Getting Started with Blazor ContextMenu Component in Web App
10 Dec 20244 minutes to read
This section briefly explains about how to include Blazor ContextMenu component in your Blazor Web App using Visual Studio.
Prerequisites
Create a new Blazor Web App
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You can create a Blazor Web App using Visual Studio 2022 via Microsoft Templates or the Syncfusion Blazor Extension.
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You can create a Blazor Web App using Visual Studio 2022 via Microsoft Templates or the Syncfusion® Blazor Extension.
remotes/origin/hotfix/hotfix-v27.2.2
You need to configure the corresponding Interactive render mode and Interactivity location while creating a Blazor Web Application.
Install Syncfusion® Blazor Navigations and Themes NuGet in the Blazor Web App
To add Blazor ContextMenu component in the app, open the NuGet package manager in Visual Studio (Tools → NuGet Package Manager → Manage NuGet Packages for Solution), search and install Syncfusion.Blazor.Navigations and Syncfusion.Blazor.Themes.
If you utilize WebAssembly or Auto
render modes in the Blazor Web App need to be install Syncfusion® Blazor components NuGet packages within the client project.
Alternatively, you can utilize the following package manager command to achieve the same.
Install-Package Syncfusion.Blazor.Navigations -Version 28.1.33
Install-Package Syncfusion.Blazor.Themes -Version 28.1.33
NOTE
Syncfusion® Blazor components are available in nuget.org. Refer to NuGet packages topic for available NuGet packages list with component details.
Register Syncfusion® Blazor Service
Open ~/_Imports.razor file and import the Syncfusion.Blazor
and Syncfusion.Blazor.Navigations
namespace.
@using Syncfusion.Blazor
@using Syncfusion.Blazor.Navigations
Now, register the Syncfusion® Blazor Service in the ~/Program.cs file of your Blazor Web App. For a app with WebAssembly
or Auto (Server and WebAssembly)
interactive render mode, register the Syncfusion® Blazor service in both ~/Program.cs files of your 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 reference in the <head>
section and the script reference at the end of the <body>
in the ~/Components/App.razor file as shown below:
<head>
....
<link href="_content/Syncfusion.Blazor.Themes/bootstrap5.css" rel="stylesheet" />
</head>
....
<body>
....
<script src="_content/Syncfusion.Blazor.Core/scripts/syncfusion-blazor.min.js" type="text/javascript"></script>
</body>
NOTE
Check out the Blazor Themes topic to discover various methods (Static Web Assets, CDN, and CRG) for referencing themes in your Blazor application. Also, check out the Adding Script Reference topic to learn different approaches for adding script references in your Blazor application.
Add Syncfusion® Blazor ContextMenu component
Add the Syncfusion® Blazor ContextMenu component in .razor
file inside the Pages
folder. If an interactivity location as Per page/component
in the web app, define a render mode at top of the component, as follows:
@* desired render mode define here *@
@rendermode InteractiveAuto
<div id="target">Right click/Touch hold to open the ContextMenu </div>
<SfContextMenu Target="#target" TValue="MenuItem">
<MenuItems>
<MenuItem Text="Cut"></MenuItem>
<MenuItem Text="Copy"></MenuItem>
<MenuItem Text="Paste"></MenuItem>
</MenuItems>
</SfContextMenu>
<style>
#target {
border: 1px dashed;
height: 150px;
padding: 10px;
position: relative;
text-align: justify;
color: gray;
user-select: none;
}
</style>
- Press Ctrl+F5 (Windows) or ⌘+F5 (macOS) to launch the application. This will render the Syncfusion® Blazor ContextMenu component in your default web browser.
NOTE