Page View Count function in C# for Azure Functions

PageViewCount.csx

#r "Microsoft.WindowsAzure.Storage"
using Microsoft.WindowsAzure.Storage;
using Microsoft.WindowsAzure.Storage.Table;
using System.Net;

public static async Task<object> Run(HttpRequestMessage req, TraceWriter log)
{
    var page = req.GetQueryNameValuePairs().FirstOrDefault(kv => string.Compare(kv.Key, "page", true) == 0);
    if (String.IsNullOrEmpty(page.Value)) return req.CreateResponse(HttpStatusCode.BadRequest);

    var cloudService = CloudStorageAccount.Parse("ConnectionStringHere");
    var table = cloudService.CreateCloudTableClient().GetTableReference("PageViewCounts");

    var retrievedResult = table.Execute(TableOperation.Retrieve<PageViewCount>("damieng.com", page.Value));
    var pageView = (PageViewCount)retrievedResult.Result;
    if (pageView == null) {
        pageView = new PageViewCount(page.Value) { ViewCount = 1 };
        table.Execute(TableOperation.Insert(pageView));
    } else {
        pageView.ViewCount++;
        table.Execute(TableOperation.Replace(pageView));
    }

    return req.CreateResponse(HttpStatusCode.OK, new {
        page = page.Value,
        viewCount = pageView.ViewCount
    });
}

public class PageViewCount : TableEntity
{
    public PageViewCount(string pageName)
    {
        this.PartitionKey = "damieng.com";
        this.RowKey = pageName;
    }

    public PageViewCount() { }
    public int ViewCount { get; set; }
}