Getting Started with Blazor Range Selector in Blazor Web App

13 Jul 20267 minutes to read

This section briefly explains how to include the Blazor Range Selector (RangeNavigator) component in your Blazor Web App using Visual Studio, Visual Studio Code, and the .NET CLI.

Create a new Blazor Web App

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

Run the following command to create a new Blazor Web App.

dotnet new blazor -o BlazorWebApp --interactivity Auto
cd BlazorWebApp
cd BlazorWebApp.Client

Alternatively, create a Blazor Web App using Visual Studio Code via Microsoft Templates, the Blazor Extension, or the C# Dev Kit extension.

Run the following command to create a new Blazor Web App.

dotnet new blazor -o BlazorWebApp --interactivity Auto
cd BlazorWebApp
cd BlazorWebApp.Client

NOTE

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

Install the required Blazor packages

Install Syncfusion.Blazor.RangeNavigator and Syncfusion.Blazor.Themes NuGet packages. All Syncfusion Blazor packages are available on nuget.org. See the NuGet packages topic for details. If using the WebAssembly or Auto render modes in the Blazor Web App, install these packages in the .Client project.

  1. Go to Tools → NuGet Package Manager → Manage NuGet Packages for Solution.
  2. Search the required NuGet packages (Syncfusion.Blazor.RangeNavigator and Syncfusion.Blazor.Themes) and install them.

Alternatively, you can install the same packages using the Package Manager Console with the following commands.

Install-Package Syncfusion.Blazor.RangeNavigator -Version 34.1.29
Install-Package Syncfusion.Blazor.Themes -Version 34.1.29

Open the terminal and run the following commands.

dotnet add package Syncfusion.Blazor.RangeNavigator -v 34.1.29
dotnet add package Syncfusion.Blazor.Themes -v 34.1.29

Open the command prompt and run the following commands.

dotnet add package Syncfusion.Blazor.RangeNavigator -v 34.1.29
dotnet add package Syncfusion.Blazor.Themes -v 34.1.29

Add import namespaces

After the packages are installed, open the ~/_Imports.razor file in the .Client project and import the Syncfusion.Blazor and Syncfusion.Blazor.Charts namespaces.

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

Register the Blazor service

Open the Program.cs file in Blazor Web App and register the Blazor service. If the Interactive Render Mode is set to WebAssembly or Auto, register the Blazor service in Program.cs files of both the server and client projects in your Blazor Web App.

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

Add stylesheet and script resources

The theme stylesheet and script can be accessed from NuGet through Static Web Assets. Include the stylesheet and script references in the ~/Components/App.razor file.

...
<link href="_content/Syncfusion.Blazor.Themes/fluent2.css" rel="stylesheet" />
...
<script src="_content/Syncfusion.Blazor.Core/scripts/syncfusion-blazor.min.js" type="text/javascript"></script>

Add Blazor Range Selector component

Open a Razor file located in the ~/Pages/*.razor (for example, Home.razor) and add the Blazor Range Selector component inside the .Client project razor file.

NOTE

If the interactivity location is set to Per page/component in the Web App, define a render mode at the top of the razor file. (For example, InteractiveServer, InteractiveWebAssembly or InteractiveAuto). If the Interactivity is set to Global with Auto or WebAssembly, the render mode is automatically configured in the App.razor file by default.

@rendermode InteractiveAuto

<SfRangeNavigator>

</SfRangeNavigator>

Populate Blazor Range Navigator with Data

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

@code {
    public class StockPrice
    {
        public DateTime Date { get; set; }
        public double Close { get; set; }
    }

    public List<StockPrice> StockDetails = new List<StockPrice>
    {
        new StockPrice { Date = new DateTime(2005, 01, 01), Close = 21 },
        new StockPrice { Date = new DateTime(2006, 01, 01), Close = 24 },
        new StockPrice { Date = new DateTime(2007, 01, 01), Close = 36 },
        new StockPrice { Date = new DateTime(2008, 01, 01), Close = 38 },
        new StockPrice { Date = new DateTime(2009, 01, 01), Close = 54 },
        new StockPrice { Date = new DateTime(2010, 01, 01), Close = 57 },
        new StockPrice { Date = new DateTime(2011, 01, 01), Close = 62 }
    };
}

Now map Date and Close fields from the data source to XName and YName properties of the RangeNavigatorSeries and then set the StockDetails to DataSource property.

<SfRangeNavigator ValueType="RangeValueType.DateTime" IntervalType="RangeIntervalType.Years" LabelFormat="yyyy">
    <RangeNavigatorSeriesCollection>
        <RangeNavigatorSeries DataSource="@StockDetails" XName="Date" Type="RangeNavigatorType.Area" YName="Close"></RangeNavigatorSeries>
    </RangeNavigatorSeriesCollection>
</SfRangeNavigator>

Run the application

Press Ctrl+F5 (Windows) or ⌘+F5 (macOS) to launch the application. The Blazor Range Selector component will render in your default web browser.

Open the terminal and navigate to the main project folder (for example, BlazorWebApp) and run the following command.

cd ..
cd BlazorWebApp
dotnet run

Open the command prompt and navigate to the main project folder (for example, BlazorWebApp) and run the following command.

cd ..
cd BlazorWebApp
dotnet run
Blazor RangeNavigator Component

NOTE

View Sample in GitHub.

See also

  1. Getting Started with Blazor WebAssembly App
  2. Getting Started with Blazor for Server-Side in Visual Studio
  3. Getting Started with Blazor Web App