Try this one:
Code:
else if (ItemParts[0] == "723700")
{
if (Level < 100)
AddExp((ulong)(1295000 + Level * 50000), false);
else if (Level < 110)
AddExp((ulong)(1395000 + Level * 80000), false);
else if (Level < 115)
AddExp((ulong)(1595000 + Level * 100000), false);
else if (Level < 120)
AddExp((ulong)(1895000 + Level * 120000), false);
else if (Level < 125)
AddExp((ulong)(2095000 + Level * 150000), false);
else if (Level < 130)
AddExp((ulong)(2395000 + Level * 180000), false);
else if (Level < 135)
AddExp((ulong)(2895000 + Level * 200000), false);
RemoveItem(ItemUID);
}