trainbusiness.cs

来自「用C#编写的实现火车查询功能的程序功能比较完整」· CS 代码 · 共 84 行

using System;
using System.Collections.Generic;
using System.Text;
using TrainSystem.Access;
using System.Data;
using System.IO;


namespace TrainSystem.Business
{
    public class TrainBusiness
    {
        TrainAccess ta = new TrainAccess();
        DataSet ds = new DataSet();
        

        public TrainBusiness()
        {
 
        }

        public DataSet SelectNonstop(string StarCity,string EndCity)
        {
           
            try 
	        {
                ds = ta.SelectNonstop(StarCity, EndCity);
                
                //返回数据集
                return ds;
	        }
	        catch (Exception ex)
	        {
        		
		        throw ex;
	        } 
        }
        public DataSet SelectChangeTrains(string StarCity, string EndCity)
        {
          
            try
            {
                ds = ta.SelectChangeTrains(StarCity, EndCity);

                //返回数据集
                return ds;
            }
            catch (Exception ex)
            {

                throw ex;
            } 
        }
        public DataSet selectTrainInfo(string traincode)
        {
            try
            {
                ds = ta.SelectTrainInfo(traincode);
                return ds;
            }
            catch ( Exception ex)
            {
                
                throw ex;
            }
        }

        public DataSet selectTrainCode(string traincode)
        {
            try
            {
                ds = ta.SelectTrainCode(traincode);
                return ds;
            }
            catch (Exception ex)
            {

                throw ex;
            }
        }
        
    }
}