/// </summary>
        /// <param name="csName">The name of the property / connection string.</param>
        /// <param name="connectionString">The connectionstring value.</param>
        public static void UpdateConnectionStrings(string csName, string connectionString)
        {
            // Get the configuration file
            System.Configuration.Configuration config =
                ConfigurationManager.OpenExeConfiguration(
                ConfigurationUserLevel.None);

            // Remove the existing connectionstring.
            config.ConnectionStrings.ConnectionStrings.Remove(csName);
            // Add the connectionstring
            ConnectionStringsSection csSection = config.ConnectionStrings;
            csSection.ConnectionStrings.Add(
                new ConnectionStringSettings(csName,
                connectionString, "Microsoft.SqlServerCe.Client.3.5"));

            // Save the configuration file
            config.Save(ConfigurationSaveMode.Full);
            // Force a reload of the changed section.
            ConfigurationManager.RefreshSection("connectionStrings");
        }