Edit Params are null

[Brad Shannon]

I'm getting null edit parameter objects when I do an edit of an appointment in Scheduler.  I tried removing the [Key] attribute on the Schedule object like I've seen recommended on this forum before, but I got the same results.  The 'value' property is populated with 'UpdateData' but everything else is null.

Schedule.cs

    public class Schedule : ModelBase

    {

        [Key]

        public int ScheduleID { get; set; }

        public int Id { get { return ScheduleID; } }

        [Display(Name = "Route")]

        public int RouteID { get; set; }

        public virtual Route Route { get; set; }

        [Display(Name = "User")]

        public string UserID { get; set; }

        public virtual User User { get; set; }

        public string Subject { get; set; }

        public DateTime StartTime { get; set; }

        public DateTime EndTime { get; set; }

        public string StartTimezone { get; set; }

        public string EndTimezone { get; set; }

        public bool IsAllDay { get; set; }

        public string RecurrenceRule { get; set; }

        public string RecurrenceID { get; set; }

        public string RecurrenceException { get; set; }

    }

SchedulesController.cs - UpdateData method

        [HttpPost]

        public JsonResult UpdateData(EditParams param)

        {

            if (param.action == "insert" || (param.action == "batch" && param.added != null)) // this block of code will execute while inserting the appointments

            {

                var value = (param.action == "insert") ? param.value : param.added[0];

                int intMax = _context.Schedule.Select(x => x.ScheduleID).DefaultIfEmpty(0).Max();

                DateTime startTime = Convert.ToDateTime(value.StartTime);

                DateTime endTime = Convert.ToDateTime(value.EndTime);

                Schedule appointment = new Schedule()

                {

                    ScheduleID = intMax + 1,

                    StartTime = startTime,

                    EndTime = endTime,

                    Subject = value.Subject,

                    IsAllDay = value.IsAllDay,

                    StartTimezone = value.StartTimezone,

                    EndTimezone = value.EndTimezone,

                    RecurrenceRule = value.RecurrenceRule,

                    RecurrenceID = value.RecurrenceID,

                    RecurrenceException = value.RecurrenceException

                };

                _context.Schedule.Add(appointment);

                _context.SaveChanges();

            }

            if (param.action == "UpdateData" || (param.action == "Batch" && param.changed != null)) // this block of code will execute while updating the appointment

            {

                var value = (param.action == "UpdateData") ? param.value : param.changed[0];

                var filterData = _context.Schedule.Where(c => c.ScheduleID == Convert.ToInt32(value.ScheduleID));

                if (filterData.Count() > 0)

                {

                    DateTime startTime = Convert.ToDateTime(value.StartTime);

                    DateTime endTime = Convert.ToDateTime(value.EndTime);

                    Schedule appointment = _context.Schedule.Single(A => A.ScheduleID == Convert.ToInt32(value.Id));

                    appointment.StartTime = startTime;

                    appointment.EndTime = endTime;

                    appointment.StartTimezone = value.StartTimezone;

                    appointment.EndTimezone = value.EndTimezone;

                    appointment.Subject = value.Subject;

                    appointment.IsAllDay = value.IsAllDay;

                    appointment.RecurrenceRule = value.RecurrenceRule;

                    appointment.RecurrenceID = value.RecurrenceID;

                    appointment.RecurrenceException = value.RecurrenceException;

                }

                _context.SaveChanges();

            }

            if (param.action == "remove" || (param.action == "batch" && param.deleted != null)) // this block of code will execute while removing the appointment

            {

                if (param.action == "remove")

                {

                    int key = Convert.ToInt32(param.key);

                    Schedule appointment = _context.Schedule.Where(c => c.ScheduleID == key).FirstOrDefault();

                    if (appointment != null) _context.Schedule.Remove(appointment);

                }

                else

                {

                    foreach (var apps in param.deleted)

                    {

                        Schedule appointment = _context.Schedule.Where(c => c.ScheduleID == apps.ScheduleID).FirstOrDefault();

                        if (apps != null) _context.Schedule.Remove(appointment);

                    }

                }

                _context.SaveChanges();

            }

            var data = _context.Schedule.ToList();

            return Json(data);

        }

SchedulesController.cs - EditParams class

    public class EditParams

    {

        public string key { get; set; }

        public string action { get; set; }

        public List<Schedule> added { get; set; }

        public List<Schedule> changed { get; set; }

        public List<Schedule> deleted { get; set; }

        public Schedule value { get; set; }

    }

Index.cshtml

@using Syncfusion.EJ2

@model IEnumerable<DotNetCoreSqlDb.Models.Schedule>

@{

    ViewData["Title"] = "Index";

    Layout = "~/Views/Shared/_Layout.cshtml";

    var dataManager = new DataManager()

    {

        Url = "Schedules/LoadData",

        Adaptor = "UrlAdaptor",

        CrudUrl = "Schedules/UpdateData",

        CrossDomain = true

    };

}

<div class="row">

    <ejs-schedule id="schedule" height="550" selectedDate="new DateTime(2019, 8, 2)">

        <e-schedule-eventsettings dataSource="dataManager">

        </e-schedule-eventsettings>

    </ejs-schedule>

</div>

[Brad Shannon]

I found the fix in this thread: https://www.syncfusion.com/forums/143650/crud-operations-not-working

This...

public JsonResult UpdateData(EditParams param)

Should be this...

public JsonResult UpdateData([FromBody]EditParams param)

[Karthigeyan Krishnamurthi]

Hi Brad, 

Syncfusion greetings. 

Yes, that is the correct way and we're glad you discovered it yourself. 

Regards, 

Karthi