asp.net mvc - RxJS Observable.ajax post complex object to MVC -


i have problem post complex object rxjs observable ajax.

updatecashdesck():observable<somemodel>{     return observable.ajax({         body: {id:5,stocks:[{warehouseid:5,warehousename:"1235"}]},         url:this._apiserverurl,         method:"post"     }).map(r=>{         return new somemodel(r.response);     }).catch((e,r)=>{         console.log(e);         return observable.throw(e);     }); }

the problem that. when ajax send request set content-type as:content-type:application/x-www-form-urlencoded; charset=utf-8 , request data post as:

id:5 stocks:[object object]

so mvc controller not see stocks (stocks: count=0).

how can change content-type in observable.ajax application/json?

if @ implementation, you'll see serializebody method supports application/json.

however, application/x-www-form-urlencoded the default, if content-type not specified.

so need specify application/json explicitly:

observable.ajax({     body: { id: 5, stocks: [{ warehouseid: 5, warehousename: "1235" }] },     headers: { "content-type": "application/json" },     url:this._apiserverurl,     method:"post" })

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