</ iframe > </noscript> <!-- End Google Tag Manager (noscript) --> <div id="BeforeHeaderContent"> </div> <div id="HeaderContent"> <div id="ProjectTitle">2D Chart for WinForms</div> <div id="PageTitle"><div id="PageTitleText">Attaching the Chart Label by Data Point</div></div> </div> <div id="AfterHeaderContent"> <!-- Spacing --> <span id="ToggleAllSectionsLink" class="FunctionLink"> <label id="CollapseAllLabel">Collapse All</label> <label id="ExpandAllLabel" style="display: none;">Expand All</label> </span> </div> <div class="BreadcrumbsContainer"><table><tr><td> <a href="chartinglabels.html">Charting Labels</a> > <a href="attachingandposition.html">Attaching and Positioning Chart Labels</a> > Attaching the Chart Label by Data Point</td></tr></table></div> <div id="BodyContent"> <p>To attach a ChartLabel to a data point, set the <b>AttachMethod</b> property to AttachMethodEnum.DataIndex, and then under the AttachMethodData object set the <b>GroupIndex</b>, <b>SeriesIndex</b>, and <b>PointIndex</b> properties. These properties specify the ChartGroup, Series, and Point indices. PointIndex refers to the element of the data array. SeriesIndex refers to the element of the series array. Each series has arrays of data.</p> <p>The following code example attaches a ChartLabel to a data point:</p> <p class="hs-toggler">To write code in Visual Basic</p> <div style="display: none;" class="hs-toggler-container"> <div class="FilteredContentVB" data-title="VB" data-itemid="VB"> <table class="SyntaxTable"> <tbody> <tr> <th>Visual Basic</th> <th> <div class="CopyCodeWrapper"> <span class="CopyCode">Copy Code</span> </div> </th> </tr> <tr> <td colspan="2"> <pre> With C1Chart1.ChartLabels.LabelsCollection(0) .AttachMethod = AttachMethodEnum.DataIndex .AttachMethodData.GroupIndex = 0 .AttachMethodData.SeriesIndex = 1 .AttachMethodData.PointIndex = 2 End With </pre> </td> </tr> </tbody> </table> </div> </div> <p class="hs-toggler">To write code in C#</p> <div style="display: none;" class="hs-toggler-container"> <div class="FilteredContentCS" data-title="CS" data-itemid="CS"> <table class="SyntaxTable"> <tbody> <tr> <th>C#</th> <th> <div class="CopyCodeWrapper"> <span class="CopyCode">Copy Code</span> </div> </th> </tr> <tr> <td colspan="2"> <pre> C1.Win.C1Chart.Label lab = c1Chart1.ChartLabels.LabelsCollection[0]; lab.AttachMethod = AttachMethodEnum.DataIndex; lab.AttachMethodData.GroupIndex = 0; lab.AttachMethodData.SeriesIndex = 1; lab.AttachMethodData.PointIndex = 2; </pre> </td> </tr> </tbody> </table> </div> </div> <p>For more information on how to attach the chart label by data point at design time see, Attach by Data Index.</p> <a name="seealsobookmark"></a> <div class="SectionHeading" id="seealsoSectionHeading"><span class="SectionHeadingIcon"><!-- --></span><span class="SectionHeadingText">See Also</span></div><div id="seealsoSectionContent" class="SectionContent"><div class="SeeAlsoLink"> <a href="attachingthechartlab3.html">Attaching the Chart Label by Data Point and Y Value</a></div> </div> </div> <div id="FooterContent"> <p> </p><p> </p><hr style="height: 1px"><p>Copyright (c) <script type="text/javascript"> var theDate=new Date() document.write(theDate.getFullYear()) </script> GrapeCity, inc. All rights reserved. <script> $(document).ready(function() { if (!(window.self !== window.top)) { // Not running in a frameset // Get the page name var pageName = location.href.substring(location.href.lastIndexOf("/") + 1); if (pageName.indexOf("#") != -1) { pageName = pageName.substring(0, pageName.indexOf("#")); } // Append to webframe.html var framePage = "webframe.html#" + pageName; location.href = framePage; } }); </script></p> <a target="_blank" href="http://our.componentone.com/groups/">Product Support Forum</a> | <a target="_blank" href="http://feedback.componentone.com/forums/255782-winforms-documentation">Documentation Feedback</a> </div> </body> </html>