c# - ASP.Net web api post action param always coming null -

i getting null value post action param in asp.net web api.

this action.

[system.web.mvc.httppost]         public httpresponsemessage add([frombody]products id)         {              var response = new httpresponsemessage();             try             {                 if (id.productslist.length > 0)                 {                     response.statuscode = httpstatuscode.ok;                     response.ensuresuccessstatuscode();                     response.content = new stringcontent(string.format("number of products {0}",id.productslist.length) );                     logger.info(string.format("number of products {0}", id.productslist.length));                 }                 response.statuscode = httpstatuscode.badrequest;             }             catch (exception ex)             {                 response.statuscode = httpstatuscode.internalservererror;                 response.content = new stringcontent("error occured");                 logger.error(ex);             }             return response;         } 

this how trying invoke api.

var filepath = @"c:\apps\eastworks\lott\boots.xml";                 var xmldoc = new xmldocument();                 xmldoc.load(filepath);                  var client = new httpclient();                 mediatypeformatter jsonformatter = new xmlmediatypeformatter();                  httpcontent content = new objectcontent<string>(xmldoc.outerxml, jsonformatter);                 if (content.headers.contains("content-type"))                 {                     content.headers.remove("content-type");                     content.headers.add("content-type", "application/x-www-form-urlencoded");                 }                  var result = client.postasync("http://localhost:3103/products/add",                               content)                    .result; 

following model.

[xmlroot("products")]     public class products     {         [xmlelement("product")]         public product[] productslist { get; set; }     }      public class product     {         public product()         {             //default implementation          }         [xmlelement("code")]         public string code { get; set; }          [xmlelement("related-product")]         public relatedproduct[] relatedproducts { get; set; }           [xmlelement("description")]         public string description { get; set; }          // removed of properties.          [xmlelement("variant")]         public variant[] variants { get; set; }     } 

and xml.

<?xml version="1.0" encoding="utf-8"?> <products>   <product>     <code>mipacaloha</code>     <related-product>paisley_blk</related-product>     <related-product>mipacpolkadot</related-product>      <description>classic mipac silhouette. 30cm (12 inches) wide 37cm (15 inches) high 15cm (6 inches) depth.</description>     <brand>mi pac</brand>     <style>backpack</style>     <model-name>pocket prints</model-name>     <weight>0.4</weight>     <gender>womens</gender>      <variant>       <bag-details />       <exact-colour>aloha sky blue</exact-colour>       <colour>blue</colour>       <pic-url>005872</pic-url>       <sku>136200</sku>       <ean>5053466362002</ean>       <stock>0</stock>       <price>21.99</price>     </variant>     <variant>       <bag-details />       <exact-colour>aloha purple</exact-colour>       <colour>purple</colour>       <pic-url>mipacaloha</pic-url>       <sku>121521</sku>       <ean>5053466215216</ean>       <stock>6</stock>       <price>18.99</price>       <original-price>21.99</original-price>     </variant>    </product> </products> 

i setting xmlserializer used in application_start.

var xml = globalconfiguration.configuration.formatters.xmlformatter;             xml.usexmlserializer = true; 

i had seen lot of posts similar mine. couldn't fix problem. please advise me.

thanks, naresh

are specifying web api use xmlserializer? default, uses datacontractserializer binding xml requests.