c#报刊订阅管理系统

c#报刊订阅管理系统 采用vs2010为工具，c#为语言做的一个报刊订阅管理系统， 对用户，报刊，订阅，数据库进行管理。

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;
namespace newspaperorder
{
    public partial class addadmin : Form
    {
        private int childFormNumber = 0;

        public addadmin（）
        {
            this.Visible = true;
            InitializeComponent（）;
        }

        private void ShowNewForm（object sender EventArgs e）
        {
            Form childForm = new Form（）;
            childForm.MdiParent = this;
            childForm.Text = “Window “ + childFormNumber++;
            childForm.Show（）;
        }

        private void OpenFile（object sender EventArgs e）
        {
            OpenFileDialog openFileDialog = new OpenFileDialog（）;
            openFileDialog.InitialDirectory = Environment.GetFolderPath（Environment.SpecialFolder.Personal）;
            openFileDialog.Filter = “Text Files （*.txt）|*.txt|All Files （*.*）|*.*“;
            if （openFileDialog.ShowDialog（this） == DialogResult.OK）
            {
                string FileName = openFileDialog.FileName;
            }
        }

        private void SaveAsToolStripMenuItem_Click（object sender EventArgs e）
        {
            SaveFileDialog saveFileDialog = new SaveFileDialog（）;
            saveFileDialog.InitialDirectory = Environment.GetFolderPath（Environment.SpecialFolder.Personal）;
            saveFileDialog.Filter = “Text Files （*.txt）|*.txt|All Files （*.*）|*.*“;
            if （saveFileDialog.ShowDialog（this） == DialogResult.OK）
            {
                string FileName = saveFileDialog.FileName;
            }
        }

        private void ExitToolsStripMenuItem_Click（object sender EventArgs e）
        {
            this.Close（）;
        }

        private void CutToolStripMenuItem_Click（object sender EventArgs e）
        {
        }

        private void CopyToolStripMenuItem_Click（object sender EventArgs e）
        {
        }

        private void PasteToolStripMenuItem_Click（object sender EventArgs e）
        {
        }
        private void CascadeToolStripMenuItem_Click（object sender EventArgs e）
        {
            LayoutMdi（MdiLayout.Cascade）;
        }

        private void TileVerticalToolStripMenuItem_Click（object sender EventArgs e）
        {
            LayoutMdi（MdiLayout.TileVertical）;
        }

        private void TileHorizontalToolStripMenuItem_Click（object sender EventArgs e）
        {
            LayoutMdi（MdiLayout.TileHorizontal）;
        }

        private void ArrangeIconsToolStripMenuItem_Click（object sender EventArgs e）
        {
            LayoutMdi（MdiLayout.ArrangeIcons）;
        }

        private void CloseAllToolStripMenuItem_Click（object sender EventArgs e）
        {
            foreach （Form childForm in MdiChildren）
            {
                childFor

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2012-01-01 16:06  newspaperorder\
     目录           0  2012-01-01 16:06  newspaperorder\newspaperorder\
     文件         884  2011-12-22 22:11  newspaperorder\newspaperorder.sln
     文件       65024  2012-04-13 13:06  newspaperorder\newspaperorder.suo
     文件        4337  2011-12-26 10:01  newspaperorder\newspaperorder\addadmin.cs
     文件        8999  2011-12-26 11:43  newspaperorder\newspaperorder\addadmin.Designer.cs
     文件        6163  2011-12-25 23:39  newspaperorder\newspaperorder\addadmin.resx
     文件        4741  2011-12-26 11:18  newspaperorder\newspaperorder\addcommon.cs
     文件       11991  2011-12-26 11:44  newspaperorder\newspaperorder\addcommon.Designer.cs
     文件        5990  2011-12-26 11:18  newspaperorder\newspaperorder\addcommon.resx
     文件        4496  2011-12-30 13:32  newspaperorder\newspaperorder\addnewspaper.cs
     文件       11948  2011-12-26 12:00  newspaperorder\newspaperorder\addnewspaper.Designer.cs
     文件        5990  2011-12-26 12:00  newspaperorder\newspaperorder\addnewspaper.resx
     文件        3672  2011-12-30 09:42  newspaperorder\newspaperorder\adminalter.cs
     文件        5368  2011-12-30 09:42  newspaperorder\newspaperorder\adminalter.Designer.cs
     文件        5990  2011-12-30 09:42  newspaperorder\newspaperorder\adminalter.resx
     文件        3416  2011-12-30 13:25  newspaperorder\newspaperorder\admindelnewspaper.cs
     文件        4095  2011-12-30 13:25  newspaperorder\newspaperorder\admindelnewspaper.Designer.cs
     文件        5990  2011-12-30 13:25  newspaperorder\newspaperorder\admindelnewspaper.resx
     文件       10399  2011-12-30 13:56  newspaperorder\newspaperorder\adminform.cs
     文件       17383  2011-12-30 13:25  newspaperorder\newspaperorder\adminform.Designer.cs
     文件        6188  2011-12-30 13:25  newspaperorder\newspaperorder\adminform.resx
     文件        4728  2011-12-30 13:46  newspaperorder\newspaperorder\adminscannewspaper.cs
     文件        5999  2011-12-30 09:59  newspaperorder\newspaperorder\adminscannewspaper.Designer.cs
     文件        7278  2011-12-30 09:54  newspaperorder\newspaperorder\adminscannewspaper.resx
     目录           0  2012-01-01 16:06  newspaperorder\newspaperorder\bin\
     目录           0  2012-01-01 16:06  newspaperorder\newspaperorder\bin\Debug\
     文件      146432  2011-12-30 14:32  newspaperorder\newspaperorder\bin\Debug\newspaperorder.exe
     文件      224768  2011-12-30 14:32  newspaperorder\newspaperorder\bin\Debug\newspaperorder.pdb
     文件       11600  2012-04-13 10:34  newspaperorder\newspaperorder\bin\Debug\newspaperorder.vshost.exe
     文件         490  2010-03-17 22:39  newspaperorder\newspaperorder\bin\Debug\newspaperorder.vshost.exe.manifest
............此处省略68个文件信息