Search and delete program c# Program not working

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;

namespace prgtest
{
   
    public partial class Form1 : Form
    {
      
        public Form1()
        {

            InitializeComponent();
            
        }

        private void button1_Click(object sender, EventArgs e)
        {

            foreach (string dir in Directory.GetDirectories(@"I:\Mp3 Delete\Mama\Music"))
            {
                try
                {
                    
            foreach(string file in Directory.GetFiles(dir,"*.MP3"))
            {
                textBox1.Text = file;
                textBox2.Text = dir;
            //string dir1=Path.GetFileName(file);
            //string mp3=Path.GetFileName(file);
            File.Delete(file);
            }
                }
                catch
                {
                    textBox1.Text = "Error";
                }
            }
        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {

        }
    }
}