Hi, MissingValue set to Gap or Zero doesn't work in RadHtmlChart with ScatterLineSeries. Interpolation is done instead. <telerik:RadHtmlChart runat="server"> <PlotArea> <Series> <telerik:ScatterLineSeries Name="Test" DataFieldX="XValue" DataFieldY="YValue" MissingValues="Gap"> <SeriesItems> <telerik:ScatterSeriesItem X="1" Y="8" /> <telerik:ScatterSeriesItem X="2" Y="9" /> <telerik:ScatterSeriesItem X="3" Y="4" /> <telerik:ScatterSeriesItem X="4" Y="6" /> <telerik:ScatterSeriesItem X="5" Y="7" /> <telerik:ScatterSeriesItem X="8" Y="1" /> <telerik:ScatterSeriesItem X="9" Y="5" /> <telerik:ScatterSeriesItem X="10" Y="4" /> </SeriesItems> </telerik:ScatterLineSeries> </Series> </PlotArea> </telerik:RadHtmlChart> The workaround described in the following link doesn't work either : https://feedback.telerik.com/Project/108/Feedback/Details/44399-fix-the-functionality-of-the-missingvalue-property-when-set-to-gap-in-areaserie Can you please fix this bug ? Thanks and regards.
Code that reproduces the issue: <telerik:RadHtmlChart runat="server" ID="RadHtmlChartColumnGender" Transitions="true" Width="150" Height="300"> <PlotArea> <Series> <telerik:ColumnSeries Name="Male" Stacked="true" StackType="Stack100"> <SeriesItems> <telerik:CategorySeriesItem Y="69" /> </SeriesItems> </telerik:ColumnSeries> <telerik:ColumnSeries Name="Female" Stacked="true" StackType="Stack100"> <SeriesItems> <telerik:CategorySeriesItem Y="3" /> </SeriesItems> </telerik:ColumnSeries> </Series> <YAxis NarrowRange="false"></YAxis> </PlotArea> </telerik:RadHtmlChart> Workaround: <script> function pageLoad() { var kendoChart = $find("RadHtmlChartColumnGender").get_kendoWidget(); var valueAxis = kendoChart.options.valueAxis; valueAxis.narrowRange = false; $find("RadHtmlChartColumnGender").setOptions({valueAxis: valueAxis}); } </script>
If you set in code behind CharTitle with simple Quote like RadChart1.ChartTitle.Text = "Présences sur l'année sélectionnée"; you obtain a blank space chart (nothing display) you have to set for running RadChart1.ChartTitle.Text = "Présences sur l'année sélectionnée";
When you configure RadHtmlChart's YAxis with NarrowRange set to true, the setting is not serialized and as a result, not applied. You can avoid it by setting the narrowRange on the client-side: <telerik:RadHtmlChart runat="server" ID="RadHtmlChart1" Width="250px" Height="300px"> <ClientEvents OnLoad="chartLoad" /> ... </telerik:RadHtmlChart> <script> function chartLoad(){ var chart = $telerik.$("#RadHtmlChart1").data("kendoChart"); chart.options.valueAxis.narrowRange = true; } </script>
<script> function chartLoad() { $find("RadHtmlChart2").get_kendoWidget().setOptions({ legend: { position: "top", width: 162, height: 88, orientation: "vertical" } }) } </script> <telerik:RadHtmlChart ID="RadHtmlChart2" runat="server" Width="350" Height="350"> <ClientEvents OnLoad="chartLoad" /> ... </telerik:RadHtmlChart>
Workaround use padding instead of margin: <telerik:RadHtmlChart ID="RadHtmlChart1" runat="server" Width="600px" Height="400px"> <PlotArea> <Series> <telerik:ColumnSeries Name="Product 1"> <SeriesItems> <telerik:CategorySeriesItem Y="15000" /> <telerik:CategorySeriesItem Y="-4000" /> <telerik:CategorySeriesItem Y="10000" /> </SeriesItems> </telerik:ColumnSeries> </Series> <XAxis> <LabelsAppearance RotationAngle="45"> <TextStyle Padding="135 0 0 0" /> </LabelsAppearance> <Items> <telerik:AxisItem LabelText="item1" /> <telerik:AxisItem LabelText="item2" /> <telerik:AxisItem LabelText="item3" /> </Items> </XAxis> </PlotArea> </telerik:RadHtmlChart>
For the time being you can use the following JavaScript workaround: <telerik:RadHtmlChart ID="RadHtmlChart1" runat="server" Width="600" Height="300"> <PlotArea> <Series> <telerik:LineSeries Name="series 1"> <SeriesItems> <telerik:CategorySeriesItem Y="30" /> <telerik:CategorySeriesItem Y="10" /> <telerik:CategorySeriesItem Y="25" /> <telerik:CategorySeriesItem Y="20" /> </SeriesItems> </telerik:LineSeries> </Series> <XAxis MinValue="1"> </XAxis> </PlotArea> </telerik:RadHtmlChart> <script> //JavaScript workaround function isNumber(val) { return typeof val === "number" && !isNaN(val); } var dataviz = kendo.dataviz, inArray = dataviz.inArray, deepExtend = kendo.deepExtend, math = Math, AREA = "area", VERTICAL_AREA = "verticalArea", VERTICAL_LINE = "verticalLine", LINE = "line"; kendo.dataviz.CategoricalPlotArea.fn.filterSeries = function (currentSeries, categoryAxis) { var range = categoryAxis.totalRangeIndices(); var justified = categoryAxis.options.justified; var outOfRangePoints = inArray(currentSeries.type, [LINE, VERTICAL_LINE, AREA, VERTICAL_AREA]); var categoryIx; range.min = isNumber(categoryAxis.options.min) ? math.floor(range.min) : 0; range.max = isNumber(categoryAxis.options.max) ? (justified ? math.floor(range.max) + 1 : math.ceil(range.max)) : currentSeries.data.length; currentSeries = deepExtend({}, currentSeries); if (outOfRangePoints) { var minCategory = range.min - 1; var srcCategories = categoryAxis.options.srcCategories || []; if (minCategory >= 0 && minCategory < currentSeries.data.length) { categoryIx = minCategory; currentSeries._outOfRangeMinPoint = { item: currentSeries.data[categoryIx], category: srcCategories[categoryIx], categoryIx: -1 }; } if (range.max < currentSeries.data.length) { categoryIx = range.max; currentSeries._outOfRangeMaxPoint = { item: currentSeries.data[categoryIx], category: srcCategories[categoryIx], categoryIx: range.max - range.min }; } } categoryAxis._seriesMax = math.max(categoryAxis._seriesMax || 0, currentSeries.data.length); currentSeries.data = (currentSeries.data || []).slice(range.min, range.max); return currentSeries; } </script>
For the time being the reversed properties can be set through the kendo widget: <script> function pageLoad(sender, args) { var radarChart = $find('<%=RadarLineChart.ClientID%>').get_kendoWidget(); var polarChart = $find('<%=PolarAreaChart.ClientID%>').get_kendoWidget(); radarChart.options.valueAxis.reverse = true; polarChart.options.yAxis.reverse = true; radarChart.options.categoryAxis.reverse = true; polarChart.options.xAxis.reverse = true; radarChart.redraw(); polarChart.redraw(); } </script> <telerik:RadHtmlChart runat="server" ID="RadarLineChart" Width="345" Height="345"> <PlotArea> <XAxis Reversed="true"> <Items> <telerik:AxisItem LabelText="January"></telerik:AxisItem> <telerik:AxisItem LabelText="February"></telerik:AxisItem> <telerik:AxisItem LabelText="March"></telerik:AxisItem> <telerik:AxisItem LabelText="April"></telerik:AxisItem> <telerik:AxisItem LabelText="May"></telerik:AxisItem> </Items> </XAxis> <YAxis Reversed="true"> </YAxis> <Series> <telerik:RadarLineSeries Name="Avg Low" MissingValues="Gap"> <SeriesItems> <telerik:CategorySeriesItem Y="1000"></telerik:CategorySeriesItem> <telerik:CategorySeriesItem Y="8000"></telerik:CategorySeriesItem> <telerik:CategorySeriesItem Y="11000"></telerik:CategorySeriesItem> <telerik:CategorySeriesItem Y="13000"></telerik:CategorySeriesItem> <telerik:CategorySeriesItem Y="12000"></telerik:CategorySeriesItem> </SeriesItems> </telerik:RadarLineSeries> </Series> </PlotArea> </telerik:RadHtmlChart> <telerik:RadHtmlChart runat="server" ID="PolarAreaChart" Width="345" Height="345"> <PlotArea> <XAxis Reversed="true"> </XAxis> <YAxis Reversed="true"> </YAxis> <Series> <telerik:PolarAreaSeries Name=">12.3 knots"> <SeriesItems> <telerik:PolarSeriesItem Angle="125" Radius="2.4"></telerik:PolarSeriesItem> <telerik:PolarSeriesItem Angle="138" Radius="7.5"></telerik:PolarSeriesItem> <telerik:PolarSeriesItem Angle="152" Radius="8.3"></telerik:PolarSeriesItem> <telerik:PolarSeriesItem Angle="166" Radius="4.3"></telerik:PolarSeriesItem> </SeriesItems> </telerik:PolarAreaSeries> </Series> </PlotArea> </telerik:RadHtmlChart>
JavaScript workaround: <telerik:RadHtmlChart runat="server" ID="LineChart" Width="800" Height="500" Transitions="true"> <PlotArea> <Series> <telerik:LineSeries Name="Week 15" ZIndex="0"> <SeriesItems> <telerik:CategorySeriesItem Y="15" /> <telerik:CategorySeriesItem /> <telerik:CategorySeriesItem Y="71" /> <telerik:CategorySeriesItem Y="93" /> <telerik:CategorySeriesItem Y="43" /> <telerik:CategorySeriesItem Y="23" /> </SeriesItems> </telerik:LineSeries> </Series> </PlotArea> </telerik:RadHtmlChart> <script> kendo.dataviz.LineChart.fn.animationPoints = function () { var series = this.seriesOptions; var points = []; var seriesPoints; var pointsIdx, idx; for (idx = 0; idx < series.length; idx++) { if (series[idx].markers.visible) { seriesPoints = this.seriesPoints[idx]; for (pointsIdx = 0; pointsIdx < seriesPoints.length; pointsIdx++) { if (seriesPoints[pointsIdx] != null) { points.push(seriesPoints[pointsIdx].marker); } } } } return points.concat(this._segments); } </script>
The workaround is to convert the color names to HEX, for example through the following HexConverter() method: ASPX: <telerik:RadClientExportManager runat="server" ID="RadClientExportManager1"> </telerik:RadClientExportManager> <telerik:RadButton ID="RadButton1" runat="server" OnClientClicked="exportRadHtmlChart" Text="Export RadHtmlChart to PDF" AutoPostBack="false" UseSubmitBehavior="false"></telerik:RadButton> <telerik:RadHtmlChart ID="RadHtmlChart1" runat="server" Width="600" Height="400"> <PlotArea> <Series> <telerik:ColumnSeries Name="Series 1" DataFieldY="myValues" ColorField="Color"> </telerik:ColumnSeries> </Series> </PlotArea> </telerik:RadHtmlChart> <script> var $ = $telerik.$; function exportRadHtmlChart() { $find('<%=RadClientExportManager1.ClientID%>').exportPDF($(".RadHtmlChart")); } </script> C#: protected void Page_Load(object sender, EventArgs e) { DataTable dt = GetData(); for (int i = 0; i < dt.Rows.Count; i++) { //Not all Color Names can be exported // dt.Rows[i]["Color"] = ColorTranslator.ToHtml(GetColor(i)); //Convert colors to HEX works properly dt.Rows[i]["Color"] = HexConverter(GetColor(i)); } RadHtmlChart1.DataSource = dt; RadHtmlChart1.DataBind(); } public static DataTable GetData() { DataTable dt = new DataTable("ChargeData"); dt.Columns.Add("myValues", typeof(int)); dt.Columns.Add("Color", typeof(string)); dt.Rows.Add(11, ""); dt.Rows.Add(12, ""); dt.Rows.Add(13, ""); dt.Rows.Add(14, ""); dt.Rows.Add(15, ""); dt.Rows.Add(16, ""); dt.Rows.Add(17, ""); dt.Rows.Add(18, ""); dt.Rows.Add(19, ""); dt.Rows.Add(20, ""); return dt; } public static String HexConverter(System.Drawing.Color c) { return "#" + c.R.ToString("X2") + c.G.ToString("X2") + c.B.ToString("X2"); } public static Color GetColor(int index) { return colors[index % colors.Length]; } public static readonly Color[] colors = { Color.Orange, Color.Violet, Color.MediumSeaGreen, Color.HotPink, Color.Black, Color.DarkGoldenrod, Color.DarkMagenta, Color.Chocolate, Color.DarkOliveGreen, Color.DarkTurquoise };