C#通讯录管理系统（带数据库）

C# 项目案例设计 适用于c#初学者，简单易懂，注释详细，带数据库

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;

namespace AddressList
{
    public partial class AddressList : Form
    {
        public AddressList（）
        {
            InitializeComponent（）;
        }

        FrmSelectFriend frmSelectFriend = new FrmSelectFriend（）;
        //查找按钮，显示查找子窗体
        private void tsmiSelect_Click（object sender EventArgs e）
        {
            if （frmSelectFriend.IsDisposed == true）
            {
                frmSelectFriend = new FrmSelectFriend（）;
            }
            frmSelectFriend.MdiParent = this;
            frmSelectFriend.Show（）;
        }

        //关闭窗体
        private void tsmiExit_Click（object sender EventArgs e）
        {
            this.Close（）;
        }

        //添加信息按钮，显示添加信息子窗体
        FrmAddFriend frmAddFriend = new FrmAddFriend（）;
        private void tsmiAdd_Click（

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

     文件        265  2009-05-20 11:00  AddressList\AddressList\bin\Debug\addressList.txt

     文件        162  2009-05-20 12:24  AddressList\AddressListBAL\obj\AddressListBAL.csproj.FileList.txt

     文件        624  2009-05-19 12:07  AddressList\AddressListBAL\obj\AddressListBAL.csproj.FileListAbsolute.txt

     文件        312  2009-05-23 12:50  AddressList\AddressListBAL\obj\AddressListBEL.csproj.FileListAbsolute.txt

     文件        282  2009-05-20 12:24  AddressList\AddressListBLL\obj\AddressListBLL.csproj.FileList.txt

     文件       1104  2009-05-23 12:51  AddressList\AddressListBLL\obj\AddressListBLL.csproj.FileListAbsolute.txt

     文件        222  2009-05-20 12:24  AddressList\AddressListDAL\obj\AddressListDAL.csproj.FileList.txt

     文件        864  2009-05-23 12:50  AddressList\AddressListDAL\obj\AddressListDAL.csproj.FileListAbsolute.txt

     文件        579  2009-05-20 12:24  AddressList\AddressList\obj\AddressListUI.csproj.FileList.txt

     文件       2022  2009-05-23 12:51  AddressList\AddressList\obj\AddressListUI.csproj.FileListAbsolute.txt

     文件       1468  2009-05-20 20:34  AddressList\CodePub.Com说明.txt

     文件        130  2009-05-20 09:39  AddressList\IPrint\obj\IPrint.csproj.FileList.txt

     文件      36864  2009-05-23 12:51  AddressList\AddressList\bin\Debug\AddressList.exe

     文件      36864  2009-05-23 12:51  AddressList\AddressList\obj\Debug\AddressList.exe

     文件       5632  2005-11-11 22:25  AddressList\AddressList\bin\Debug\AddressList.vshost.exe

     文件      16384  2009-05-23 12:50  AddressList\AddressList\bin\Debug\AddressListBAL.dll

     文件      16384  2009-05-23 12:50  AddressList\AddressListBAL\bin\Debug\AddressListBAL.dll

     文件      16384  2009-05-23 12:50  AddressList\AddressListBAL\obj\Debug\AddressListBAL.dll

     文件      16384  2009-05-23 12:50  AddressList\AddressListBAL\obj\Debug\Refactor\AddressListBAL.dll

     文件      16384  2009-05-23 12:50  AddressList\AddressListBLL\bin\Debug\AddressListBAL.dll

     文件      16384  2009-05-23 12:50  AddressList\AddressListDAL\bin\Debug\AddressListBAL.dll

     文件      16384  2009-05-23 12:50  AddressList\AddressListBLL\obj\Debug\Refactor\AddressListBLL.dll

     文件      20480  2009-05-23 12:51  AddressList\AddressList\bin\Debug\AddressListBLL.dll

     文件      20480  2009-05-23 12:51  AddressList\AddressListBLL\bin\Debug\AddressListBLL.dll

     文件      20480  2009-05-23 12:51  AddressList\AddressListBLL\obj\Debug\AddressListBLL.dll

     文件      16384  2009-05-23 12:50  AddressList\AddressList\bin\Debug\AddressListDAL.dll

     文件      16384  2009-05-23 12:50  AddressList\AddressListBLL\bin\Debug\AddressListDAL.dll

     文件      16384  2009-05-23 12:50  AddressList\AddressListDAL\bin\Debug\AddressListDAL.dll

     文件      16384  2009-05-23 12:50  AddressList\AddressListDAL\obj\Debug\AddressListDAL.dll

     文件      16384  2009-05-20 11:24  AddressList\AddressListDAL\obj\Debug\Refactor\AddressListDAL.dll

............此处省略106个文件信息