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;
using?System.Configuration;

namespace?WindowsFormsApplication1
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?button4_Click（object?sender?EventArgs?e）
????????{

????????}

????????private?void?button3_Click（object?sender?EventArgs?e）//跳轉到另外的窗口
????????{
????????????//Form2?form2?=?new?Form2（）;
????????????//form2.TopLevel?=?false;?//?這一步最重要?去除子窗體的頂級窗體設置
????????????//form2.Parent?=?this.panel1;?//?子窗體的父容器
????????????//form2.FormBorderstyle?=?FormBorderstyle.None;?//?去邊框標題欄等
????????????//form2.Dock?=?Dockstyle.Fill;?//?填充
????????????//form2.Show（）;


????????????Form2?frm2?=?new?Form2（）;
????????????//??this.Hide（）;
????????????if?（frm2.ShowDialog（）?==?DialogResult.OK）
????????????{
????????????????this.Show（）;
????????????}
????????}

????????private?void?button4_Click_1（object?sender?EventArgs?e）//取消登陸界面
????????{
????????????this.Close（）;
????????}

????????private?void?button1_Click（object?sender?EventArgs?e）//登錄按鈕，檢驗并連接數據庫匹配帳號
????????{
????????????if?（textBox1?.Text?.Trim?（）!=““?&&textBox2?.Text?.Trim?（）!=““?）
????????????{
????????????????string?sqlconnstr?=?ConfigurationManager.ConnectionStrings[“ConnectionString“].ToString（）;
????????????????SqlConnection?cn?=?new?SqlConnection（sqlconnstr）;
????????????????SqlCommand?cmd?=?new?SqlCommand（）;
????????????????cmd.Connection?=?cn;
????????????????cn.Open（）;
?????????????if?（radioButton1.Checked?）
?????????????{
????????????????cmd.CommandText?=?“select?*?from?customer?where?c_no=@no?and?c_pw=@pw“;
????????????????cmd.Parameters.AddWithValue（“@no“?textBox1.Text.Trim（））;
????????????????cmd.Parameters.AddWithValue（“@pw“?textBox2.Text.Trim（））;
????????????????SqlDataReader?sdr?=?cmd.ExecuteReader（）;
????????????????int?t?=?0;
????????????????while?（sdr.Read（））
????????????????{
????????????????????t++;
????????????????}
????????????????if?（t?>?0）
????????????????{
???????????????//?????MessageBox.Show（“找到該用戶“）;
????????????????????cmd?=?null;
????????????????????cn.Close（）;
????????????????????cn?=?null;
????????????????????yhForm?frm?=?new?yhForm（textBox1.Text.Trim（））;
????????????????????this.Hide（）;
????????????????????if?（frm.ShowDialog（）?==?DialogResult.OK）
????????????????????{
????????????????????????this.Show（）;
????????????????????}

????????????????}
????????????????else
????????????????{
????????????????????MessageBox.Show（“用戶名或密碼錯誤，請重新輸入“）;

????????????????}
????????????}////////////////////////////////if
?????????????else???if?（radioButton2.Checked）
?????????????{
?????????????????cmd.CommandText?=?“select?*?from?gys?where?g_no=@no?and?g_pw=@pw“;
?????????????????cmd.Paramet

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2012-06-25?16:27??軟工2012-6-25\
?????目錄???????????0??2012-06-14?14:54??軟工2012-6-25\WindowsFormsApplication1\
?????目錄???????????0??2012-06-14?14:54??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\
?????文件?????????962??2012-05-25?06:24??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1.sln
?????文件???????54272??2012-06-21?00:36??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1.suo
?????文件????????1048??2012-06-11?10:34??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\App.config
?????目錄???????????0??2012-06-14?14:54??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\bin\
?????目錄???????????0??2012-06-14?14:54??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\
?????文件?????2293760??2012-06-11?11:07??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\MyDatabase.mdf
?????文件??????573440??2012-06-11?11:07??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\MyDatabase_log.ldf
?????文件??????333824??2012-06-11?11:04??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe
?????文件????????1048??2012-06-11?10:34??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.exe.config
?????文件??????820736??2012-06-11?11:04??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.pdb
?????文件???????11592??2012-06-20?22:09??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe
?????文件????????1048??2012-06-11?10:34??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe.config
?????文件?????????490??2007-07-21?01:33??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\bin\Debug\WindowsFormsApplication1.vshost.exe.manifest
?????文件????????6083??2012-06-05?09:13??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\Form1.cs
?????文件????????8589??2012-06-05?09:13??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\Form1.Designer.cs
?????文件????????5814??2012-06-05?09:13??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\Form1.resx
?????文件????????6174??2012-06-11?10:35??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\Form2.cs
?????文件???????11231??2012-05-29?12:59??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\Form2.Designer.cs
?????文件????????5814??2012-05-29?12:59??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\Form2.resx
?????文件????????8949??2012-06-05?08:59??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\Form3.cs
?????文件???????12431??2012-06-05?08:59??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\Form3.Designer.cs
?????文件????????8354??2012-06-05?08:59??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\Form3.resx
?????文件???????13604??2012-06-11?12:49??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\gysForm.cs
?????文件???????20551??2012-06-11?12:49??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\gysForm.Designer.cs
?????文件????????7103??2012-06-11?12:49??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\gysForm.resx
?????文件????????4018??2012-06-11?11:04??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\gysxgForm.cs
?????文件???????10423??2012-06-05?08:41??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\gysxgForm.Designer.cs
?????文件????????5814??2012-06-05?08:41??軟工2012-6-25\WindowsFormsApplication1\WindowsFormsApplication1\gysxgForm.resx
............此處省略47個文件信息