Train_ticket
............\BLL
............\...\BLL.csproj
............\...\Operator.cs
............\...\Properties
............\...\..........\AssemblyInfo.cs
............\...\arrive_time.cs
............\...\bin
............\...\...\Debug
............\...\...\.....\BLL.dll
............\...\...\.....\BLL.pdb
............\...\...\.....\Dal.dll
............\...\...\.....\Dal.pdb
............\...\...\.....\Model.dll
............\...\...\.....\Model.pdb
............\...\hard_seat_ticket_price.cs
............\...\manager_ticketer.cs
............\...\mileage.cs
............\...\obj
............\...\...\BLL.csproj.FileList.txt
............\...\...\BLL.csproj.FileListAbsolute.txt
............\...\...\Debug
............\...\...\.....\BLL.dll
............\...\...\.....\BLL.pdb
............\...\...\.....\Refactor
............\...\...\.....\........\BLL.dll
............\...\...\.....\ResolveAssemblyReference.cache
............\...\...\.....\TempPE
............\...\sell_record.cs
............\...\sleeper_ticket_price.cs
............\...\start_time.cs
............\...\students.cs
............\...\ticket.cs
............\...\ticketer.cs
............\...\trains.cs
............\Dal
............\...\Dal.csproj
............\...\DataBase.cs
............\...\Operator.cs
............\...\Properties
............\...\..........\AssemblyInfo.cs
............\...\arrive_time.cs
............\...\bin
............\...\...\Debug
............\...\...\.....\Dal.dll
............\...\...\.....\Dal.pdb
............\...\...\.....\Model.dll
............\...\...\.....\Model.pdb
............\...\hard_seat_ticket_price.cs
............\...\manager_ticketer.cs
............\...\mileage.cs
............\...\obj
............\...\...\Dal.csproj.FileList.txt
............\...\...\Dal.csproj.FileListAbsolute.txt
............\...\...\Debug
............\...\...\.....\Dal.dll
............\...\...\.....\Dal.pdb
............\...\...\.....\Refactor
............\...\...\.....\........\Dal.dll
............\...\...\.....\ResolveAssemblyReference.cache
............\...\...\.....\TempPE
............\...\sell_record.cs
............\...\sleeper_ticket_price.cs
............\...\start_time.cs
............\...\students.cs
............\...\ticket.cs
............\...\ticketer.cs
............\...\trains.cs
............\Model
............\.....\Model.csproj
............\.....\Operator.cs
............\.....\Properties
............\.....\..........\AssemblyInfo.cs
............\.....\arrive_time.cs
............\.....\bin
............\.....\...\Debug
............\.....\...\.....\Model.dll
............\.....\...\.....\Model.pdb
............\.....\hard_seat_ticket_price.cs
............\.....\manager_ticketer.cs
............\.....\mileage.cs
............\.....\obj
............\.....\...\Debug
............\.....\...\.....\Model.dll
............\.....\...\.....\Model.pdb
............\.....\...\.....\Refactor
............\.....\...\.....\........\Model.dll
............\.....\...\.....\TempPE
............\.....\...\Model.csproj.FileList.txt
............\.....\...\Model.csproj.FileListAbsolute.txt
............\.....\sell_record.cs
............\.....\sleeper_ticket_price.cs
............\.....\start_time.cs
............\.....\students.cs
............\.....\ticket.cs
............\.....\ticketer.cs
............\.....\trains.cs
............\Train_ticket.sln
............\Train_ticket.suo
............\UI