RadHtmlChart.aspx

<telerik:RadHtmlChart runat="server" Width="800px" Height="500px">
    <Appearance>
        <FillStyle BackgroundColor="LightGray" />
    </Appearance>
    <ChartTitle Text="Server CPU Load By Days">
        <Appearance Align="Center" BackgroundColor="White" 
                    Position="Top" />
    </ChartTitle>
    <Legend>
        <Appearance BackgroundColor="White" Position="Bottom" />
    </Legend>

    <PlotArea>
        <Appearance>
            <FillStyle BackgroundColor="YellowGreen" />
        </Appearance>

        <XAxis AxisCrossingValue="0" Color="Black" 
               MajorTickType="Outside" MinorTickType="None" 
               Reversed="false">
            <Items>
                <telerik:AxisItem LabelText="Monday" />
                <telerik:AxisItem LabelText="Tuesday" />
                <telerik:AxisItem LabelText="Wednesday" />
                <telerik:AxisItem LabelText="Thursday" />
                <telerik:AxisItem LabelText="Friday" />
                <telerik:AxisItem LabelText="Saturday" />
                <telerik:AxisItem LabelText="Sunday" />
            </Items>
            <LabelsAppearance DataFormatString="{0}" 
                              RotationAngle="0" />
            <MajorGridLines Color="#EFEFEF" Width="1" />
            <MinorGridLines Color="#F7F7F7" Width="1" />
            <TitleAppearance Position="Center" RotationAngle="0" 
                Text="Days" />
        </XAxis>

        <YAxis Color="Black" MajorTickSize="1" MajorTickType="Outside"
            MinorTickSize="1" MinorTickType="Outside"
            MaxValue="100" MinValue="0" Step="25">
            <LabelsAppearance DataFormatString="{0}%" 
                              RotationAngle="0" />
            <MajorGridLines Color="#EFEFEF" Width="1" />
            <MinorGridLines Color="#F7F7F7" Width="1" />
            <TitleAppearance Position="Center" RotationAngle="0" 
                Text="CPU Load" />
        </YAxis>

        <Series>
            <telerik:BarSeries Name="Week 1">
                <Items>
                    <telerik:SeriesItem YValue="35" />
                    <telerik:SeriesItem YValue="52" />
                    <telerik:SeriesItem YValue="18" />
                    <telerik:SeriesItem YValue="39" />
                    <telerik:SeriesItem />
                    <telerik:SeriesItem YValue="10" />
                    <telerik:SeriesItem YValue="6" />
                </Items>
                <Appearance>
                    <FillStyle BackgroundColor="Red" />
                </Appearance>
                <LabelsAppearance DataFormatString="{0}%" 
                                  Position="OutsideEnd" />
                <TooltipsAppearance BackgroundColor="White" 
                                    DataFormatString="{0}%" />
            </telerik:BarSeries>
            <telerik:BarSeries Name="Week 2">
                <Appearance>
                    <FillStyle BackgroundColor="Blue" />
                </Appearance>
                <LabelsAppearance DataFormatString="{0}%" 
                                  Position="OutsideEnd" />
                <TooltipsAppearance BackgroundColor="Gray" 
                                    DataFormatString="{0}%" />
                <Items>
                    <telerik:SeriesItem YValue="15" />
                    <telerik:SeriesItem YValue="23" />
                    <telerik:SeriesItem YValue="50" />
                    <telerik:SeriesItem YValue="20" />
                    <telerik:SeriesItem YValue="93" />
                    <telerik:SeriesItem YValue="43" />
                    <telerik:SeriesItem YValue="23" />
                </Items>
            </telerik:BarSeries>
        </Series>

    </PlotArea>

</telerik:RadHtmlChart>