C# Mvc.JsonResult类代码示例

        public JsonResult GatherNumbers(string runname)
        {
            var theColleciton = GetCollection();
            var query = theColleciton.AsQueryable<ServerStat>()
                .Where(s => s.runName.ToLower() == runname.ToLower())
                .ToList();

            var someStats = query
                  .GroupBy(stat =>
                          new
                          {
                              NodeName = stat.osHostName
                          })
                  .Select(stat => new
                  {
                      NumberOfTransactions = stat.Count(),
                      Node = stat.Key.NodeName
                  })
                  .ToList();

            var jsonObject = new JsonResult();
            jsonObject.JsonRequestBehavior = JsonRequestBehavior.AllowGet;
            jsonObject.MaxJsonLength = int.MaxValue;
            jsonObject.Data = someStats;
            return jsonObject;
        }

 public JsonResult Get()
 {
     JsonResult result = new JsonResult();
     //var t = bll.GetCompanyEventList(1, 500);
        // return Json(t, JsonRequestBehavior.AllowGet);
     return result;
 }

 public JsonResult CategoryList(string e)
 {
     JsonResult rez = new JsonResult();
     List<Category> cats = con.Categorys.OrderBy(c => c.Por).ToList();
     rez.Data = RenderPartialViewToString("CategoryList", cats);
     return rez;
 }

        public JsonResult DeleteRedirect(string id)
        {
            var result = new JsonResult();

            try
            {
                if (String.IsNullOrEmpty(id))
                {
                    return result;
                }

                var redirectId = Int32.Parse(id);
                var redirect = Context.Redirects.FirstOrDefault(x => x.RedirectId == redirectId);

                Context.Redirects.Remove(redirect);
                Context.SaveChanges();

                // recycle cache after save
                CachedObjects.GetRedirectsList(true);

                result.Data = new {success = true};
                return result;
            }
            catch
            {
                result.Data = new { success = false };
                return result;
            }
        }

        //由未匹配科室表插入匹配科室
        public JsonResult AddToCompDivision(string HospitalCode, string HZType, string HZCode, string Type, string Code)
        {
            var user = Session["CurrentUser"] as UserAndRole;
            var res = new JsonResult();
            int TypeInt = Convert.ToInt32(Type);
            bool flag = _ServicesSoapClient.SetMpDivisionCmp(HospitalCode, TypeInt, Code, HZCode, "手动匹配", user.UserId, user.TerminalName, user.TerminalIP, user.DeviceType);

            if (flag)
            {
                flag = _ServicesSoapClient.ChangeStatusForTmpDivision(HospitalCode, HZType, HZCode, 2);
                if (flag)
                {
                    res.Data = true;
                }
                else
                {
                    res.Data = false;
                }
            }
            else
            {
                res.Data = false;
            }
            res.JsonRequestBehavior = JsonRequestBehavior.AllowGet;
            return res;
        }

 /// <param name="jsonResult">The <see cref="JsonResult" /> to convert to a <see cref="JsonpResult" />.</param>
 public JsonpResult(JsonResult jsonResult)
 {
     ContentEncoding = jsonResult.ContentEncoding;
     ContentType = jsonResult.ContentType;
     Data = jsonResult.Data;
     JsonRequestBehavior = jsonResult.JsonRequestBehavior;
 }

        public JsonResult OAuthInit()
        {
            JsonResult jr = new JsonResult();
            jr.ContentType = "text/json";
            jr.JsonRequestBehavior = JsonRequestBehavior.AllowGet;

            try
            {
                Client Sina = null;
                OAuth oauth = new OAuth(CnfgConst.Sina_AppKey, CnfgConst.Sina_AppSecret, CnfgConst.Sina_CallbackUrl);

                Sina = new Client(oauth); //用cookie里的accesstoken来实例化OAuth，这样OAuth就有操作权限了
                //if (!string.IsNullOrEmpty(code))//暂时无法获取到传回的URL
                //{
                //    var token = oauth.GetAccessTokenByAuthorizationCode(code);
                //    string accessToken = token.Token;

                //    Response.Cookies["AccessToken"].Value = accessToken;
                //    jr.Data = new { isSuccess = true };
                //    //Response.Redirect("Default.aspx");
                //}
                //else
                {
                    string url = oauth.GetAuthorizeURL();
                    jr.Data = new { isSuccess = false, url = url };
                }
                return jr;

            }
            catch (Exception)
            {
                throw;
            }
        }

        public ActionResult Login()
        {
            //Response.ContentType = "application/json";
            //// Post方式下，取得client端传过来的数据
            //if ("post".Equals(Request.HttpMethod.ToLower()))
            //{
            //    StreamReader reader = new StreamReader(Request.InputStream);
            //    string json = HttpUtility.UrlDecode(reader.ReadToEnd());
            //    Response.Write(json);
            //}
            //// Get方式下，取得client端传过来的数据
            //else
            //{
            //    Response.Write("[{\"title\":\"Java高级编程\"},{\"title\":\"C#高级编程\"},{\"title\":\"JavaScript高级编程\"}]");
            //}

            //var d = Request.Params.GetValues("username");

            string username = "姓名:"+Request.Params["username"];
            string age ="年龄:"+ Request.Params["age"];

            var result = new JsonResult { Data = new { username, age }};
            result.JsonRequestBehavior = JsonRequestBehavior.AllowGet;

            return result;
        }

        protected void Application_Error()
        {
            var httpContext = HttpContext.Current;
            if (httpContext == null) return;

            var context = new HttpContextWrapper(System.Web.HttpContext.Current);
            var routeData = RouteTable.Routes.GetRouteData(context);

            var requestContext = new RequestContext(context, routeData);
            /* when the request is ajax the system can automatically handle a mistake with a JSON response. then overwrites the default response */
            if (requestContext.HttpContext.Request.IsAjaxRequest())
            {
                httpContext.Response.Clear();
                var controllerName = requestContext.RouteData.GetRequiredString("controller");
                var factory = ControllerBuilder.Current.GetControllerFactory();
                var controller = factory.CreateController(requestContext, controllerName);
                var controllerContext = new ControllerContext(requestContext, (ControllerBase)controller);

                var jsonResult = new JsonResult
                {
                    Data = new {success = false, serverError = "500"},
                    JsonRequestBehavior = JsonRequestBehavior.AllowGet
                };
                jsonResult.ExecuteResult(controllerContext);
                httpContext.Response.End();
            }
            else
            {
                httpContext.Response.Redirect("~/Error");
            }
        }

        public ActionResult SearchKullaniciYetki(string searchAdi, string searchSoyadi, int? page)
        {
            var Jr = new JsonResult
            {
                JsonRequestBehavior = JsonRequestBehavior.AllowGet
            };

            var KullaniciList = baglanti().Select<Kullanici>();

            if (!string.IsNullOrEmpty(searchAdi))
            {
                KullaniciList = KullaniciList.Where(p => p.adi.ToLower().Contains(searchAdi)).ToList();
            }

            if (!string.IsNullOrEmpty(searchSoyadi))
            {
                KullaniciList = KullaniciList.Where(p => p.soyadi.ToLower().Contains(searchSoyadi)).ToList();
            }

            var Match = new YetkilendirmeViewModel()
            {

            };

            Match.Kullanicilar = KullaniciList;

            if (KullaniciList != null)
            {
                var Result = RenderPartialViewToString("YetkilendirmeList", Match);
                Jr.Data = new[] { new { Status = "ok", results = Result, searchAdi = searchAdi } };
            }

            return Jr;
        }

        public JsonResult DeleteSchema(string id)
        {
            var result = new JsonResult()
            {
                Data = new { success = false, message = "There was an error processing your request." }
            };

            if (String.IsNullOrEmpty(id))
            {
                return result;
            }

            int moduleId = Int32.Parse(id);
            var module = Context.Schemas.FirstOrDefault(x => x.SchemaId == moduleId);

            Context.Schemas.Remove(module);
            var success = Context.SaveChanges();

            if (success > 0)
            {
                BookmarkUtil.DeleteBookmarkForUrl("/admin/schemas/editschema/" + id + "/");
                result.Data = new { success = true, message = "The schema has been successfully deleted." };
            }

            return result;
        }

 protected override void OnException(ExceptionContext filterContext)
 {
     if (filterContext.HttpContext.IsCustomErrorEnabled || true)  //IsCustomErrorEnabled always false if client is localhost or client and server IPs identical. True set to override.
     {
         filterContext.ExceptionHandled = true;
         // If this is an ajax request, return the exception in the response            
         if (filterContext.HttpContext.Request.IsAjaxRequest())
         {
             //if (HttpContext.Response.ContentType == "text/html")
             //{
             //    filterContext.HttpContext.Response.StatusCode = 500;
             //    var json = new JsonResult();
             //    json.JsonRequestBehavior = JsonRequestBehavior.AllowGet;   //SICHERHEITSPROBLEM: s. http://haacked.com/archive/2009/06/25/json-hijacking.aspx
             //    json.Data = HttpUtility.UrlEncode(filterContext.Exception.Message); // +filterContext.Exception.StackTrace;
             //    json.ExecuteResult(this.ControllerContext);
             //}
             //else
             //{
                 filterContext.HttpContext.Response.StatusCode = 500;
                 var json = new JsonResult();
                 json.JsonRequestBehavior = JsonRequestBehavior.AllowGet;   //SICHERHEITSPROBLEM: s. http://haacked.com/archive/2009/06/25/json-hijacking.aspx
                 json.Data = HttpUtility.UrlEncode(filterContext.Exception.Message); // +filterContext.Exception.StackTrace;
                 json.ExecuteResult(this.ControllerContext);
             //}
         }
         else
         {
             ViewData.Model = new System.Web.Mvc.HandleErrorInfo(filterContext.Exception, "ControllerName", "ActionName");
             // Pass a flag to the view to tell it whether or not to show a the stack trace                
             ViewBag.IsCustomErrorEnabled = true; //filterContext.HttpContext.IsCustomErrorEnabled;
             this.View("Error").ExecuteResult(this.ControllerContext);
         }
     }
 }

 public ActionResult Delete(Guid id)
 {
     JsonResult jsresult = new JsonResult();
     jsresult.ContentType = Consts.CONTENT_TYPE;
     jsresult.Data = new { result = bizSysMenu.DeleteSysMenuByID(id) };
     return jsresult;
 }

        public JsonResult StartGame(PraetorianGameState playerSideChoosen)
        {
            var jResult = new JsonResult();
            if(playerSideChoosen == PraetorianGameState.ASSASSINTURN)
            {
                //Human needs to make the first move, so set the game state and return out
                _Board.IsAssassinComputer = false;
                _Board.IsLegalMove = true;
                _Board.GameState = PraetorianGameState.ASSASSINTURN;
                PraetorianBoard.ComputerState = PraetorianGameState.PRAETORIANTURN;
            }
            else
            {
                _Board.IsAssassinComputer = true;
                PraetorianBoard.ComputerState = PraetorianGameState.ASSASSINTURN;
                PraetorianGameSetup pGame = new PraetorianGameSetup(_Board.Pieces.ToList(), new KeyValuePair<int, PraetorianPieceViewModel>(0, new PraetorianPieceViewModel() { }));
                var newBoard = pGame.ComputerMakeMove(GAMEDEPTH, true);
                _LastMove = new KeyValuePair<int, PraetorianPieceViewModel>(_iMoveNumber++, GetLastMovedPieceFromComputer(newBoard.BoardPieces, _Board.Pieces.ToList()));
                _MasterMoveList.Add(_LastMove);
                _Board.Pieces = newBoard.BoardPieces;
                _Board.GameState = PraetorianGameState.PRAETORIANTURN;
                _Board.IsLegalMove = true;
            }

            jResult = Json(_Board);
            return jResult;
        }

        /// <summary>
        /// Called by the ASP.NET MVC framework after the action method executes.
        /// </summary>
        /// <param name="filterContext">The filter context.</param>
        public override void OnActionExecuted(ActionExecutedContext filterContext)
        {
            if (filterContext == null || !filterContext.HttpContext.Request.IsAjaxRequest())
            {
                return;
            }

            // Preparing Json object for AJAX.success processing in forms.js javascript
            string destinationUrl = string.Empty;
            if (filterContext.Result is RedirectResult)
            {
                var result = filterContext.Result as RedirectResult;
                destinationUrl = UrlHelper.GenerateContentUrl(result.Url, filterContext.HttpContext);
            }

            if (filterContext.Result is RedirectToRouteResult)
            {
                var result = filterContext.Result as RedirectToRouteResult;
                var helper = new UrlHelper(filterContext.RequestContext);
                destinationUrl = helper.RouteUrl(result.RouteValues);
            }

            // Rendered context is getting reloaded by AJAX.success in forms.js javascript
            if (filterContext.Result is ViewResult)
            {
                return;
            }

            var jsonResult = new JsonResult { Data = new { resultType = "Redirect", redirectUrl = destinationUrl } };
            filterContext.Result = jsonResult;
        }