Azure C# - Update a particular entry in a row

i have a table on azure and i wish to update a particular entry in the table. when I try to update the table with the .UpdateAsync(object); method, the whole row is replaced with null values and the parameters specified only gets updated


 ipray_users data = new ipray_users {id= settings["userid"].ToString(), favorite = String.Format( + "#") };
 await App.MobileService.GetTable<ipray_users>().UpdateAsync(data);

ipray_users class

class ipray_users
    public string id { get; set; }
    public int age { get; set; }
    public string email { get; set; }
    public string gender { get; set; }       
    public string country { get; set; }
    public string name { get; set; }
    public string favorite { get; set; }



If you want to update only a certain subset of properties of your object, you can use the "untyped" (JSON) overload of the UpdateAsync call, which lets you pass a JSON object with only the properties that you want updated. In your example, it would look something like the code below:

JObject data = new JObject {
    { "id", settings["userid"].ToString() },
    { "favorite", String.Format( + "#") }
await App.MobileService.GetTable<ipray_users>().UpdateAsync(data);

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