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Legend in Blazor Accumulation Chart component
08 Apr 2021 / 2 minutes to read
As like a chart, the legend is also available for accumulation charts, which gives information about the points. By default, the legend will be placed on the right, if the width of the chart is high or will be placed on the bottom, if the height of the chart is high. Here, the legend for a point can be collapsed by giving the empty string to the x value of the point.
default.razor
@using Syncfusion.Blazor.Charts
<SfAccumulationChart Title="Mobile Browser Statistics">
<AccumulationChartSeriesCollection>
<AccumulationChartSeries DataSource="@StatisticsDetails" XName="Browser" YName="Users"
Name="Browser">
</AccumulationChartSeries>
</AccumulationChartSeriesCollection>
<AccumulationChartLegendSettings Visible="true"></AccumulationChartLegendSettings>
</SfAccumulationChart>
@code{
public class Statistics
{
public string Browser { get; set; }
public double Users { get; set; }
}
public List<Statistics> StatisticsDetails = new List<Statistics>
{
new Statistics { Browser = "Chrome", Users = 37 },
new Statistics { Browser = "UC Browser", Users = 17 },
new Statistics { Browser = "iPhone", Users = 19 },
new Statistics { Browser = "Others", Users = 4 },
new Statistics { Browser = "Opera", Users = 11 },
new Statistics { Browser = "Android", Users = 12 },
};
}
Position and Alignment
By using the Position property, you can position the legend at the Left, Right, Top or Bottom of the chart.
You can also align the legend to Center, Far or Near to the chart using the Alignment property.
position.razor
@using Syncfusion.Blazor.Charts
<SfAccumulationChart Title="Mobile Browser Statistics">
<AccumulationChartSeriesCollection>
<AccumulationChartSeries DataSource="@StatisticsDetails" XName="Browser" YName="Users"
Name="Browser">
</AccumulationChartSeries>
</AccumulationChartSeriesCollection>
<AccumulationChartLegendSettings Visible="true" Position="LegendPosition.Top"></AccumulationChartLegendSettings>
</SfAccumulationChart>
@code{
public class Statistics
{
public string Browser { get; set; }
public double Users { get; set; }
}
public List<Statistics> StatisticsDetails = new List<Statistics>
{
new Statistics { Browser = "Chrome", Users = 37 },
new Statistics { Browser = "UC Browser", Users = 17 },
new Statistics { Browser = "iPhone", Users = 19 },
new Statistics { Browser = "Others", Users = 4 },
new Statistics { Browser = "Opera", Users = 11 },
new Statistics { Browser = "Android", Users = 12 },
};
}
Legend Shape
To change the legend icon, use the LegendShape property in the Series. By default, legend icon is SeriesType.
legend-shape.razor
@using Syncfusion.Blazor.Charts
<SfAccumulationChart Title="Mobile Browser Statistics">
<AccumulationChartSeriesCollection>
<AccumulationChartSeries LegendShape="LegendShape.Rectangle" DataSource="@StatisticsDetails" XName="Browser" YName="Users"
Name="Browser">
</AccumulationChartSeries>
</AccumulationChartSeriesCollection>
<AccumulationChartLegendSettings Visible="true"></AccumulationChartLegendSettings>
</SfAccumulationChart>
@code{
public class Statistics
{
public string Browser { get; set; }
public double Users { get; set; }
}
public List<Statistics> StatisticsDetails = new List<Statistics>
{
new Statistics { Browser = "Chrome", Users = 37 },
new Statistics { Browser = "UC Browser", Users = 17 },
new Statistics { Browser = "iPhone", Users = 19 },
new Statistics { Browser = "Others", Users = 4 },
new Statistics { Browser = "Opera", Users = 11 },
new Statistics { Browser = "Android", Users = 12 },
};
}
Legend Size
The legend size can be changed by using the Width and Height properties of the LegendSettings.
size.razor
@using Syncfusion.Blazor.Charts
<SfAccumulationChart Title="Mobile Browser Statistics">
<AccumulationChartSeriesCollection>
<AccumulationChartSeries DataSource="@StatisticsDetails" XName="Browser" YName="Users"
Name="Browser">
</AccumulationChartSeries>
</AccumulationChartSeriesCollection>
<AccumulationChartLegendSettings Visible="true" Height="28%" Width="44%">
<AccumulationChartLegendBorder Color="Pink" Width="1"></AccumulationChartLegendBorder>
</AccumulationChartLegendSettings>
</SfAccumulationChart>
@code{
public class Statistics
{
public string Browser { get; set; }
public double Users { get; set; }
}
public List<Statistics> StatisticsDetails = new List<Statistics>
{
new Statistics { Browser = "Chrome", Users = 37 },
new Statistics { Browser = "UC Browser", Users = 17 },
new Statistics { Browser = "iPhone", Users = 19 },
new Statistics { Browser = "Others", Users = 4 },
new Statistics { Browser = "Opera", Users = 11 },
new Statistics { Browser = "Android", Users = 12 },
};
}
Legend Item Size
You can customize the size of the legend items by using the ShapeHeight and ShapeWidth properties.
item-size.razor
@using Syncfusion.Blazor.Charts
<SfAccumulationChart Title="Mobile Browser Statistics">
<AccumulationChartSeriesCollection>
<AccumulationChartSeries DataSource="@StatisticsDetails" XName="Browser" YName="Users"
Name="Browser">
</AccumulationChartSeries>
</AccumulationChartSeriesCollection>
<AccumulationChartLegendSettings Visible="true" ShapeHeight="15" ShapeWidth="15">
</AccumulationChartLegendSettings>
</SfAccumulationChart>
@code{
public class Statistics
{
public string Browser { get; set; }
public double Users { get; set; }
}
public List<Statistics> StatisticsDetails = new List<Statistics>
{
new Statistics { Browser = "Chrome", Users = 37 },
new Statistics { Browser = "UC Browser", Users = 17 },
new Statistics { Browser = "iPhone", Users = 19 },
new Statistics { Browser = "Others", Users = 4 },
new Statistics { Browser = "Opera", Users = 11 },
new Statistics { Browser = "Android", Users = 12 },
};
}
Paging for Legend
Paging will be enabled by default, when the legend items exceeds the legend bounds. You can view the each legend item by navigating through the pages.
paging.razor
@using Syncfusion.Blazor.Charts
<SfAccumulationChart Title="Mobile Browser Statistics">
<AccumulationChartSeriesCollection>
<AccumulationChartSeries DataSource="@StatisticsDetails" XName="Browser" YName="Users"
Name="Browser">
</AccumulationChartSeries>
</AccumulationChartSeriesCollection>
<AccumulationChartLegendSettings Visible="true" Height="150" Width="80">
</AccumulationChartLegendSettings>
</SfAccumulationChart>
@code{
public class Statistics
{
public string Browser{ get; set; }
public double Users { get; set; }
}
public List<Statistics> StatisticsDetails = new List<Statistics>
{
new Statistics { Browser = "Chrome", Users = 37 },
new Statistics { Browser = "UC Browser", Users = 17 },
new Statistics { Browser = "iPhone", Users = 19 },
new Statistics { Browser = "Others", Users = 4 },
new Statistics { Browser = "Opera", Users = 11 },
new Statistics { Browser = "Android", Users = 12 },
};
}
Thank you for your feedback and comments.We will rectify this as soon as possible!