public InfluxDBClient (string InfluxUrl, string UserName, string Password)
{
this._influxUrl = InfluxUrl;
this._influxDBUserName = UserName;
this._influxDBPassword = Password;
_client = new HttpClient ();
if (!(String.IsNullOrWhiteSpace (InfluxDBUserName) && String.IsNullOrWhiteSpace (InfluxDBPassword)))
_client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue ("Basic",
Convert.ToBase64String (System.Text.ASCIIEncoding.ASCII.GetBytes ($"{InfluxDBUserName}:{InfluxDBPassword}")));
_client.DefaultRequestHeaders.ConnectionClose = false;
}