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Getting started with Blazor RadioButton component

This section briefly explains about how to include Radio Button Component in your Blazor server-side application. You can refer Getting Started with Syncfusion Blazor for Server-side in Visual Studio 2019 page page for the introduction and configuring the common specifications.

To get start quickly with Radio Button Component using Blazor, you can check on this video:

Importing Syncfusion Blazor component in the application

  1. Install the Syncfusion.Blazor NuGet package to the application by using the NuGet Package Manager.
  2. You can add the client-side style resources through CDN or from NuGet package in the <head> element of the ~/Pages/_Host.chtml page.

Please ensure to check the Include prerelease option.

<head>
        <link href="_content/Syncfusion.Blazor/styles/bootstrap4.css" rel="stylesheet" />
        @*<link href="https://cdn.syncfusion.com/blazor/18.3.35/styles/bootstrap4.css" rel="stylesheet" />*@
</head>

For Internet Explorer 11 kindly refer the polyfills. Refer the documentation for more information.

<head>
        <link href="_content/Syncfusion.Blazor/styles/bootstrap4.css" rel="stylesheet" />
        <script src="https://github.com/Daddoon/Blazor.Polyfill/releases/download/3.0.1/blazor.polyfill.min.js"></script>
</head>

Adding component package to the application

Open /_Imports.razor file and import the Syncfusion.Blazor.Buttons package.

@using Syncfusion.Blazor.Buttons

Add SyncfusionBlazor service in Startup.cs

Open the Startup.cs file and add services required by Syncfusion components. Add services.AddSyncfusionBlazor() method in the ConfigureServices function as follows.

namespace BlazorApplication
{
    public class Startup
    {
        ....
        ....
        public void ConfigureServices(IServiceCollection services)
        {
            ....
            ....
            services.AddSyncfusionBlazor();
        }
    }
}

To enable custom client side resource loading from CRG or CDN. You need to disable resource loading by AddSyncfusionBlazor(true) and load the scripts in the HEAD element of the ~/Pages/_Host.cshtml page.

<head>
    <environment include="Development">
        <script src="https://cdn.syncfusion.com/blazor/18.3.35/syncfusion-blazor.min.js">
        </script>
    </environment>
</head>

Adding Radio Button component to the application

Now, add the Syncfusion Blazor Radio Button component in razor page in the Pages folder. For example, the Radio Button component is added in the ~/Pages/Index.razor page.

<SfRadioButton Label="Option 1" Name="options" Value="card" @bind-Checked="stringChecked"></SfRadioButton>
<SfRadioButton Label="Option 2" Name="options" Value="cash" @bind-Checked="stringChecked"></SfRadioButton>

@code {
    private string stringChecked = "cash";
}

Run the application

After successful compilation of your application, simply press F5 to run the application. The Blazor Radio Button component will render in the web browser as shown below

RadioButton Sample

See Also