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Azure Application Insights customEvents and .NET 6

Getting customEvents with Azure Application Insights customEvents and .NET 6

dotnet new mvc -o videowebapp
cd videowebapp
dotnet add package Microsoft.ApplicationInsights.AspNetCore

Program.cs: Adding builder.Services.AddApplicationInsightsTelemetry();

var builder = WebApplication.CreateBuilder(args);

// Add services to the container.
IServiceCollection serviceCollection = builder.Services.AddApplicationInsightsTelemetry();
builder.Services.AddControllersWithViews();

var app = builder.Build();

// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
    app.UseExceptionHandler("/Home/Error");
    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
    app.UseHsts();
}

app.UseHttpsRedirection();
app.UseStaticFiles();

app.UseRouting();

app.UseAuthorization();

app.MapControllerRoute(
    name: "default",
    pattern: "{controller=Home}/{action=Index}/{id?}");

app.Run();

Getting InstrumentationKey

az resource show \
    --resource-group <resource_group_name> \
    --name <resource_name> \
    --resource-type "Microsoft.Insights/components" \
    --query properties.InstrumentationKey

appsettings.json : adding InstrumentationKey

{
  "Logging": {
    "LogLevel": {
      "Default": "Information",
      "Microsoft.AspNetCore": "Warning"
    }
  },
  "AllowedHosts": "*",
  "ApplicationInsights": {
    "InstrumentationKey": "0000000000000000000000000000000",
    "LogLevel": {
      "Default": "Information",
      "Microsoft": "Error"
    }
  }
}

HomeController.cs : Adding ” this.aiClient.TrackEvent(“CommentSubmitted”); ” 

using System.Diagnostics;
using Microsoft.AspNetCore.Mvc;
using videowebapp.Models;
using Microsoft.ApplicationInsights;

namespace videowebapp.Controllers;

public class HomeController : Controller
{
    private TelemetryClient aiClient;
 //   private readonly ILogger<HomeController> _logger;

public HomeController(TelemetryClient aiClient)
{
    this.aiClient = aiClient;
}
/*    public HomeController(ILogger<HomeController> logger)
    {
        _logger = logger;
    }
*/
    public IActionResult Index()
    {
       // _logger.LogWarning("fujuTE: An example of a Warning trace..");
       // _logger.LogError("fujuTE: An example of an Error level message");
        return View();
    }

    public IActionResult Privacy()
    { 
        // _logger.LogInformation("fujuTE: An example of a Information trace..");
        // Track an event
        this.aiClient.TrackEvent("CommentSubmitted");

        // Track an event with properties
        this.aiClient.TrackEvent("VideoUploaded", new Dictionary<string, string> {{"Category", "Sports"}, {"Format", "mp4"}});

        return View();
    }

    [ResponseCache(Duration = 0, Location = ResponseCacheLocation.None, NoStore = true)]
    public IActionResult Error()
    {
        return View(new ErrorViewModel { RequestId = Activity.Current?.Id ?? HttpContext.TraceIdentifier });
    }
}
Application Insight – Transaction Search
Getting customEvents vai Log Analytics Workspace

See Also:

fujute

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