component callback blazor code example

Example 1: how to pass property between blazor components

public void ConfigureServices(IServiceCollection services)
{
    services.AddSingleton<Services.AppData>();
}

Example 2: how to pass property between blazor components

@page "/page2"
@inject Services.AppData AppData

<h1>Second Page</h1>
<div style="width:640px; height:480px; background-color:@AppData.Color">
    <p>You entered the number @AppData.Number.</p>
</div>

@code {
    protected override void OnInitialized()
    {
        AppData.OnChange += StateHasChanged;
    }
}