private async void SubmitClicked(object sender, EventArgs e) { var sendData = new FormData { Category = Category.Text, Machine = Machine.Text, SerialNumber = SerialNumber.Text, LastName = LastName.Text, FirstName = FirstName.Text, Email = Email.Text, Telephone = Telephone.Text, Comment = Comment.Text }; //var result = await WebApiClient.Instance.PostFormDataAsync(sendData); var result = 1; var history = new SendHistory { DataId = sendData.Id, IsSent = result, SentDate = DateTimeOffset.Now }; var client = new SQLiteClient(); client.AddData(history); if (result != 0) { FileSystemClient.Instance.WriteFile(sendData); await DisplayAlert("Done", "Form data is sent.", "OK"); } client.ReadAllData(); await Navigation.PopAsync(); }