InsertEntity

public void InsertEntity(String tableName, String artist, String title)
{
    String requestMethod = "POST";

    String urlPath = tableName;

    String storageServiceVersion = "2012-02-12";

    String dateInRfc1123Format = DateTime.UtcNow.ToString("R", CultureInfo.InvariantCulture);
    String contentMD5 = String.Empty;
    String contentType = "application/atom+xml";
    String canonicalizedResource = String.Format("/{0}/{1}", AzureStorageConstants.Account, urlPath);
    String stringToSign = String.Format(
            "{0}\n{1}\n{2}\n{3}\n{4}",
            requestMethod,
            contentMD5,
            contentType,
            dateInRfc1123Format,
            canonicalizedResource);
    String authorizationHeader = Utility.CreateAuthorizationHeader(stringToSign);

    UTF8Encoding utf8Encoding = new UTF8Encoding();
    Byte[] content = utf8Encoding.GetBytes(GetRequestContentInsertXml(artist, title));

    Uri uri = new Uri(AzureStorageConstants.TableEndPoint + urlPath);
    HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri);
    request.Accept = "application/atom+xml,application/xml";
    request.ContentLength = content.Length;
    request.ContentType = contentType;
    request.Method = requestMethod;
    request.Headers.Add("x-ms-date", dateInRfc1123Format);
    request.Headers.Add("x-ms-version", storageServiceVersion);
    request.Headers.Add("Authorization", authorizationHeader);
    request.Headers.Add("Accept-Charset", "UTF-8");

    request.Headers.Add("DataServiceVersion", "2.0;NetFx");
    request.Headers.Add("MaxDataServiceVersion", "2.0;NetFx");

    using (Stream requestStream = request.GetRequestStream())
    {
        requestStream.Write(content, 0, content.Length);
    }

    using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
    {
        Stream dataStream = response.GetResponseStream();
        using (StreamReader reader = new StreamReader(dataStream))
        {
            String responseFromServer = reader.ReadToEnd();
        }
    }
}


private String GetRequestContentInsertXml(String artist, String title)
{
    String defaultNameSpace = "http://www.w3.org/2005/Atom";
    String dataservicesNameSpace = "http://schemas.microsoft.com/ado/2007/08/dataservices";
    String metadataNameSpace = "http://schemas.microsoft.com/ado/2007/08/dataservices/metadata";

    XmlWriterSettings xmlWriterSettings = new XmlWriterSettings();
    xmlWriterSettings.OmitXmlDeclaration = false;
    xmlWriterSettings.Encoding = Encoding.UTF8;

    StringBuilder entry = new StringBuilder();
    using (XmlWriter xmlWriter = XmlWriter.Create(entry))
    {
        xmlWriter.WriteProcessingInstruction("xml", "version=\"1.0\" encoding=\"UTF-8\"");
        xmlWriter.WriteWhitespace("\n");
        xmlWriter.WriteStartElement("entry", defaultNameSpace);
        xmlWriter.WriteAttributeString("xmlns", "d", null, dataservicesNameSpace);
        xmlWriter.WriteAttributeString("xmlns", "m", null, metadataNameSpace);
        xmlWriter.WriteElementString("title", null);
        xmlWriter.WriteElementString("updated", String.Format("{0:o}", DateTime.UtcNow));
        xmlWriter.WriteStartElement("author");
        xmlWriter.WriteElementString("name", null);
        xmlWriter.WriteEndElement();
        xmlWriter.WriteElementString("id", null);
        xmlWriter.WriteStartElement("content");
        xmlWriter.WriteAttributeString("type", "application/xml");
        xmlWriter.WriteStartElement("properties", metadataNameSpace);
        xmlWriter.WriteElementString("PartitionKey", dataservicesNameSpace, artist);
        xmlWriter.WriteElementString("RowKey", dataservicesNameSpace, title);
        xmlWriter.WriteElementString("Artist", dataservicesNameSpace, artist);
        xmlWriter.WriteElementString("Title", dataservicesNameSpace, title + "\n" + title);
        xmlWriter.WriteEndElement();
        xmlWriter.WriteEndElement();
        xmlWriter.WriteEndElement();
        xmlWriter.Close();
    }
    String requestContent = entry.ToString();
    return requestContent;
}