public async Task <IActionResult> PutCostSharing([FromRoute] int id, [FromBody] CostSharing costSharing)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != costSharing.CostSharingId)
            {
                return(BadRequest());
            }

            _context.Entry(costSharing).State = EntityState.Modified;

            try
            {
                await _context.SaveChangesAsync();
            }
            catch (DbUpdateConcurrencyException)
            {
                if (!CostSharingExists(id))
                {
                    return(NotFound());
                }
                else
                {
                    throw;
                }
            }

            return(NoContent());
        }
        public async Task <IActionResult> PostCostSharing([FromBody] CostSharing costSharing)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            _context.CostSharing.Add(costSharing);
            await _context.SaveChangesAsync();

            return(CreatedAtAction("GetCostSharing", new { id = costSharing.CostSharingId }, costSharing));
        }