Agents/Functions/AgentEidtor.axaml.cs

using Avalonia;
using Avalonia.Controls;
using Avalonia.Media.Imaging;
using Avalonia.Platform;
using System.Reflection;
using System;
using Agents.Models;
using System.Collections.ObjectModel;
using Avalonia.Interactivity;
using System.Linq;
using System.Runtime.ExceptionServices;
using Avalonia.Media;

namespace Agents;

public partial class AgentEidtor : Window
{
    static User11Context db = new User11Context();
    ObservableCollection<Agent> AgentsitemSource = new ObservableCollection<Agent>(db.Agents.OrderBy(it => it.Title));
    public AgentEidtor()
    {
        InitializeComponent();
        ListAgents.ItemsSource = AgentsitemSource;
    }

    private void ListAgents_SelectionChanged(object? sender, Avalonia.Controls.SelectionChangedEventArgs e)
    {
        Agent agent = db.Agents.Where(it => it == ListAgents.SelectedItem).First();
        TextNewPriority.Text = agent.Priority.ToString();
        TextNewInn.Text = agent.Inn;
        TextNewKPP.Text = agent.Kpp;
        TextNewAddress.Text = agent.Address;
        TextNewDirectorname.Text = agent.Directorname;
        TextNewEmail.Text = agent.Email;
    }

    private void ButtonChange(object sender, RoutedEventArgs e) // <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
    {
        try
        {
            Agent agent = db.Agents.Where(it => it == ListAgents.SelectedItem).First();

            float a = float.Parse(TextNewPriority.Text);
            agent.Priority = Convert.ToInt32(a);

            agent.Inn = TextNewInn.Text; 
            agent.Kpp = TextNewKPP.Text;
            agent.Directorname = TextNewDirectorname.Text;
            agent.Address = TextNewAddress.Text;
            agent.Email = TextNewEmail.Text;
            
            db.SaveChanges();

            Status.Foreground = Brushes.White;
            Status.Text = "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>";
        }
        catch
        {
            Status.Foreground = Brushes.Red;
            Status.Text = "<22><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>";
        }
        
    }

    void Exit(object sender, RoutedEventArgs e) // <20><><EFBFBD><EFBFBD><EFBFBD>
    {
        new MainWindow().Show();
        Close();
    }
}