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Version Q2 2011 released 07/12/2011
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Chart / Asynchronous Update on RadChart

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

RadControls for Silverlight


  • The following example demonstrates how RadChart can be integrated with the ASP.NET AJAX framework. The example features the following components:

    • RadChart -- displays a server CPU load by days
    • ASP.NET AJAX UpdatePanel -- wraps the chart control and performs the Ajax requests
    • ASP.NET AJAX UpdateProgress -- responsible for the visual indication on the client-side of an ongoing Ajax request.
    • ASP.NET AJAX Timer -- triggers the Ajax requests for data refresh on a regular interval
    .

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page Language="C#" AutoEventWireup="true" CodeFile="DefaultCS.aspx.cs" Inherits="Controls_Examples_Integration_AspAjaxChartApplication_DefaultCS" %>

    <%@ Register TagPrefix="telerik" TagName="Footer" Src="~/Common/Footer.ascx" %>
    <%@ Register TagPrefix="telerik" TagName="HeadTag" Src="~/Common/HeadTag.ascx" %>
    <%@ Register TagPrefix="telerik" TagName="Header" Src="~/Common/Header.ascx" %>
    <%@ Register TagPrefix="telerik" Namespace="Telerik.QuickStart" %>
    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <%@ Register TagPrefix="telerik" Namespace="Telerik.Charting" Assembly="Telerik.Web.UI" %>
    <!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">
        <telerik:HeadTag runat="server" ID="Headtag1"></telerik:HeadTag>
    </head>
    <body class="BODY">
        <form id="form1" runat="server">
            <telerik:Header ID="Header1" runat="server" AccessibilityLevel="AAA" NavigationLanguage="C#">
            </telerik:Header>
            <!-- content start -->
            <asp:ScriptManager ID="ScriptManager" runat="server" />
            <asp:UpdatePanel ID="UpdatePanel1" runat="server">
                <ContentTemplate>
                    <asp:Timer ID="Timer1" runat="server" Interval="3000" OnTick="Timer1_Tick">
                    </asp:Timer>
                    <telerik:RadChart ID="Radchart2" runat="server" Height="370px" Width="570px" AlternateText=""
                        EnableViewState="false">
                        <Appearance Border-Color="246,246,246">
                        </Appearance>
                        <PlotArea Appearance-Dimensions-Margins="80,60,50,80">
                            <YAxis AutoScale="false" Appearance-ValueFormat="Percent" MinValue="0" MaxValue="1"
                                Step="0.25">
                            </YAxis>
                            <XAxis LayoutMode="Normal" AutoScale="false">
                                <Appearance MinorGridLines-Visible="false" MajorGridLines-Visible="false" />
                                <AxisLabel TextBlock-Text="Days" Appearance-Position-AlignedPosition="Center">
                                </AxisLabel>
                            </XAxis>
                        </PlotArea>
                        <Legend Visible="False">
                            <Appearance Border-Color="227, 227, 227" FillStyle-FillType="Solid" FillStyle-MainColor="white">
                            </Appearance>
                        </Legend>
                        <ChartTitle>
                            <TextBlock Text="Server CPU Load by Days">
                            </TextBlock>
                        </ChartTitle>
                        <Series>
                            <telerik:ChartSeries Name="Series1" Type="Area">
                                <Appearance ShowLabels="False" LineSeriesAppearance-Width="3" PointMark-Visible="false"
                                    FillStyle-MainColor="199, 243, 178" FillStyle-SecondColor="17, 147, 7" Border-Color="dimgray">
                                </Appearance>
                            </telerik:ChartSeries>
                        </Series>
                    </telerik:RadChart>
                </ContentTemplate>
            </asp:UpdatePanel>
            <!-- content end -->
            <telerik:Footer ID="Footer1" runat="server"></telerik:Footer>
        </form>
    </body>
    </html>

Get more than expected!

 
 

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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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