send javascript date to asp.net server

Question

I want to send an object by ajax to the asp.net server. There is more datetime property in the object what are not recognised. I mean the datetime in the parameter is the default => 0001.01.01

  var a = {start: new Date(), title: "asdf", description: "asdfasdf", allDay: true, end: new Date()};

$.ajax({
            url : m_serverName + "/api/calendar",
            type : "post",
            data : a,
            dataType: 'json',
            success : function() {
                console.log("ok")
            },
            error : function(request, status, error) {
                console.log(request)
            },
            xhrFields : {
                withCredentials : true
            }
        });

there is just one way, how this works. If I use the toJSON and I send it to the server as JS.

server code:

 public HttpResponseMessage Post(CalendarEvent calendarEvent)
        {
            int id = -1;

            var httpCookie = HttpContext.Current.Request.Cookies["token"];
            if (httpCookie != null)
                if (!int.TryParse(httpCookie.Value, out id))
                    return Request.CreateResponse(HttpStatusCode.OK, false);
                else
                {
                    int employeeId = service.GetByEmployeeDevice(id).Id;
                    return Request.CreateResponse(HttpStatusCode.OK,
                                                  service.GetEventsById(employeeId));
                }

            return Request.CreateResponse(HttpStatusCode.OK, false);
        }

domain model

 [JsonObject]
    public class CalendarEvent
    {
        [JsonProperty("id")]
        public int Id { get; set; }

        [JsonProperty("employeeId")]
        public int EmployeeId { get; set; }

        [JsonProperty("title")]
        public string Title { get; set; }

        [JsonProperty("description")]
        public string Description { get; set; }

        [JsonProperty("location")]
        public string Location { get; set; }

        [JsonProperty("partner")]
        public string Partner { get; set; }

        [JsonProperty(PropertyName = "allDay")]
        public bool AllDay { get; set; }

        [JsonProperty(PropertyName = "start")]
        public DateTime Start { get; set; }

        [JsonProperty(PropertyName = "end")]
        public DateTime End { get; set; }

        [JsonProperty(PropertyName = "type")]
        public int Type { get; set; }

        [JsonIgnore]
        public Employee Employee { get; set; }

        //navigation property
        //public ICollection<AgentDevice> Devices { get; set; }
    }

How can I send this by ajax, without any convertation, because if I have an array with somany object it is very difficult.

Darin Dimitrov · Accepted Answer · 2013-09-25 17:07:33Z

2

You could send them as ISO 8601 strings:

var a = {
    start: (new Date()).toISOString(), 
    title: "asdf", 
    description: "asdfasdf", 
    allDay: true, 
    end: (new Date()).toISOString()
};

The ASP.NET Web API you are hitting on the server uses Newtonsoft Json serializer which will be able to properly deserialize them to DateTime instances.

answered Sep 25, 2013 at 17:07

Darin Dimitrov

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1 Comment

Lajos Over a year ago

I could use the toJSON method, and the server will recognize it, but if I have an array with more thousands item. Do I have to convert all date property of all of the array items?

Tracker1 · Accepted Answer · 2013-09-25 17:29:41Z

0

Just use a typed list/array... List<CalendarEvent> or CalendarEvent[] as your datatype, and it should decode the ISO-8601 encoded dates appropriately.

answered Sep 25, 2013 at 17:29

Tracker1

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2 Comments

Lajos Over a year ago

I understand, but before I have to convert the date object toJSON, or to ISOString, do not I?

Tracker1 Over a year ago

In JavaScript, when you serialize something with JSON.stringify(...) the default is to serialize date-time instances using UTC/GMT as ISO-8601 style datetime.

Lajos · Accepted Answer · 2013-09-25 18:38:31Z

the secret is: JsonConvert.DeserializeObject(customerJSON);

public HttpResponseMessage Post([FromBody]String customerJSON)
        {
            if (customerJSON != null)
            {
                int id = -1;

                var httpCookie = HttpContext.Current.Request.Cookies["token"];

                Customer customer = JsonConvert.DeserializeObject<Customer>(customerJSON);


                if (httpCookie != null)
                    if (!int.TryParse(httpCookie.Value, out id))
                        return Request.CreateResponse(HttpStatusCode.OK, false);
                    else
                    {
                        customer.ContactId = employeeService.GetByEmployeeDevice(id).Id;
                        return Request.CreateResponse(HttpStatusCode.OK,
                                                        service.Add(customer));
                    }
            }

            return Request.CreateResponse(HttpStatusCode.OK, false);
        }

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