How to invoke a controller method based on each menu item click in Blazor ?
This article explains how to invoke a controller method based on each menu item click to its respective action methods in Blazor Context menu.
Create a controller class with methods for each menu action.
namespace BlazorApp.Controllers
{
[Route("[controller]/[action]")]
public class HomeController : Controller
{
public void Save()
{
Console.WriteLine("save is clicked");
}
}
}
Ensure, AddControllers an MapControllers called in Program.cs file.
using Syncfusion.Blazor;
var builder = WebApplication.CreateBuilder(args);
// Add services to the container.
builder.Services.AddRazorPages();
builder.Services.AddServerSideBlazor();
builder.Services.AddSyncfusionBlazor();
builder.Services.AddControllers();
builder.Services.AddSingleton<WeatherForecastService>();
var app = builder.Build();
// Configure the HTTP request pipeline.
if (!app.Environment.IsDevelopment())
{
app.UseExceptionHandler("/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.MapControllers();
app.MapBlazorHub();
app.MapFallbackToPage("/_Host");
app.Run();
Inject NavigationManager in Index.razor file. In the ItemSelected event of Menu, controller method called using NavigationManager.
Index.razor
inject NavigationManager NavigationManager
<SfMenu TValue="MenuItem">
<MenuItems>
<MenuItem Text="File" IconCss="e-icons e-file">
<MenuItems>
<MenuItem Text="Open" IconCss="e-icons e-open"></MenuItem>
<MenuItem Text="Save" IconCss="e-icons e-save"></MenuItem>
<MenuItem Separator="true"></MenuItem>
<MenuItem Text="Exit"></MenuItem>
</MenuItems>
</MenuItem>
<MenuItem Text="Help"></MenuItem>
</MenuItems>
<MenuEvents TValue="MenuItem" ItemSelected="Open" ></MenuEvents>
</SfMenu>
@code {
public void Open()
{
NavigationManager.NavigateTo($"Home/Save",
forceLoad: true);
}
}
Refer to our documentation and online samples for more features. If you have any queries, please let us know in the comments below. You can also contact us through our Support forum or Support ticket. We are happy to assist you!
Conclusion
I hope you enjoyed learning about how to invoke a controller method based on each menu item click in Blazor.
You can refer to our Blazor Context Menu feature tour page to know about its other groundbreaking feature representations and documentation, and how to quickly get started for configuration specifications. You can also explore our Blazor Context Menu example to understand how to create and manipulate data.
For current customers, you can check out our components from the License and Downloads page. If you are new to Syncfusion, you can try our 30-day free trial to check out our other controls.
If you have any queries or require clarifications, please let us know in the comments section below. You can also contact us through our support forums, Direct-Trac, or feedback portal. We are always happy to assist you!
