files.

using (var httpclient = new httpclient())                 {                httpclient.defaultrequestheaders.accept.add(new mediatypewithqualityheadervalue("multipart/form-data"));                     var bytearraycontent = new bytearraycontent(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9 });                     bytearraycontent.headers.contenttype = mediatypeheadervalue.parse("text/csv");     var uploadmodel = new uploadmodel { allergene = "anders", description = "desc", email = "and@juu.com" };      var content = new stringcontent(jsonconvert.serializeobject(uploadmodel), encoding.utf8, "application/json");                      var multipartformdatacontent = new multipartformdatacontent                     {                         {content},                         {bytearraycontent, "\"file\"", "\"feedback.csv\""}                     };                     var result = httpclient.postasync("http://localhost:53411/upload/post", multipartformdatacontent).result; }

if post multipartformdatacontent don't attributes on model. if post content, attributes, not attached file.

what missing?


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