how to get data from a binary file and display it in a DataGridView in c #

static string ConvertBinaryToText(List<list><int>> seq){
    return new String(seq.Select(s => (char)s.Aggregate( (a,b) => a*2+b )).ToArray());
}

static void Main(){
   string s = "stackoverflow";
   var binary = new List<list><int>>();
   for(var counter=0; counter!=s.Length; counter++){
       List<int> a = ConvertTextToBinary(s[counter], 2);
       binary.Add(a);
       foreach(var bit in a){
           Console.Write(bit);
       }
       Console.Write("\n");
   }
   string str = ConvertBinaryToText(binary);
   Console.WriteLine(str);//stackoverflow
}</int></int></list></int></list>