public IHttpActionResult PostQutationDetailsTableList(List <QutationDetailsTable> ListqutationDetailsTable) { QutationDetailsEntities db = new QutationDetailsEntities(); if (!ModelState.IsValid) { return(BadRequest(ModelState)); } foreach (QutationDetailsTable List in ListqutationDetailsTable) { QutationDetailsTable existing = db.QutationDetailsTables.Find(List.ItemId); existing.Description = List.Description; existing.Quantity = List.Quantity; existing.Rate = List.Rate; existing.Total = Convert.ToDouble(List.Total); } //db.QutationDetailsTables.Add(LsitqutationDetailsTable); db.SaveChanges(); return(CreatedAtRoute("DefaultApi", new { id = "" }, ListqutationDetailsTable)); }