public string ReturnUpgradePrice(int index) { var result = ""; if (isPetBuy[index].Equals(false)) { result = shopMenu.ReturnShopPrice(string.Format("SH40{0}", index)).ToString(); } else { switch (index) { case 0: result = TableData.Minipin_Jewel[petLevel[index]].ToString(); break; case 1: result = TableData.Poodle_Jewel[petLevel[index]].ToString(); break; case 2: result = TableData.Cat_Jewel[petLevel[index]].ToString(); break; default: break; } } if (petLevel[index].Equals(TableData.Pet_Max_Level[index])) { result = PETMAXLEVEL_SIGN; } return(result); }