var readcsv = File.ReadAllText(filepath);
string[] csvfilerecord = readcsv.Split('\n');

foreach (var row in csvfilerecord)
{
  if (!string.IsNullOrEmpty(row))
  {
    var cells = row.Split(','))
    var card = new Cards
      {
         number = cells[0], // number is in first cell
         cvv = cells[1],   // cvv is in second cell
         // ...
      };
  }
}