wang.cs

用C#实现超市的管理

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using Chulicheng;

namespace Yewucheng
{
    public class wang
    {
        mer m = new mer();
        public bool insertmand(string sql)
        {
            return m.insertReun(sql);
        }
        public DataSet SelectMand(string sql)
        {
            return m.SelectReun(sql);
        }
        public bool UpdateMand(string sql,object[] paramer,object[] pavaer)
        {
            SqlParameter[] a = new SqlParameter[paramer.Length];
            for (int i = 0; i < a.Length; i++)
            {
                a[i] = new SqlParameter(paramer[i].ToString(), pavaer[i]);
            }

            return m.UpdateReun(sql,a);
        }

        public bool DeleteMand(string sql)
        {
            return m.DeleteReun(sql);

        }

        public bool SelectMouder(string sql)
        {
            return m.SelectReud(sql);
        
        }

    }
}