public ActionResult <Api <List <DepartmentDTO> > > GetAll( [FromQuery(Name = "page"), DefaultValue(1), Required] int page, // [FromQuery(Name = "page_limit"), DefaultValue(10), ] int limit // ) { int totalItems = _departmentService.CountAll(); int totalPages = (int)Math.Ceiling((double)totalItems / limit); List <DepartmentDTO> dtos = _departmentService.FindAll(page, limit); Api <List <DepartmentDTO> > result = new Api <List <DepartmentDTO> >(200, dtos, "Success", new Paging(page, limit, totalPages, totalItems)); return(Ok(result)); }