mapo-mono/MP.MONO.UI/Pages/Test.razor.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Components;
using System.Net.Http;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Components.Authorization;
using Microsoft.AspNetCore.Components.Forms;
using Microsoft.AspNetCore.Components.Routing;
using Microsoft.AspNetCore.Components.Web;
using Microsoft.AspNetCore.Components.Web.Virtualization;
using Microsoft.JSInterop;
using MP.MONO.UI;
using MP.MONO.Data.DTO;
using MP.MONO.UI.Shared;
using MP.MONO.UI.Components;

namespace MP.MONO.UI.Pages
{

    public partial class Test
    {
        [Inject]
        private IJSRuntime JSRuntime { get; set; } = null!;
        protected int _numHourPrev = 24;
        protected int numHourPrev
        {
            get => _numHourPrev;
            set
            {
                _numHourPrev = value;
                var pUpd = Task.Run(async () =>
                {
                    await ReloadData();
                });
                pUpd.Wait();
            }
        }
        protected int totalCount = 0;
        protected int totalEvents = 0;
        protected List<AlarmFreqDTO> ListRecords = new List<AlarmFreqDTO>();

        protected override async Task OnInitializedAsync()
        {
            
            await ReloadData();
        }
        private async void popover()
        {
            await JSRuntime.InvokeVoidAsync("pop");
        }
        private async Task ReloadData()
        {
            await Task.Delay(1);
            DateTime adesso = DateTime.Now;
            ListRecords = await MMDataService.AlarmRecGetParetoFreq(1, adesso.AddHours(-numHourPrev), adesso);
            totalCount = ListRecords.Count;
            totalEvents = ListRecords.Sum(x => x.EventCount);
            await Task.Delay(1);
        }
    }
}