</ iframe > </noscript> <!-- End Google Tag Manager (noscript) --> <div id="BeforeHeaderContent"> </div> <div id="HeaderContent"> <!--DXMETADATA start type="Literal" condition="communityenabled" value="%%scrap:name=_COMMUNITY_RATING%%" --><!--DXMETADATA end --> <!--DXMETADATA start type="LogoImage" --><!--DXMETADATA end--> <div id="ProjectTitle"><!--DXMETADATA start type="ProjectTitle" -->Chart for WPF and Silverlight<!--DXMETADATA end--></div> <div id="PageTitle"><div id="PageTitleText"><!--DXMETADATA start type="ItemTitle" -->Empty Values<!--DXMETADATA end--></div></div> </div> <div id="AfterHeaderContent"> <!-- Spacing --> <span id="ToggleAllSectionsLink" class="FunctionLink"> <label id="CollapseAllLabel"><!--DXMETADATA start type="Phrase" name="COLLAPSE_ALL" -->Collapse All<!--DXMETADATA end--></label> <label id="ExpandAllLabel" style="display: none;"><!--DXMETADATA start type="Phrase" name="EXPAND_ALL" -->Expand All<!--DXMETADATA end--></label> </span><!--DXMETADATA start type="Literal" condition="communityenabled" value="%%scrap:name=_COMMUNITY_DROPDOWN%%" --><!--DXMETADATA end --> </div> <!--DXMETADATA start type="Breadcrumbs" scrap="_BREADCRUMBS" --><div class="BreadcrumbsContainer"><table><tr><td> <a href="Component One Chart for WPF.html">Chart for WPF and Silverlight </a> > <a href="Chart Features.html">Chart Features</a> > Empty Values</td></tr></table></div><!--DXMETADATA end --> <div id="BodyContent"> <!--DXMETADATA start type="TopicSection" name="BodyText"--><p>By default, if there is a hole(double.NaN) in data values chart just skips the value and draws line to next valid data point.</p> <p>To change this behavior and show the gaps at the hole values, set <a href="C1.WPF.C1Chart.4~C1.WPF.C1Chart.DataSeries~Display.html">Display</a> = ShowNaNGap.</p> <p>For example, the following XAML code includes specified holes in the <strong>DataSeries</strong>:</p> <div class="FilteredContentCS" data-title="CS" data-itemid="CS"> <table class="SyntaxTable"> <tbody> <tr> <th>XAML</th> <th> <div class="CopyCodeWrapper"> <span class="CopyCode">Copy Code</span> </div> </th> </tr> <tr> <td colspan="2"> <pre> <c1chart:C1Chart Name=<span style="COLOR: #800000">"c1Chart1"</span> ChartType=<span style="COLOR: #800000">"Line"</span>> <c1chart:C1Chart.Data> <c1chart:ChartData> <c1chart:DataSeries Values=<span style="COLOR: #800000">"20 22 NaN 24 15 NaN 27 26"</span> ConnectionStrokeThickness=<span style="COLOR: #800000">"3"</span> /> </c1chart:ChartData> </c1chart:C1Chart.Data> </c1chart:C1Chart> </pre> </td> </tr> </tbody> </table> </div> <p>The chart appears similar to the following without the <strong>Display</strong> property set:</p> <p> </p> <p><img border="0" alt="" src="images/Graphics/DefaultLineChart.PNG"></p> <p> </p> <p>To show a gap between the chart lines in a <b>Line</b> chart you can set the <b>Display</b> property to ShowNaNGap like the following:</p> <div class="FilteredContentCS" data-title="CS" data-itemid="CS"> <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> Me.C1Chart1.Data.Children(1).Display = C1.WPF.C1Chart.SeriesDisplay.ShowNaNGap </pre> </td> </tr> </tbody> </table> </div> <p> </p> <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> <span style="COLOR: #0000ff">this</span>.C1Chart1.Data.Children[1].Display = C1.WPF.C1Chart.SeriesDisplay.ShowNaNGap; </pre> </td> </tr> </tbody> </table> </div> <p class="AutoBodyText">The line chart will display a gap between the chart lines, similar to the following:</p> <p class="MsoBodyText"> </p> <p class="MsoBodyText"><img border="0" alt="" src="images/Graphics/Display=ShowNaNGap.PNG"></p> <p> </p><!--DXMETADATA end--> <a name="seealsobookmark"></a> <!--DXMETADATA start type="FilteredItemList" scrap="CATEGORISED_LINKS" namespace="linkcategory" source="Item" filter="" NoHeader="True" NoFooter="True" format="%%replaceinquotes:value=false%%%%scrap:name=_COLLAPSIBLE_HEADER,idprefix=seealso,caption=""%%phrase:name=SeeAlso%%%%designlist:tagidentifier=seealso,itemtype=See Also%%""%%%%filtereditemlist%%</div>"--><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="Grouping and Aggregation.html">Grouping and Aggregation</a></div> </div><!--DXMETADATA end--> </div> <div id="FooterContent"> <!--DXMETADATA start type="Scrap" condition="communityenabled" name="_COMMUNITY_FOOTER" --><!--DXMETADATA end --> <!--DXMETADATA start type="Variable" name="CopyrightNotice" format="<p> </p><p> </p><hr style=""height: 1px"" /><p>%%variable%%</p>" --><p> </p><p> </p><hr style="height: 1px"><p>Copyright © <script type="text/javascript"> var theDate=new Date() document.write(theDate.getFullYear()) </script> GrapeCity, inc. 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