public void ReloadPlayers(string filePath)
        {
            if (File.Exists(filePath))
            {
                AllAvailablePlayers.Clear();
                ExcelPackage.LicenseContext = OfficeOpenXml.LicenseContext.NonCommercial;

                using (var package = new ExcelPackage(new FileInfo(filePath)))
                {
                    ExcelWorkbook workbook = package.Workbook;
                    if (workbook != null)
                    {
                        if (workbook.Worksheets.Count > 0)
                        {
                            ExcelWorksheet worksheet = workbook.Worksheets.First();
                            foreach (Player p in WorksheetToPlayers(worksheet))
                            {
                                if (!IsPlayerAlreadyOwned(p))
                                {
                                    AllAvailablePlayers.Add(p);
                                }
                            }
                        }
                    }
                }
            }
        }
 public void AddPlayerToAvailablePlayers(Player player)
 {
     AllAvailablePlayers.Add(player);
     AllAvailablePlayersView.Refresh();
 }