<asp:chart id="chtRepositoryLevel" runat="server" xmlns:asp="#unknown">
<series>
<asp:series name="seriesTotalDocument" xvaluemember="RepositoryName" yvaluemembers="TotalDocument">
IsValueShownAsLabel="true">
</asp:series>
</series>
<chartareas>
<asp:chartarea name="chartArea" area3dstyle-enable3d="true">
</asp:chartarea>
</chartareas>
</asp:chart>
chtRepositoryLevel.DataSource = objDataTable;
chtRepositoryLevel.DataBind();
web.config
<assemblies>
<add assembly="System.Web.DataVisualization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31BF3856AD364E35" /></assemblies>
<pages enablesessionstate="true">
<controls>
<add tagprefix="asp" namespace="System.Web.UI.DataVisualization.Charting" assembly="System.Web.DataVisualization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
</controls>
</pages>
<system.webserver>
<validation validateintegratedmodeconfiguration="false" />
<handlers>
<remove name="ChartImageHandler" />
<add name="ChartImageHandler" precondition="integratedMode" verb="GET,HEAD,POST">
path="ChartImg.axd" type="System.Web.UI.DataVisualization.Charting.ChartHttpHandler, System.Web.DataVisualization, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35" />
</add></handlers>
</system.webserver>