BPASmartClient/WPFDemo/Class1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using BPASmartClient.Helper;
using Microsoft.Toolkit.Mvvm.ComponentModel;
using System.Collections.ObjectModel;
using Microsoft.Toolkit.Mvvm.Input;

namespace WPFDemo
{
    public class Class1 : ObservableObject
    {
        public Class1()
        {
            AddCommand = new RelayCommand(() =>
            {
                dataTests.Add(new DataTest()
                {
                    data1 = new Random().Next(0, 100),
                    data2 = new Random().Next(200, 300),
                    data3 = new Random().Next(400, 500).ToString(),
                    data4 = Convert.ToBoolean(new Random().Next(0, 1)),
                    data5 = new Random().Next(600, 700)
                });
            });
        }
        public ObservableCollection<DataTest> dataTests { get; set; } = new ObservableCollection<DataTest>();

        public RelayCommand AddCommand { get; set; }

    }
}