Line in Blazor Chart component

28 Jul 2021 / 2 minutes to read

Line

Line Chart represents and visualizes the time-dependent data to show the trends at equal intervals. It can be rendered by specifying the series Type to Line.

line.razor

@using Syncfusion.Blazor.Charts

<SfChart Title="Olympic Medals">
    <ChartPrimaryXAxis ValueType="Syncfusion.Blazor.Charts.ValueType.Category"></ChartPrimaryXAxis>
    <ChartSeriesCollection>
        <ChartSeries DataSource="@MedalDetails" XName="X" YName="Y" Type="ChartSeriesType.Line">
        </ChartSeries>
    </ChartSeriesCollection>
</SfChart>

@code{
    public class ChartData
    {
        public string X { get; set;}
        public double Y {get; set;}
    }
    public List<ChartData> MedalDetails = new List<ChartData>
{
        new ChartData { X= "South Korea", Y= 39.4 },
        new ChartData { X= "India", Y= 61.3 },
        new ChartData { X= "Pakistan", Y= 20.4 },
        new ChartData { X= "Germany", Y= 65.1 },
        new ChartData { X= "Australia", Y= 15.8 },
        new ChartData { X= "Italy", Y= 29.2 },
        new ChartData { X= "United Kingdom", Y= 44.6 },
        new ChartData { X= "Saudi Arabia", Y= 9.7 },
        new ChartData { X= "Russia", Y= 40.8 },
        new ChartData { X= "Mexico", Y= 31 },
        new ChartData { X= "Brazil", Y= 75.9 },
        new ChartData { X= "China", Y= 51.4 }
    };
}

Line Charts

Refer to our Blazor Line Chart feature tour page to know about its other groundbreaking feature representations. Explore our Blazor Line Chart Example to know how to represent time-dependent data, showing trends at equal intervals.

Multicolored Line

To render a multicolored area series, by specifying the Type property as MultiColoredArea in ChartSeries. Here, the individual colors of the segment can be mapped by using PointColorMapping property in ChartSeries.

multi-line.razor

@using Syncfusion.Blazor.Charts

<SfChart Title="Olympic Medals">
    <ChartPrimaryXAxis ValueType="Syncfusion.Blazor.Charts.ValueType.Category"></ChartPrimaryXAxis>
    <ChartSeriesCollection>
        <ChartSeries DataSource="@MedalDetails" XName="X" YName="Y" PointColorMapping="Color" Type="ChartSeriesType.MultiColoredLine">
        </ChartSeries>
    </ChartSeriesCollection>
</SfChart>

@code{
    public class ChartData
    {
        public string X { get; set; }
        public double Y { get; set; }
        public string Color { get; set; }
    }
    public List<ChartData> MedalDetails = new List<ChartData>
{
        new ChartData { X= "South Korea", Y= 39.4, Color="red" },
        new ChartData { X= "India", Y= 61.3, Color="green" },
        new ChartData { X= "Pakistan", Y= 20.4, Color="#ff0097" },
        new ChartData { X= "Germany", Y= 65.1, Color="crimson" },
        new ChartData { X= "Australia", Y= 15.8, Color="blue" },
        new ChartData { X= "Italy", Y= 29.2, Color="darkorange" },
    };
}

Multicolored Line Chart

Series Customization

The following properties can be used to customize the Line series.

Fill – Specifies the color of the series.
Opacity – Specifies the opacity of Fill.
DashArray – Specifies the dashes for series.
Width – Specifies the width for series.

custom-line.razor

@using Syncfusion.Blazor.Charts

<SfChart Title="Olympic Medals">
    <ChartPrimaryXAxis ValueType="Syncfusion.Blazor.Charts.ValueType.Category"></ChartPrimaryXAxis>
    <ChartSeriesCollection>
        <ChartSeries DataSource="@MedalDetails" XName="X" YName="Y" Width="3" Opacity="0.5"
                     DashArray="5,5" Fill="blue" Type="ChartSeriesType.Line">
        </ChartSeries>
    </ChartSeriesCollection>
</SfChart>

@code{
    public class ChartData
    {
        public string X { get; set; }
        public double Y { get; set; }
    }
    public List<ChartData> MedalDetails = new List<ChartData>
{
        new ChartData { X= "South Korea", Y= 39.4 },
        new ChartData { X= "India", Y= 61.3 },
        new ChartData { X= "Pakistan", Y= 20.4 },
        new ChartData { X= "Germany", Y= 65.1 },
        new ChartData { X= "Australia", Y= 15.8 },
        new ChartData { X= "Italy", Y= 29.2 },
        new ChartData { X= "United Kingdom", Y= 44.6 },
        new ChartData { X= "Saudi Arabia", Y= 9.7 },
        new ChartData { X= "Russia", Y= 40.8 },
        new ChartData { X= "Mexico", Y= 31 },
        new ChartData { X= "Brazil", Y= 75.9 },
        new ChartData { X= "China", Y= 51.4 }
    };
}

Line Chart with Series Customization

Refer to our Blazor Charts feature tour page for its groundbreaking feature representations and also explore our Blazor Chart example to know various chart types and how to represent time-dependent data, showing trends at equal intervals.

Line in Blazor Chart component

Line

Multicolored Line

Series Customization

See Also