public IHttpActionResult DeleteTask(int id)
 {
     try
     {
         if (_process.DeleteTask(id))
         {
             return(ResponseMessage(new HttpResponseMessage(HttpStatusCode.Accepted)));
         }
         return(BadRequest("Task is not found or already deleted."));
     }
     catch (Exception ex)
     {
         return(InternalServerError(ex));
     }
 }