Index
@page "/"
<table>
<tr>
<th style="width:50px" />
<th style="width:200px">Region</th>
<th style="width:200px">Sales</th>
</tr>
@foreach (var country in Countries)
{
<tr style="cursor:pointer;" @onclick="()=>country.ShowCities = !country.ShowCities">
@if (!country.ShowCities){
<td>⏵</td>
}
else {
<td>⏷</td>
}
<td >@country.Name</td>
<td>@(AllCitySales.Where(acs=>acs.CountryID==country.ID).Sum(cs=>cs.Sales))</td>
</tr>
if (country.ShowCities)
{
foreach (var city in AllCitySales.Where(acs => acs.CountryID == country.ID))
{
<tr>
<td/>
<td> • @city.Name</td>
<td>@city.Sales</td>
</tr>
}
}
}
</table>
@code {
public class Country
{
public int? ID;
public string? Name;
public bool ShowCities;
}
public class CitySales
{
public int ID;
public int CountryID;
public string? Name;
public int Sales;
}
public List<Country> Countries = new List<Country>
{
new Country{ ID = 1, Name="France"},
new Country{ ID = 2, Name="England"}
};
public List<CitySales> AllCitySales = new List<CitySales>
{
new CitySales{ ID = 1, CountryID = 1, Name="Paris", Sales = 453},
new CitySales{ ID = 2, CountryID = 1, Name="Marseille", Sales = 100},
new CitySales{ ID = 3, CountryID = 2, Name="New York", Sales = 123},
new CitySales{ ID = 4, CountryID = 2, Name="Los Angeles", Sales = 420},
new CitySales{ ID = 5, CountryID = 2, Name="Scranton", Sales = 69}
};
}
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>
Add component
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