ارسال و بررسی وضعیت

private async Task<string> GetServiceUrlForSendAsync()
{
    try
    {
        using (HttpClient httpClient = new HttpClient())
        {
            await MoaddiyanSessionChecker.PrepareClientAsync(httpClient);
            var response = await httpClient.GetAsync
                (
                $"https://api.moaddiyan.com/api/taxoptions/ServiceUrlForIntamediaSend"
                );
            if (response.StatusCode != HttpStatusCode.OK)
            {
                Cursor = Cursors.Default;
                Enabled = true;
                MessageBox.Show(JsonConvert.DeserializeObject<string>(await response.Content.ReadAsStringAsync()));
                return "";
            }
            response.EnsureSuccessStatusCode();
            Cursor = Cursors.Default;
            Enabled = true;
            return JsonConvert.DeserializeObject<string>(await response.Content.ReadAsStringAsync());//snd.moaddiyan.com
        }
    }
    catch (Exception exp)
    {
        Cursor = Cursors.Default;
        Enabled = true;
        MessageBox.Show(exp.ToString());
        return "";
    }
}

private async Task<string> GetServiceUrlForSandBoxAsync()
{
    try
    {
        using (HttpClient httpClient = new HttpClient())
        {
            await MoaddiyanSessionChecker.PrepareClientAsync(httpClient);
            var response = await httpClient.GetAsync
                (
                $"https://api.moaddiyan.com/api/taxoptions/ServiceUrlForSandBox"
                );
            if (response.StatusCode != HttpStatusCode.OK)
            {
                Cursor = Cursors.Default;
                Enabled = true;
                MessageBox.Show(JsonConvert.DeserializeObject<string>(await response.Content.ReadAsStringAsync()));
                return "";
            }
            response.EnsureSuccessStatusCode();
            Cursor = Cursors.Default;
            Enabled = true;
            return JsonConvert.DeserializeObject<string>(await response.Content.ReadAsStringAsync());//box.moaddiyan.com
        }
    }
    catch (Exception exp)
    {
        Cursor = Cursors.Default;
        Enabled = true;
        MessageBox.Show(exp.ToString());
        return "";
    }
}

 private async void btnSend_Click(object sender, EventArgs e)
 {
     if(grd.SelectedRows.Count == 0)
     {
         MessageBox.Show("لطفاً صورتحسابهای مد نظر را انتخاب کنید.");
         return;
     }
     var workspaces = JsonConvert.DeserializeObject<WorkspaceExViewModel[]>(Settings.Default.WorkspacesJson);
     var workspace = workspaces.Where(w => w.Workspace.Id == Settings.Default.WorkspaceId).Single();

     List<Guid> idArray = new List<Guid>();
     foreach (DataGridViewRow row in grd.SelectedRows)
     {
         idArray.Add((row.DataBoundItem as IntamediaInvoice).Id);
     }
     try
     {
         string serviceUrl = workspace.TaxInfo.SandBox ? await GetServiceUrlForSandBoxAsync() : await GetServiceUrlForSendAsync();
         using (HttpClient httpClient = new HttpClient())
         {
             await MoaddiyanSessionChecker.PrepareClientAsync(httpClient);
             var response = await httpClient.PostAsync
                 (
                 $"https://{serviceUrl}/api/invoice/{Settings.Default.WorkspaceId}/queue",
                  new StringContent(JsonConvert.SerializeObject(idArray), Encoding.UTF8, "application/json")
                 );
             if (response.StatusCode != HttpStatusCode.OK)
             {
                 Cursor = Cursors.Default;
                 Enabled = true;
                 MessageBox.Show(JsonConvert.DeserializeObject<string>(await response.Content.ReadAsStringAsync()));
                 return;
             }
             response.EnsureSuccessStatusCode();
             MessageBox.Show("صورتحسابهای انتخاب شده در صف ارسال قرار گرفتند.");
         }
     }
     catch (Exception exp)
     {
         Cursor = Cursors.Default;
         Enabled = true;
         MessageBox.Show(exp.ToString());
         return;
     }
 }