Import javascript array into MVC

Question

I have the following javascript:

{
   "presenceDetected":true,
   "timestamp":1571219073514,
   "RegionMap":{
      "0":1,
      "1":0
   },
   "deviceId":" TEST_DEVICE_ID "
}

and my current C# MVC class:

[DataContract]
public class Presence
{
    [DataMember]
    public bool presenceDetected { get; set; }
    [DataMember]
    public long timestamp { get; set; }
    [DataMember]
    public Array RegionMap { get; set; }
    [DataMember]
    public string deviceId { get; set; }
}

And my API method:

public void MonitorPresence([FromBody] Presence APresenceData)
{
//Loop thru RegionMap here.
}

While this seems to bring in the array - I don't actually get any values. I am sure its wrong. There might be 0, 1, or 2+ values within the region map array.

I am not able to change the JSON - how do I build my class to accept the RegionMap array?

RegionMap is not an array it is an object in your json.

Peter Csala
– Peter Csala

2021-09-03 14:51:12 +00:00
Commented Sep 3, 2021 at 14:51 — Peter Csala
– Peter Csala, Commented Sep 3, 2021 at 14:51

Serge · Accepted Answer · 2021-09-03 15:01:46Z

1

Fix your class, replace Array RegionMap with Dictionary<string,int>

[DataContract]
public class Presence
{
    [DataMember]
    public bool presenceDetected { get; set; }
    [DataMember]
    public long timestamp { get; set; }
    [DataMember]
    public Dictionary<string,string> RegionMap { get; set; }
    [DataMember]
    public string deviceId { get; set; }
}

edited Sep 3, 2021 at 15:01

answered Sep 3, 2021 at 14:57

Serge

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3 Comments

Peter Csala Over a year ago

Dictionary<int,int> might be suitable as well

Serge Over a year ago

@PeterCsala Thank you. You are right but let us take the midle Dictionary<string,int>

kurabdurbos Over a year ago

The middle is how I think will work best - and it worked perfectly.

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