public int CreateCompany([FromBody] ICompany company)
 {
     using (InvoiceDBEntities invoiceDBEntities = new InvoiceDBEntities())
     {
         ObjectParameter outParam = new ObjectParameter("newid", typeof(int));
         invoiceDBEntities.CreateCompany(company.companyname, company.companyAddress, outParam);
         return((int)outParam.Value);
     }
 }