public async void ExecuteSerialRead_Click(object sender, EventArgs e) { OperationsPanel.Enabled = false; CredentialsPanel.Enabled = false; Response.Text = "Waiting for response.."; Status.Text = "Executing.."; Bolt myBolt = new Bolt(ApiKey.Text.Trim(), DeviceId.Text.Trim()); string till = SerialReadTill.Value.ToString(); RequestURL.Text = BuildRequestUrl("serialRead", new List <string> { "till" }, new List <string> { till }); Response response = await myBolt.SerialRead(till); Response.Text = response.ResponseString; Status.Text = "Ready"; OperationsPanel.Enabled = true; CredentialsPanel.Enabled = true; }