C# (CSharp) ExpenseManagementEntities.SaveChangesAsync示例

示例#1

        // PUT api/Incoming/5
        public async Task <IHttpActionResult> PutIncoming(short id, Incoming incoming)
        {
            if (!ModelState.IsValid)
            {
                return(BadRequest(ModelState));
            }

            if (id != incoming.IncomeID)
            {
                return(BadRequest());
            }

            db.Entry(incoming).State = EntityState.Modified;

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

            return(StatusCode(HttpStatusCode.NoContent));
        }