page_type	languages	products	description	urlFragment
sample	csharp	aspnet azure-event-grid	A modern Blazor application for viewing Azure EventGrid messages in real-time using ASP.NET Core Blazor and SignalR.	eventgrid-viewer-blazor

🌐 EventGrid Viewer Blazor

A modern, real-time Azure EventGrid message viewer built with ASP.NET Core Blazor and SignalR

📋 Table of Contents

• ✨ Features
• 🚀 Quick Start
• 🔧 Prerequisites
• 📦 Deployment
• 📸 Screenshots
• 🎯 Usage
• 🔒 Security
• 🤝 Contributing

✨ Features

Building upon the ideas of azure-event-grid-viewer, this Blazor application offers:

• ✅ Real-time Event Viewing - View Azure EventGrid messages as they arrive
• ✅ JSON Formatting - Beautifully formatted and syntax-highlighted JSON
• ✅ Copy to Clipboard - One-click copying of event data
• ✅ Modern UI - Clean, responsive Blazor interface
• ✅ SignalR Integration - Real-time updates without page refresh
• 🔄 Entra ID Authentication - Coming Soon

🚀 Quick Start

Get up and running in under 2 minutes:

# 1️⃣ Clone the repository
git clone https://github.com/Azure-Samples/eventgrid-viewer-blazor.git
cd eventgrid-viewer-blazor

# 2️⃣ Deploy to Azure (one command!)
azd auth login
azd up

🎉 That's it! Your EventGrid viewer will be deployed and ready to use.

🔧 Prerequisites

Before you begin, ensure you have:

• Azure Subscription - Get a free account
• Azure Developer CLI - Install azd
• .NET 9.0 SDK - Download here (for local development)
• Modern Browser - Chrome, Firefox, Safari, or Edge

📦 Deployment

🌟 Option 1: Azure Developer CLI (Recommended)

The fastest way to deploy with full Azure resource provisioning:

# Install azd if you haven't already
winget install microsoft.azd     # Windows
brew tap azure/azd && brew install azd  # macOS
curl -fsSL https://aka.ms/install-azd.sh | bash  # Linux

# Clone and deploy
git clone https://github.com/Azure-Samples/eventgrid-viewer-blazor.git
cd eventgrid-viewer-blazor
azd auth login
azd up

📖 For detailed azd instructions, environment configuration, and troubleshooting, see README-azd.md.

🔗 Option 2: Deploy to Azure Button

Quick deployment using ARM template:

Steps:

1. ✅ Create or select a Resource Group
2. ✅ Enter a unique Site Name
3. ✅ Enter a Hosting Plan Name
4. ✅ Click Review + Create to deploy

📸 Screenshots

🎯 Usage

Setting up EventGrid Subscription

Once deployed, use your webhook endpoint to subscribe to EventGrid events:

https://{{your-site-name}}.azurewebsites.net/api/eventgrid

📚 Learn more: Subscribe to EventGrid events

Local Development

🔧 Click to expand local development setup

# Clone the repository
git clone https://github.com/Azure-Samples/eventgrid-viewer-blazor.git
cd eventgrid-viewer-blazor

# Restore packages
dotnet restore src/Blazor.EventGridViewer.sln

# Run the application
dotnet run --project src/Blazor.EventGridViewer.ServerApp

# Open browser to
# https://localhost:5001 (or the URL shown in terminal)

🔒 Security

⚠️ Important: This application currently runs without authentication. For production use with sensitive data, consider implementing authentication controls.

Planned Security Features:

• 🔄 Entra ID authentication integration
• 🔄 Azure Key Vault for secrets management
• 🔄 Managed Identity support

🤝 Contributing

We welcome contributions! Here's how you can help:

• 🐛 Report bugs - Open an issue
• 💡 Suggest features - Start a discussion
• 🔧 Submit PRs - Fork, create feature branch, submit pull request

Development Stack

• Frontend: Blazor Server (.NET 9.0)
• Real-time: SignalR
• Hosting: Azure App Service
• Monitoring: Application Insights

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⭐ If this project helped you, please give it a star!

Made with ❤️ by the Azure Samples team