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MegghysAPI/Components/Pages/Weather.razor
2025-02-25 22:28:49 +08:00

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@page "/weather"
@attribute [StreamRendering]
<PageTitle>Weather</PageTitle>
<h1>Weather</h1>
<p>This component demonstrates showing data.</p>
<!-- This page is rendered in SSR mode, so the FluentDataGrid component does not offer any interactivity (like sorting). -->
<FluentDataGrid Id="weathergrid" Items="@forecasts" GridTemplateColumns="1fr 1fr 1fr 2fr" Loading="@(forecasts == null)" Style="height:204px;" TGridItem="WeatherForecast">
<PropertyColumn Title="Date" Property="@(c => c!.Date)" Align="Align.Start"/>
<PropertyColumn Title="Temp. (C)" Property="@(c => c!.TemperatureC)" Align="Align.Center"/>
<PropertyColumn Title="Temp. (F)" Property="@(c => c!.TemperatureF)" Align="Align.Center"/>
<PropertyColumn Title="Summary" Property="@(c => c!.Summary)" Align="Align.End"/>
</FluentDataGrid>
@code {
private IQueryable<WeatherForecast>? forecasts;
protected override async Task OnInitializedAsync()
{
// Simulate asynchronous loading to demonstrate streaming rendering
await Task.Delay(500);
var startDate = DateOnly.FromDateTime(DateTime.Now);
var summaries = new[] { "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching" };
forecasts = Enumerable.Range(1, 5).Select(index => new WeatherForecast
{
Date = startDate.AddDays(index),
TemperatureC = Random.Shared.Next(-20, 55),
Summary = summaries[Random.Shared.Next(summaries.Length)]
}).AsQueryable();
}
private class WeatherForecast
{
public DateOnly Date { get; set; }
public int TemperatureC { get; set; }
public string? Summary { get; set; }
public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
}
}