public static void AddNew(this More more, string?json)
{
if (string.IsNullOrWhiteSpace(json))
{
return;
}
var items = JsonSerializer.Deserialize <More>(json);
if (items == null)
{
return;
}
foreach (var item in items.Where(item => !more.ContainsKey(item.Key)))
{
more.Add(item.Key, Convert.ToString(item.Value));
}
}