Why doesn't it changes when i click generate ?

private void button1_Click(object sender, EventArgs e)
  {
      Button RuscaKelime1 = new Button();
      Controls.Add(RuscaKelime1);
      
      Point kelimePoint= new Point(20,150); 
      RuscaKelime1.Size = new Size(100,100);
      RuscaKelime1.Location= kelimePoint;
      RuscaKelime1.Text = Kilavuz.ruscaKelimeler.ElementAt(rand.Next(Kilavuz.DicLength)).Value;
  }

private void button1_Click(object sender, EventArgs e)
  {
      Button RuscaKelime1 = new Button();
      Controls.Add(RuscaKelime1);
      
      Point kelimePoint= new Point(20,150); 
      RuscaKelime1.Size = new Size(100,100);
      RuscaKelime1.Location= kelimePoint;
      RuscaKelime1.Text = Kilavuz.ruscaKelimeler.ElementAt(rand.Next(Kilavuz.DicLength)).Value;
  }