//查询指定月份的销售额
public static DataTable Cha_MonthChargeCount(int month, int year)
{
return(DAL_Hotel.Cha_MonthChargeCount(month, year));
}
//查询指定月份的销售额
public static DataTable Cha_MonthChargeCount(int month, int year)
{
return(DAL_Hotel.Cha_MonthChargeCount(month, year));
}