How to add Items to the property of class type

Question

Following is my class with aliases List property of class type (MeetingAliases). How to add multiple items to aliases and pass as a parameter along with other TSGetRootObject property data to some method. for eg.

TSGetRootObject ts = new TSGetRootObject(); ts.aliases ???? //How to add data list here ts.name = id; ts.service_type = srvtype; ts = TransfomationSrv.PostData(ts); public class TSGetRootObject { [DataMember] [JsonProperty(NullValueHandling = NullValueHandling.Ignore)] public List<MeetingAliases> aliases { get; set; } [DataMember] [JsonProperty(NullValueHandling = NullValueHandling.Ignore)] public bool? allow_guests { get; set; } } public class MeetingAliases { [DataMember] [JsonProperty(NullValueHandling = NullValueHandling.Ignore)] public string alias { get; set; } [DataMember] [JsonProperty(NullValueHandling = NullValueHandling.Ignore)] public string conference { get; set; } [DataMember] [JsonProperty(NullValueHandling = NullValueHandling.Ignore)] public string description { get; set; } [DataMember] [JsonProperty(NullValueHandling = NullValueHandling.Ignore)] public int? id { get; set; } }

Something like this: ts.aliases = new List<MeetingAliases>(); ts.aliases.Add(new MeetingAliases()); — Gilad Green
– Gilad Green, Commented Oct 5, 2016 at 11:01

Gilad Green · Accepted Answer · 2016-10-05 11:27:06Z

ts.aliases = new List<MeetingAliases>(); ts.aliases.Add(new MeetingAliases { alias = "Some text", conference = "Other text" });

I'd recommend that you have a look at Object Initializer

You can also initialize the aliases list in the constructor of the TSGetRootObject:

public class TSGetRootObject { public TSGetRootObject { aliases = new List<MeetingAliases>(); } //Or in c# 6.0 or higher: public List<MeetingAliases> aliases { get; set; } = new List<MeetingAliases>(); }

Note that the second initializer example is only available from C#6

Bojan B · Accepted Answer · 2016-10-05 11:20:12Z

One option how you can do this would be:

Add a constructor to TSGetRootObject where you initialize the List. Then add a new object MeetingAliases to the TSGetRootObject object:

TSGetRootObject ts = new TSGetRootObject(); ts.aliases.Add(new MeetingAliases { alias = "alias", conference = "conference", description = "description", id = 1 }); ts.name = id; ts.service_type = srvtype; ts = TransfomationSrv.PostData(ts); public class TSGetRootObject { [DataMember] [JsonProperty(NullValueHandling = NullValueHandling.Ignore)] public List<MeetingAliases> aliases { get; set; } [DataMember] [JsonProperty(NullValueHandling = NullValueHandling.Ignore)] public bool? allow_guests { get; set; } public TSGetRootObject(){ aliases = new List<MeetingAliases>(); } } public class MeetingAliases { [DataMember] [JsonProperty(NullValueHandling = NullValueHandling.Ignore)] public string alias { get; set; } [DataMember] [JsonProperty(NullValueHandling = NullValueHandling.Ignore)] public string conference { get; set; } [DataMember] [JsonProperty(NullValueHandling = NullValueHandling.Ignore)] public string description { get; set; } [DataMember] [JsonProperty(NullValueHandling = NullValueHandling.Ignore)] public int? id { get; set; } }

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