how to make Multi-Series stacked chart in c# asp.net

 i want to display line permanatly in Y axis in stacked chart , limitation is 3000 and now i am displaring yearly value ,i want make two column for one year value display 1.Total 2.total sales of the all the mobile below code i using Please post your answer  

protected void Page_Load(object sender, EventArgs e)
{
 
    DataTable dt = new DataTable();
    dt.Columns.AddRange(new DataColumn[] {
        new DataColumn("Apple"),
        new DataColumn("Nokia"),
        new DataColumn("Samsung"),
        new DataColumn("Sony"),
        new DataColumn("Motorola"),
        new DataColumn("Year")
    });
    dt.Rows.Add(1000, 200, 500, 400, 400, 2014);
    dt.Rows.Add(2000, 500, 500, 600, 400, 2015);
    dt.Columns.Add("Total");
    foreach (DataRow row in dt.Rows)
    {
        int total = 0;
        total += Convert.ToInt32(row["Apple"]);
        total += Convert.ToInt32(row["Nokia"]);
        total += Convert.ToInt32(row["Samsung"]);
        total += Convert.ToInt32(row["Sony"]);
        total += Convert.ToInt32(row["Motorola"]);
        row["Total"] = total;
    }
 
    if (dt.Rows.Count > 0)
    {
        for (int i = 0; i < dt.Rows.Count; i++)
        {
            MobileSalesChart.Series["Total"].Points.Add(new DataPoint(i, dt.Rows[i]["Total"].ToString().Trim()));
            MobileSalesChart.Series["Apple"].Points.Add(new DataPoint(i, dt.Rows[i]["Apple"].ToString().Trim()));
            MobileSalesChart.Series["Nokia"].Points.Add(new DataPoint(i, dt.Rows[i]["Nokia"].ToString().Trim()));
            MobileSalesChart.Series["Samsung"].Points.Add(new DataPoint(i, dt.Rows[i]["Samsung"].ToString().Trim()));
            MobileSalesChart.Series["Sony"].Points.Add(new DataPoint(i, dt.Rows[i]["Sony"].ToString().Trim()));
            MobileSalesChart.Series["Motorola"].Points.Add(new DataPoint(i, dt.Rows[i]["Motorola"].ToString().Trim()));
            MobileSalesChart.Series[0].Points[i].AxisLabel = dt.Rows[i]["Year"].ToString().Trim();
        }
    }
}

<div>
    <div>
        <asp:Chart ID="MobileSalesChart" runat="server" Width="500px" Height="500px" ToolTip="Mobile Sales"
            BorderlineColor="Gray">
            <Series>
                <asp:Series Name="Apple" IsValueShownAsLabel="true" ChartType="StackedColumn" LegendText="Apple">
                </asp:Series>
                <asp:Series Name="Nokia" IsValueShownAsLabel="true" ChartType="StackedColumn">
                </asp:Series>
                <asp:Series Name="Samsung" IsValueShownAsLabel="true" ChartType="StackedColumn">
                </asp:Series>
                <asp:Series Name="Sony" IsValueShownAsLabel="true" ChartType="StackedColumn">
                </asp:Series>
                <asp:Series Name="Motorola" IsValueShownAsLabel="true" ChartType="StackedColumn">
                </asp:Series>
                <asp:Series Name="Total" IsValueShownAsLabel="true" ChartType="Point" LegendText="Total">
                </asp:Series>
            </Series>
            <Legends>
                <asp:Legend Name="MobileBrands" Docking="Bottom" Title="Mobile Sales (in 1000's)"
                    TableStyle="Wide" BorderDashStyle="Solid" BorderColor="#e8eaf1" TitleSeparator="Line"
                    TitleFont="TimesNewRoman" TitleSeparatorColor="#e8eaf1">
                </asp:Legend>
            </Legends>
            <ChartAreas>
                <asp:ChartArea Name="ChartArea1">
                    <AxisX>
                        <MajorGrid Enabled="false" />
                    </AxisX>
                </asp:ChartArea>
            </ChartAreas>
        </asp:Chart>
    </div>
</div>