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Index

@page "/"
 
<MatSelectItem @bind-Value="@inOutValue" Items="@allValues" >
    <ItemTemplate>
        <span style="color: #099;">@context?.Name</span>
    </ItemTemplate>
</MatSelectItem>

@if(currentlySelectedCityStatus != null)
{
    <p>Selected City: @inOutValue.Name</p>
    <p style="font-weight:bold;">@currentlySelectedCityStatus</p>
}
 
@code
{
    private const int METROPOLIS = 800000;

    private city _inOutValue = null;
    private city inOutValue
    {
        get => _inOutValue;
        set
        {
            _inOutValue = value;
            currentlySelectedCityStatus = (value.Population >= METROPOLIS)
                                        ? "its a metropolis" 
                                        : "its a city";
        }
    }

    private string currentlySelectedCityStatus = null;

    private IReadOnlyCollection<city> allValues = new List<city>
    {
        new city { Name="London", Population=7556900 },
        new city { Name="Birmigham", Population=984333},
        new city { Name="Liverpool", Population=864122 },
        new city { Name="Nottingham", Population=729977 },
        new city { Name="Sheffield", Population=685368 },
        new city { Name="Bristol", Population=617280 },
        new city { Name="Glasgow", Population=591620 }
    };

    class city
    {
        public string Name {get; set;}
        public int Population {get; set;}
    }

}
 
    

namespace BlazorFiddleProject
{
    using Microsoft.AspNetCore.Components.Builder;
    using Microsoft.Extensions.DependencyInjection;


    public class Startup
    {
        public void ConfigureServices(IServiceCollection services)
        {
        }

        public void Configure(IComponentsApplicationBuilder app)
        {
            app.AddComponent<App>("app");
        }
    }
}

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8"/>
    <meta name="viewport" content="width=device-width">
    <title>BlazorFiddleProject</title>
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
	
	<script src="_content/MatBlazor/dist/matBlazor.js"></script>

    <style>
        app { }
    </style>

    <script type="text/javascript">
    </script>
</head>
<body>
<app>Loading...</app>

<script src="_framework/blazor.webassembly.js"></script>
<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script>
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
</body>
</html>

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