Components / Charts / Bar Chart

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Getting Started with the Bar Chart

This tutorial explains how to set up a basic Telerik UI for ASP.NET MVC Bar Chart and highlights the major steps in the configuration of the component.

You will initialize a Bar Chart control and configure the chart series, category axis, and value axis. Next, you will handle some of the Bar Chart events.

Sample Telerik UI for ASP.NET MVC Bar Chart

Prerequisites

To successfully complete the tutorial, you need a project that is already configured to use the Telerik UI for ASP.NET MVC components:

1. Prepare the CSHTML File

The first step is to add the required directives at the top of the .cshtml document:

  • To use the Telerik UI for ASP.NET MVC HtmlHelpers:

    @using Kendo.Mvc.UI

Optionally, you can structure the document by adding the desired HTML elements like headings, divs, paragraphs, and apply some basic styles.

2. Initialize the Bar Chart

Use the Bar Chart HtmlHelper to add the component to a page:

  • The Name() configuration method is mandatory as its value is used for the id and the name attributes of the Bar Chart element.

  • The Series() configuration method specifies the configuration of the chart series. The series type is determined by the value of the type field. If a type value is missing, the Chart component uses the one specified in seriesDefaults.

@using Kendo.Mvc.UI

@(Html.Kendo().Chart()
        .Name("chart")
        .Series(series =>
        {
            series.Column(new double[] { 3.907, 7.943, 7.848, 9.284, 9.263, 9.801, 3.890, 8.238, 9.552, 6.855 }).Name("India");
            series.Column(new double[] { 4.743, 7.295, 7.175, 6.376, 8.153, 8.535, 5.247, -7.832, 4.3, 4.3 }).Name("Russian Federation");
            series.Column(new double[] { 0.010, -0.375, 1.161, 0.684, 3.7, 3.269, 1.083, -5.127, 3.690, 2.995 }).Name("Germany");
            series.Column(new double[] { 1.988, 2.733, 3.994, 3.464, 4.001, 3.939, 1.333, -2.245, 4.339, 2.727 }).Name("World");
        })
    )

3. Add a CategoryAxis to the Chart

The CategoryAxis configuration method specifies the category axis configuration options.

@using Kendo.Mvc.UI

@(Html.Kendo().Chart()
        .Name("chart")
        .Series(series =>
        {
            series.Column(new double[] { 3.907, 7.943, 7.848, 9.284, 9.263, 9.801, 3.890, 8.238, 9.552, 6.855 }).Name("India");
            series.Column(new double[] { 4.743, 7.295, 7.175, 6.376, 8.153, 8.535, 5.247, -7.832, 4.3, 4.3 }).Name("Russian Federation");
            series.Column(new double[] { 0.010, -0.375, 1.161, 0.684, 3.7, 3.269, 1.083, -5.127, 3.690, 2.995 }).Name("Germany");
            series.Column(new double[] { 1.988, 2.733, 3.994, 3.464, 4.001, 3.939, 1.333, -2.245, 4.339, 2.727 }).Name("World");
        })
        .CategoryAxis(axis => axis
            .Name("series-axis")
            .Line(line => line.Visible(false))
        )
        .CategoryAxis(axis => axis
            .Name("label-axis")
            .Categories("2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "2010", "2011")
        )
    )

4. Add a ValueAxis to the Chart

The ValueAxis configuration method specifies the value axis configuration options.

@using Kendo.Mvc.UI

@(Html.Kendo().Chart()
        .Name("chart")
        .Series(series =>
        {
            series.Column(new double[] { 3.907, 7.943, 7.848, 9.284, 9.263, 9.801, 3.890, 8.238, 9.552, 6.855 }).Name("India");
            series.Column(new double[] { 4.743, 7.295, 7.175, 6.376, 8.153, 8.535, 5.247, -7.832, 4.3, 4.3 }).Name("Russian Federation");
            series.Column(new double[] { 0.010, -0.375, 1.161, 0.684, 3.7, 3.269, 1.083, -5.127, 3.690, 2.995 }).Name("Germany");
            series.Column(new double[] { 1.988, 2.733, 3.994, 3.464, 4.001, 3.939, 1.333, -2.245, 4.339, 2.727 }).Name("World");
        })
        .CategoryAxis(axis => axis
            .Name("series-axis")
            .Line(line => line.Visible(false))
        )
        .CategoryAxis(axis => axis
            .Name("label-axis")
            .Categories("2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "2010", "2011")
        )
        .ValueAxis(axis => axis
            .Numeric()
                .Labels(labels => labels.Format("{0}%"))

                // Move the label-axis all the way down the value axis
                .AxisCrossingValue(0, int.MinValue)
        )
    )

5. Handle the Bar Chart Events

The Bar Chart exposes various events that you can handle and further customize the functionality of the component. In this tutorial, you will use the SeriesHover, Close, and Zoom events of the Bar Chart to log a message in the Browser's console.

@using Kendo.Mvc.UI

    @(Html.Kendo().Chart()
        .Name("chart")
        .Series(series =>
        {
            series.Column(new double[] { 3.907, 7.943, 7.848, 9.284, 9.263, 9.801, 3.890, 8.238, 9.552, 6.855 }).Name("India");
            series.Column(new double[] { 4.743, 7.295, 7.175, 6.376, 8.153, 8.535, 5.247, -7.832, 4.3, 4.3 }).Name("Russian Federation");
            series.Column(new double[] { 0.010, -0.375, 1.161, 0.684, 3.7, 3.269, 1.083, -5.127, 3.690, 2.995 }).Name("Germany");
            series.Column(new double[] { 1.988, 2.733, 3.994, 3.464, 4.001, 3.939, 1.333, -2.245, 4.339, 2.727 }).Name("World");
        })
        .CategoryAxis(axis => axis
            .Name("series-axis")
            .Line(line => line.Visible(false))
        )
        .CategoryAxis(axis => axis
            .Name("label-axis")
            .Categories("2002", "2003", "2004", "2005", "2006", "2007", "2008", "2009", "2010", "2011")
        )
        .ValueAxis(axis => axis
            .Numeric()
                .Labels(labels => labels.Format("{0}%"))

                // Move the label-axis all the way down the value axis
                .AxisCrossingValue(0, int.MinValue)
        )
        .Events(e => e
            .SeriesHover("onSeriesHover")
            .Render("onRender")
            .Zoom("onZoom")
        )
    )  

<script>
    function onSeriesHover(e) {
        console.log(e.value);
    }

    function onRender(e) {
        console.log("render");
    }

    function onZoom() {
        console.log("zoom");
    }
</script>

For more examples, refer to the documentation of the Bar Chart client API Events.

6. (Optional) Reference Existing Bar Chart Instances

To use the client-side API of the Bar Chart and build on top of its initial configuration, you need a reference to the Bar Chart instance. Once you get a valid reference, you can call the respective API methods:

  1. Use the .Name() (id attribute) of the component instance to get a reference.

        <script>
        var chartReference = $("#chart").data("kendoChart"); // chartReference is a reference to the existing instance of the helper.
    </script>

  2. Use the client-side API of the Bar Chart to control the behavior of the widget. In this example, you will use the redraw method to disable the Bar Chart.

        <script>
        $(document).ready(function () {
            var chart= $("#chart").data("kendoChart");

            chart.redraw();
        })
    </script>

For more information on referencing specific helper instances, see the Methods and Events article.

Next Steps

See Also

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