public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!Page.IsPostBack)
            {
                Test();
            }
        }

        private void Test()
        {
            System.Diagnostics.Stopwatch stopWatch = new System.Diagnostics.Stopwatch();
            stopWatch.Start();

            // Preparation
            ShapeFileFeatureSource shapeFileFeatureSource = new ShapeFileFeatureSource(MapPath("~/Data/austinstreets.shp"));
            shapeFileFeatureSource.Open();

            Collection<FeatureSourceColumn> featureSourceColumns =  shapeFileFeatureSource.GetColumns();

            string[] columnsNames = new string[featureSourceColumns.Count];
            for (int i = 0; i < columnsNames.Length; i++)
            {
                columnsNames[i] = featureSourceColumns[i].ColumnName;
            }

            // Set the inMemory data source
            InMemoryFeatureSource inMemoryFeatureSource = new InMemoryFeatureSource(featureSourceColumns);
            inMemoryFeatureSource.Open();
            inMemoryFeatureSource.BeginTransaction();

            // Get feature from the shp file and add them to inMemoryDataSource one by one.
            int count = shapeFileFeatureSource.GetCount();
            for (int i = 1; i <= count; i++)
            {
                Feature feature = shapeFileFeatureSource.GetFeatureById(i.ToString().Trim(), columnsNames);
                inMemoryFeatureSource.AddFeature(feature);
            }

            inMemoryFeatureSource.CommitTransaction();

            System.Diagnostics.Debug.WriteLine(stopWatch.ElapsedMilliseconds);
        }
    }