// POST api/SelectListEF
public HttpResponseMessage Post(WebApiParams param)
{
// Ｂ層呼出し＋都度コミット
LayerB layerB = new LayerB();
layerB.SelectAll_List(param);
// 結果（正常系）
List <Shipper> shipperData = new List <Shipper>();
shipperData = (List <Shipper>)param.Obj;
return(Request.CreateResponse(HttpStatusCode.OK, shipperData));
}