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Getting Started with Blazor Chart Component in Blazor Server App

18 May 20267 minutes to read

This section briefly explains about how to include Syncfusion® Blazor Charts component in your Blazor Server App using Visual Studio, Visual Studio Code, and the .NET CLI.

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Prerequisites

Create a new Blazor App in Visual Studio

Create a Blazor Server App by using the Blazor Web App template in Visual Studio via Microsoft Templates or the Syncfusion® Blazor Extension. For detailed instructions, refer to the Blazor Server App Getting Started documentation.

Prerequisites

Create a new Blazor App in Visual Studio Code

Create a Blazor Server App using Visual Studio Code via Microsoft Templates or the Syncfusion® Blazor Extension. For detailed instructions, refer to the Blazor Server App Getting Started documentation.

Alternatively, create a Server application by using the following command in the integrated terminal (Ctrl+`).

dotnet new blazor -o BlazorApp -int Server
cd BlazorApp

Prerequisites

Install the latest version of .NET SDK. If the .NET SDK is already installed, determine the installed version by running the following command in a command prompt (Windows), terminal (macOS), or command shell (Linux).

dotnet --version

Create a Blazor Server App using .NET CLI

Run the following command to create a new Blazor Server App in a command prompt (Windows) or terminal (macOS) or command shell (Linux). For detailed instructions, refer to the Blazor Server App Getting Started documentation.

dotnet new blazor -o BlazorApp -int Server
cd BlazorApp

NOTE

Configure the appropriate Interactive render mode and Interactivity location while creating a Blazor Server App. For detailed information, refer to the interactive render mode documentation.

Install Syncfusion® Blazor packages

Install Syncfusion.Blazor.Charts NuGet package in your project using the NuGet Package Manager in Visual Studio (Tools → NuGet Package Manager → Manage NuGet Packages for Solution), or the integrated terminal in Visual Studio Code (dotnet add package), or the .NET CLI.

Alternatively, run the following command in the Package Manager Console to achieve the same.

Install-Package Syncfusion.Blazor.Charts -Version 33.2.3

NOTE

All Syncfusion Blazor packages are available on nuget.org. See the NuGet packages topic for details.

Add import namespaces

After the package is installed, open the ~/_Imports.razor file and import the Syncfusion.Blazor and Syncfusion.Blazor.Charts namespaces.

@using Syncfusion.Blazor
@using Syncfusion.Blazor.Charts

Register Syncfusion® Blazor service

Register the Syncfusion® Blazor service in the Program.cs file of your Blazor Server App.

....
using Syncfusion.Blazor;
....
builder.Services.AddSyncfusionBlazor();
....

Add script resources

The script can be accessed from NuGet through Static Web Assets. Include the script reference in the App.razor file.

<script src="_content/Syncfusion.Blazor.Core/scripts/syncfusion-blazor.min.js" type="text/javascript"></script>

NOTE

Check out the Adding Script Reference topic to learn different approaches for adding script references in the Blazor application.

Add Blazor Chart component

Add the Syncfusion® Blazor Chart component in the ~/Components/Pages/Home.razor file. If the interactivity location is set to Per page/component, define a render mode at the top of the ~Pages/Home.razor file.

NOTE

If the Interactivity Location is set to Global, the render mode is automatically configured in the App.razor file by default.

@* desired render mode define here *@
@rendermode InteractiveServer
<!-- SfChart is the root container component for the chart -->
<SfChart>

</SfChart>
  • Press Ctrl+F5 (Windows) or ⌘+F5 (macOS) to launch the application. This will render the Syncfusion® Blazor Chart component in the default web browser.
Blazor Chart Component

Populate Blazor chart with data

To bind data for the chart component, you can assign an IEnumerable object to the DataSource property. It can also be provided as an instance of the DataManager.

Map the data fields Month and SalesValue to the series XName and YName properties, then set the data to the DataSource property, and the chart type to Column because we will be viewing the data in a column chart.

<SfChart>
    <!-- ChartPrimaryXAxis configures the X-axis properties such as value type and labels -->
    <ChartPrimaryXAxis ValueType="Syncfusion.Blazor.Charts.ValueType.Category"></ChartPrimaryXAxis>
    <!-- ChartSeriesCollection contains one or more data series to be plotted on the chart -->
    <ChartSeriesCollection>
        <!-- ChartSeries defines a data series with its data source and axis mappings -->
        <ChartSeries DataSource="@Sales" XName="Month" YName="SalesValue" Type="ChartSeriesType.Column">
        </ChartSeries>
    </ChartSeriesCollection>
</SfChart>

@code {
    public class SalesInfo
    {
        public string Month { get; set;}
        public double SalesValue { get; set;}
    }

    public List<SalesInfo> Sales = new List<SalesInfo>
    {
        new SalesInfo { Month = "Jan", SalesValue = 35 },
        new SalesInfo { Month = "Feb", SalesValue = 28 },
        new SalesInfo { Month = "Mar", SalesValue = 34 },
        new SalesInfo { Month = "Apr", SalesValue = 32 },
        new SalesInfo { Month = "May", SalesValue = 40 },
        new SalesInfo { Month = "Jun", SalesValue = 32 },
        new SalesInfo { Month = "Jul", SalesValue = 35 }
    };
}
Blazor Column Chart

NOTE

View Sample in GitHub.

See also