<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<AjaxControlToolkit:BarChart ID="BarChart1" runat="server" ChartHeight="300" ChartWidth="450" ChartType="Column" ChartTitle="petrol" CategoriesAxis="10,20,30,40,50,60,70,80,90" ChartTitleColor="#0E426C" CategoryAxisLineColor="#D08AD9" ValueAxisLineColor="#D08AD9"
BaseLineColor="#A156AB" >
<Series>
<AjaxControlToolkit:BarChartSeries Name="liters" Data="10,20,30,45,60" BarColor="#A156AB"/>
</Series>
</AjaxControlToolkit:BarChart>