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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| --- | ||
| title: No Data Template | ||
| page_title: No Data Template | ||
| description: "Learn how to use the No Data Template of the Kendo UI for jQuery Chart." | ||
| slug: kendo_charts_no_data_template | ||
| position: 7 | ||
| --- | ||
|
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| # No Data Template | ||
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| The Kendo UI for jQuery Chart component allows to display a message when there is no data to show. This feature is particularly useful when loading data asynchronously, as it reassures users that data may appear after a delay. Customizing the No Data Template is simple, enabling to add styling or interactive elements like buttons to improve usability. The No Data Template can be used for all [chart types]({% slug overview_charttypes_charts %}). Here's how to set up a custom message for scenarios where the chart data is unavailable. | ||
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| ## Example with Bar Chart | ||
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| ```dojo | ||
| <div id="chart"></div> | ||
| <script> | ||
| $(document).ready(function () { | ||
| var dataSource = new kendo.data.DataSource({ | ||
| transport: { | ||
| read: { | ||
| url: "https://demos.telerik.com/kendo-ui/content/dataviz/js/spain-electricity.json", | ||
| dataType: "json" | ||
| } | ||
| }, | ||
| sort: { | ||
| field: "year", | ||
| dir: "asc" | ||
| } | ||
| }); | ||
| $("#chart").kendoChart({ | ||
| dataSource: { | ||
| data: [] | ||
| }, | ||
| title: { | ||
| text: 'Spain electricity production (GWh)' | ||
| }, | ||
| series: | ||
| [{ | ||
| field: "nuclear", | ||
| categoryField: "year", | ||
| name: "Nuclear" | ||
| }, { | ||
| field: "hydro", | ||
| categoryField: "year", | ||
| name: "Hydro" | ||
| }, { | ||
| field: "wind", | ||
| categoryField: "year", | ||
| name: "Wind" | ||
| }], | ||
| categoryAxis: { | ||
| labels: { | ||
| rotation: -90 | ||
| }, | ||
| majorGridLines: { | ||
| visible: false | ||
| } | ||
| }, | ||
| valueAxis: { | ||
| labels: { | ||
| format: "N0" | ||
| }, | ||
| majorUnit: 10000, | ||
| line: { | ||
| visible: false | ||
| } | ||
| }, | ||
| noData: { | ||
| template: () => { | ||
| return `<div class="empty-template"> | ||
| <p>There is no data to display.</p> | ||
| <button id="button" type="button">Load Data</button> | ||
| </div>`; | ||
| } | ||
| }, | ||
| dataBound: function () { | ||
| $("#button").kendoButton({ | ||
| icon: "arrow-rotate-cw", | ||
| click: function () { | ||
| let chart = $("#chart").data("kendoChart"); | ||
| chart.setDataSource(dataSource); | ||
| } | ||
| }) | ||
| } | ||
| }); | ||
| }); | ||
| </script> | ||
| ``` | ||
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| ## See Also | ||
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| * [API Reference of the Kendo UI for jQuery Chart](api/javascript/dataviz/ui/chart) | ||
| * [Overview of the Kendo UI for jQuery Bar Chart (Demos)](https://demos.telerik.com/kendo-ui/bar-charts/index) |
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