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Version Q2 2011 released 07/12/2011
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Chart / Empty Values

Did you know that you can add Telerik Silverlight Charts to your ASP.NET applications?

RadControls for Silverlight


  • RadChart now supports empty values approximation. If your dataset is missing a value RadChart can approximate it for you.

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page Language="c#" AutoEventWireup="false" Inherits="System.Web.UI.Page"%>

    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <%@ Register TagPrefix="telerik" Namespace="Telerik.Charting" Assembly="Telerik.Web.UI" %>

    <%@ Register TagPrefix="qsf" TagName="Header" Src="~/Common/Header.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="HeadTag" Src="~/Common/HeadTag.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="Footer" Src="~/Common/Footer.ascx" %>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <qsf:HeadTag ID="Headtag1" runat="server" />
    </head>
    <body class="BODY">
        <form id="Form1" method="post" runat="server">
            <qsf:Header ShowSkinChooser="false" ID="Header1" runat="server" NavigationLanguage="CS" />
            <asp:ScriptManager ID="ScriptManager" runat="server" />
            <div style="float:right">
            <telerik:RadChart runat="server" Width="370" ID="RadChart2" Skin="LightBlue">
                <Series>
                    <telerik:ChartSeries Name="series 1" Type="SplineArea">
                        <Appearance Border-Width="2" Border-Color="black">
                            <LineSeriesAppearance />
                        </Appearance>
                        <Items>
                            <telerik:ChartSeriesItem YValue="3" XValue="0" />
                            <telerik:ChartSeriesItem YValue="6" XValue="1" />
                            <telerik:ChartSeriesItem YValue="4" XValue="2" Empty="true" />
                            <telerik:ChartSeriesItem YValue="3" XValue="3" />
                            <telerik:ChartSeriesItem YValue="8" XValue="4" />
                        </Items>
                    </telerik:ChartSeries>
                </Series>
                <PlotArea>
                    <XAxis LayoutMode="Normal" AutoScale="False" MaxValue="4" Step="1">
                    </XAxis>
                </PlotArea>
                <ChartTitle>
                    <TextBlock Text="Empty Values">
                    </TextBlock>
                </ChartTitle>
            </telerik:RadChart>
            </div><div>
            <telerik:RadChart runat="server" SeriesOrientation="Horizontal" Width="370" ID="RadChart1" Skin="LightBlue"
                IntelligentLabelsEnabled="true">
                <Series>
                    <telerik:ChartSeries Name="series 1" Type="Bar">
                        <Appearance>
                            <EmptyValue Line-Width="2" Line-Color="black" />
                        </Appearance>
                        <Items>
                            <telerik:ChartSeriesItem YValue="3" XValue="0" />
                            <telerik:ChartSeriesItem YValue="3" XValue="1" Empty="true" />
                            <telerik:ChartSeriesItem YValue="4" XValue="2" />
                            <telerik:ChartSeriesItem YValue="3" XValue="3" Empty="true" />
                            <telerik:ChartSeriesItem YValue="8" XValue="4" />
                        </Items>
                    </telerik:ChartSeries>
                </Series>
                <PlotArea>
                    <XAxis AutoScale="False" MaxValue="4" Step="1">
                    </XAxis>
                </PlotArea>
                <ChartTitle>
                    <TextBlock Text="Empty Values">
                    </TextBlock>
                </ChartTitle>
            </telerik:RadChart>
            </div>
            <qsf:Footer runat="server" ID="Footer1" ShowCodeViewer="true" />
        </form>
    </body>
    </html>

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Download your RadControls for ASP.NET AJAX trial and jumpstart your development with the available Getting Started resources.

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