private void writeone()
{
EMAValue_Json sb = new EMAValue_Json();
sb.NumVal = "500";
List <EMAValue_Json> list = new List <EMAValue_Json>();
list.Add(sb);
string convertedJson = JsonConvert.SerializeObject(list, Formatting.Indented);
File.AppendAllText(@"C:\temp\EMALog_json.txt", convertedJson);
}
private void writeoutlast(decimal value)
{
string sinFromEmaLog = "";
sinFromEmaLog = File.ReadAllText(@"C:\temp\EMALog_json.txt");
var list = JsonConvert.DeserializeObject <List <EMAValue_Json> >(sinFromEmaLog);
EMAValue_Json itemToAdd = new EMAValue_Json();
itemToAdd.NumVal = value.ToString();
list.Add(itemToAdd);
string convertedJson = JsonConvert.SerializeObject(list, Formatting.Indented);
File.WriteAllText(@"C:\temp\EMALog_json.txt", convertedJson);
}