Index was outside the bounds of the array. C#

    protected void Button1_Click(object sender, EventArgs e)
    {

        String[] SinhalaWords = new String[70130];
        int count = 0;
        String Word;
        String path = Server.MapPath("~\\Resarch\\new.txt");
        StreamReader sre = new StreamReader(path);

        while ((Word = sre.ReadLine()) != null)
        {
            SinhalaWords[count] = (Word.ToString().Trim());        
         
           TextBox1.Text = SinhalaWords[count];//this line show Index was outside the bounds of the array. error
           count++;
        }
   
       
     
    

    }
}