ZhongJianChen/Class_DuzheXinxiTianJia.cs

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

namespace MF借书系统.ZhongJianChen
{
    class Class_DuzheXinxiTianJia
    {
        ADO.SqlAdo sql;
        public Class_DuzheXinxiTianJia()
        { 
        
        }
        
        //判断用户是否存在
        public bool bool_Duzhe(string DuzheId)
        {
            string sqlStr = "select duzheId from duzhe where DuzheId = '" + DuzheId + "'";
            sql = new ADO.SqlAdo();
           SqlDataReader read = sql.select(sqlStr);
           if (read.Read())
               return true;
           return false;
        }

        //插入读者信息
        public bool insert_Duzhe(string DuzheId, string DuzheName, 
            int number, float moeny)
        {
            string sqlStr = "insert into Duzhe values('"+ DuzheId +"','"+DuzheName+
                "',"+number+","+moeny+")";
            sql = new ADO.SqlAdo();
            return sql.insert(sqlStr);
        }

    }
}