public string GetQuantityChartHtml()
        {
            //In this example, we show how to connect FusionCharts to a database
            //using dataURL method. In our other examples, we've used dataXML method
            //where the XML is generated in the same page as chart. Here, the XML data
            //for the chart would be generated in PieData.asp.

            //To illustrate how to pass additional data as querystring to dataURL,
            //we've added an animate	property, which will be passed to PieData.aspx.
            //PieData.aspx would handle this animate property and then generate the
            //XML accordingly.

            //For the sake of ease, we've used an Access database which is present in
            //../DB/FactoryDB.mdb. It just contains two tables, which are linked to each
            //other.

            //Variable to contain dataURL
            //Set DataURL with animation property to 1
            //NOTE: It's necessary to encode the dataURL if you've added parameters to it
            String dataURL = FusionCharts.EncodeDataURL("PieData.aspx?animate=1", false);

            //Create the chart - Pie 3D Chart with dataURL as strDataURL
            return(FusionCharts.RenderChart("../../FusionCharts/Pie3D.swf", dataURL, "", "FactorySum", "600", "300", false, false));
        }