asp.net三层架构增删改查

数据库

use master
if exists (select * from sysdatabases where name='bond')
drop database bond
create database bond
on primary
(
name='bond_data',
filename='f:\asp\理财代销\management\bond.mdf',
filegrowth=20%,
size=10mb
)
log on
(
name='bond_log',
filename='f:\asp\理财代销\management\bond_log.ldf',
size=3mb,
maxsize=20mb
)




use bond
--基金类型表(左用)
if exists (select * from sys.objects where name='jjlx')
drop table jjlx
create table jjlx
(
id int primary key identity(1,1),                     --id
jjlx varchar(50) not null                            --基金类型
)

--基金类型表增加存储过程
if exists(select * from sys.objects where name='jjlx_add')
drop procedure jjlx_add
go
create proc jjlx_add
@jjlx varchar(50) 
as
insert into jjlx values (@jjlx)
go
--基金类型表查询存储过程
if exists(select * from sys.objects where name='p_jjlx')
drop procedure p_jjlx
go
create proc p_jjlx
as
select * from jjlx
go
--基金类型表修改存储过程
if exists(select * from sys.objects where name='jjlx_gai')
drop procedure jjlx_gai
go
create proc jjlx_gai
@id int,
@jjlx varchar(50)
as
update jjlx set jjlx=@jjlx where  id=@id 
go
--基金类型表删除存储过程
if exists(select * from sys.objects where name='jjlx_delete')
drop procedure jjlx_delete
go
create proc jjlx_delete
@id int,
@jjlx varchar(50)
as
delete from jjlx where id=@id and jjlx=@jjlx
go

链接数据库
web.config

<connectionstrings>
  <add name="conn" connectionstring="server=.;database=bond;integrated security=true" />
 </connectionstrings>

model层
managementmodel类

using system;
using system.collections.generic;
using system.linq;
using system.text;
using system.threading.tasks;

namespace managementmodel
{
    public class jjlxs//基金类型表
    {
        public int id { set; get; }//id
        public string jjlx { set; get; } //基金类型

    }
}

dal层
添加引用 model层
添加程序集引用 using system.configuration;
managementdal类

using system;
using system.collections.generic;
using system.linq;
using system.text;
using system.threading.tasks;
using system.data.sqlclient;
using system.data;
using managementmodel;
namespace managementdal
{
    public class jjlxdal
    {
        dbhelper db = new dbhelper();
        /// <summary>
        /// 查询基金类型
        /// </summary>
        /// <returns></returns>
        public dataset searchjjlx()
        {
            string sql = "p_jjlx";
            return db.search(sql);
        }
        /// <summary>
        /// 增加基金类型
        /// </summary>
        /// <param name="stu"></param>
        /// <returns></returns>
        public int insertjjlx(jjlxs stujjlx)
        {
            string sql = "jjlx_add";
            sqlparameter[] para ={
                           new sqlparameter("@jjlx",stujjlx.jjlx)   
                           };
            return db.iud(sql, para);
        }
        /// <summary>
        /// 修改基金类型
        /// </summary>
        /// <param name="stu"></param>
        /// <returns></returns>
        public int udatejjlx(jjlxs stujjlx)
        {
            string sql = "jjlx_gai";
            sqlparameter[] para ={
                           new sqlparameter("@id",stujjlx.id),
                           new sqlparameter("@jjlx",stujjlx.jjlx)
                           };
            return db.iud(sql, para);
        }
        /// <summary>
        /// 删除基金类型
        /// </summary>
        /// <param name="stu"></param>
        /// <returns></returns>
        public int deletejjlx(jjlxs stujjlx)
        {
            string sql = "jjlx_delete";
            sqlparameter[] para ={
                          new sqlparameter("@id",stujjlx.id),
                           new sqlparameter("@jjlx",stujjlx.jjlx)
                           };
            return db.iud(sql, para);
        }
    }
}

dbhelper类

using system;
using system.collections.generic;
using system.linq;
using system.text;
using system.threading.tasks;
using system.data;
using system.data.sqlclient;
using system.configuration;
namespace managementdal
{
    public class dbhelper
    {
        public static string conn = configurationmanager.connectionstrings["conn"].tostring();
        /// <summary>
        /// 增删改的方法
        /// </summary>
        /// <param name="sql">增删改的存储过程</param>
        /// <param name="param">存储过程使用的参数</param>
        /// <returns></returns>
        public int iud(string sql, sqlparameter[] param)
        {
            int count = 0;
            sqlconnection con = new sqlconnection(conn);
            con.open();
            sqlcommand com = new sqlcommand(sql, con);
            com.commandtype = commandtype.storedprocedure;
            com.parameters.addrange(param);
            count = com.executenonquery();
            con.close();
            return count;
        }
        /// <summary>
        /// 查询返回dataset
        /// </summary>
        /// <param name="sql"></param>
        /// <returns></returns>
        public dataset search(string sql)
        {
            dataset ds = new dataset();
            sqlconnection con = new sqlconnection(conn);
            sqldataadapter adapter = new sqldataadapter(sql, con);
            adapter.fill(ds);
            return ds;
        }
      
    }
}

bll层
添加引用 model层
添加引用 dal层

using system;
using system.collections.generic;
using system.linq;
using system.text;
using system.threading.tasks;
using managementdal;
using managementmodel;
using system.data;
namespace managementbll
{
   public  class jjlxbll
    {
       jjlxdal dal = new jjlxdal();
       /// <summary>
       /// 查询基金类型
       /// </summary>
       /// <returns></returns>
       public dataset searchjjlx() {
           return dal.searchjjlx();
       }
       /// <summary>
       /// 增加基金类型
       /// </summary>
       /// <param name="stu"></param>
       /// <returns></returns>
       public bool insertjjlx(jjlxs stujjlx)
       {
           bool flag = false;
           if (stujjlx.jjlx.length != 0)
           {
               int count = dal.insertjjlx(stujjlx);
               if (count > 0)
               {
                   flag = true;
               }
           }
           return flag;
       }
       /// <summary>
       /// 修改基金类型
       /// </summary>
       /// <param name="stujjlx"></param>
       /// <returns></returns>
       public bool udatejjlx(jjlxs stujjlx)
       {
           bool flag = false;
           if (stujjlx.jjlx.length != 0&&stujjlx.id!=0)
           {
               int count = dal.udatejjlx(stujjlx);
               if (count > 0)
               {
                   flag = true;
               }
           }
           return flag;
       }
       /// <summary>
       /// 删除基金类型
       /// </summary>
       /// <param name="stujjlx"></param>
       /// <returns></returns>
       public bool deletejjlx(jjlxs stujjlx)
       {
           bool flag = false;
           if (stujjlx.jjlx.length != 0 && stujjlx.id != 0)
           {
               int count = dal.deletejjlx(stujjlx);
               if (count > 0)
               {
                   flag = true;
               }
           }
           return flag;
       }
    }
}

ui 层
添加引用 model层
添加引用 bll层
基金类型.aspx

<%@ page language="c#" autoeventwireup="true" codebehind="基金类型表.aspx.cs" inherits="management.index" %>

<!doctype html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="content-type" content="text/html; charset=utf-8"/>
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
        <asp:label id="label2" runat="server" text="类型id:"></asp:label>
&nbsp;
        <asp:textbox id="txtid" runat="server"></asp:textbox>
    <div>
    
    </div>
        <asp:label id="label1" runat="server" text="基金类型:"></asp:label>
        <asp:textbox id="txtjjlx" runat="server"></asp:textbox>
        <br />
        <br />
        <asp:button id="btnadd" runat="server" onclick="btnadd_click" text="增加" />
        <asp:button id="btndelete" runat="server" onclick="btndelete_click" text="删除" />
        <asp:button id="btngai" runat="server" onclick="btngai_click" text="修改" />
        <br />
        <table border="1">
            <tr><th>类型id</th><th>基金类型</th></tr>
        <asp:repeater id="repjjlx" runat="server">
            <itemtemplate>
                <tr>
                    <td><%#eval("id") %></td>
                    <td><%#eval ("jjlx") %></td>
                </tr>
            </itemtemplate>
        </asp:repeater>
        </table>
    </form>
</body>
</html>

基金类型.aspx.cs
基金类型.aspx.cs

using system;
using system.collections.generic;
using system.linq;
using system.web;
using system.web.ui;
using system.web.ui.webcontrols; 
using managementbll;
using system.data;
using managementmodel;
namespace management
{
    public partial class index : system.web.ui.page
    {
        jjlxbll bll = new jjlxbll();
        protected void page_load(object sender, eventargs e)
        {
            bind();
        }
        public void bind() {

            this.repjjlx.datasource = bll.searchjjlx().tables[0];
            this.repjjlx.databind();
        }
        protected void btnadd_click(object sender, eventargs e)
        {
            jjlxs stujjlx = new jjlxs {jjlx=txtjjlx.text };
            if (bll.insertjjlx(stujjlx))
            {
                bind();
                response.write("<script>alert('增加成功！')</script>");
            }
            else {
                response.write("<script>alert('增加失败！')</script>");
            }
        }

        protected void btndelete_click(object sender, eventargs e)
        {
            jjlxs stujjlx = new jjlxs();
            stujjlx.id = convert.toint32(txtid.text);
            stujjlx.jjlx = txtjjlx.text;
            if (bll.deletejjlx(stujjlx))
            {
                bind();
                response.write("<script>alert('删除成功！')</script>");
            }
            else
            {
                response.write("<script>alert('删除失败！')</script>");
            }
        }

        protected void btngai_click(object sender, eventargs e)
        {
            jjlxs stujjlx = new jjlxs();
            stujjlx.id = convert.toint32(txtid.text);
            stujjlx.jjlx = txtjjlx.text;
            if (bll.udatejjlx(stujjlx))
            {
                bind();
                response.write("<script>alert('修改成功！')</script>");
            }
            else
            {
                response.write("<script>alert('修改失败！')</script>");
            }
            
        }
    }
}