public async Task <IActionResult> UpdateItem(long id, cojAgencyManpower item)
        {
            try
            {
                if (id != item.id)
                {
                    return(NoContent());
                }

                //update endDate
                // var _item = await _context.cojAgencyManpowers.FindAsync (id);
                // _item.endDate = DateTime.Now.ToString (_culture);
                // _context.Entry (_item).State = EntityState.Modified;
                // await _context.SaveChangesAsync ();

                // var _items = await _context.cojAgencyManpowers.Where (a => a.idRef == item.idRef && a.endDate == "31/12/9999 00:00:00").ToListAsync ();

                // foreach (var _itm in _items) {
                //     var _item = await _context.cojAgencyManpowers.FindAsync (_itm.id);
                //     _item.endDate = DateTime.Now.ToString (_culture);
                //     _context.Entry (_item).State = EntityState.Modified;
                //     await _context.SaveChangesAsync ();
                // }


                //Add new
                cojAgencyManpower _itemNew = new cojAgencyManpower {
                    idRef              = item.idRef,
                    cojAgencyId        = item.cojAgencyId,
                    cojPositionType    = item.cojPositionType,
                    cojPosition        = item.cojPosition,
                    cojPositionCeiling = item.cojPositionCeiling,
                    cojPositionOnhand  = item.cojPositionOnhand,
                    remark             = item.remark
                                         // startDate = DateTime.Now.ToString (_culture),
                                         // endDate = "31/12/9999 00:00:00"
                };

                _context.cojAgencyManpowers.Add(_itemNew);
                await _context.SaveChangesAsync();

                return(Ok(_itemNew));
            }

            catch (Exception ex)
            {
                return(BadRequest(ex.Message));
            }
        }
        public async Task <ActionResult <cojAgencyManpower> > CreateItem(cojAgencyManpower newItem)
        {
            //check duplicate item id, code, name
            //...
            try
            {
                //check duplicate item id, code, name
                if (newItem.id != 0)
                {
                    return(NoContent());
                }

                newItem.startDate = DateTime.Now.ToString(_culture);
                newItem.endDate   = "31/12/9999 00:00:00";

                _context.cojAgencyManpowers.Add(newItem);
                await _context.SaveChangesAsync();

                newItem.idRef = newItem.id;

                //initial new item
                // var _item = await _context.cojAgencyManpowers.FindAsync (newItem.id);
                // _item.startDate = DateTime.Now.ToString (_culture);
                // _item.endDate = "31/12/9999 00:00:00";
                // _item.idRef = newItem.id;
                // _context.Entry (_item).State = EntityState.Modified;
                // await _context.SaveChangesAsync ();

                return(CreatedAtAction(nameof(GetItem), new { id = newItem.id }, newItem));
            }

            catch (Exception ex)
            {
                return(BadRequest(ex.Message));
            }
        }