qwerty/AvaloniaApplication2/Views/UserControl1.axaml.cs

using Avalonia;
using Avalonia.Controls;
using Avalonia.Interactivity;
using Avalonia.Markup.Xaml;
using AvaloniaApplication2.ViewModels;
using System;

namespace AvaloniaApplication2.Views;

public partial class UserControl1 : UserControl
{
    public UserControl1()
    {
        InitializeComponent();
        void button1_Click(object sender, RoutedEventArgs e)

        {

            String allowchar = " ";

            allowchar = "A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z";

            allowchar += "a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,y,z";

            allowchar += "1,2,3,4,5,6,7,8,9,0";

            char[] a = { ',' };

            String[] ar = allowchar.Split(a);

            String pwd = " ";

            string temp = " ";

            Random r = new Random();



            for (int i = 0; i < 6; i++)

            {

                temp = ar[(r.Next(0, ar.Length))];



                pwd += temp;

            }



            textBox1.Text = pwd;

        }

    }

}