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

namespace?真查詢
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}
????????public?static?string?userid;

????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????SqlConnection?cn?=?new?SqlConnection（）;
????????????cn.ConnectionString?=?System.Configuration.ConfigurationManager.ConnectionStrings[“china“].ConnectionString;
????????????cn.Open（）;
????????????SqlCommand?cmd?=?new?SqlCommand（）;
????????????string?str?=?String.Format（“select?snosname?from?student?where?sno=‘{0}‘and?spwd=‘{1}‘“?textBox1.Text.Trim（）?textBox2.Text.Trim（））;
????????????cmd.CommandText?=?str;
????????????cmd.Connection?=?cn;
????????????SqlDataReader?dr?=?cmd.ExecuteReader（）;
????????????if?（dr.Read（））
????????????{
????????????????userid?=?textBox1.Text.Trim（）;
????????????????Form2?f2?=?new?Form2（）;
????????????????f2.Show（）;
????????????????this.Hide（）;
????????????}
????????????else?{
????????????????MessageBox.Show（“用戶名或密碼錯誤“）;
????????????}
????????}

?????
????}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????5612??2010-11-25?09:55??真查詢\真查詢\Properties\Resources.resx

?????文件????????249??2010-11-25?09:55??真查詢\真查詢\Properties\Settings.settings

?????文件???????1176??2010-11-25?09:55??真查詢\真查詢\Properties\AssemblyInfo.cs

?????文件???????2872??2010-11-25?09:55??真查詢\真查詢\Properties\Resources.Designer.cs

?????文件???????1092??2010-11-25?09:55??真查詢\真查詢\Properties\Settings.Designer.cs

?????文件???????3649??2010-11-25?10:44??真查詢\真查詢\真查詢.csproj

?????文件???????5632??2005-11-11?22:25??真查詢\真查詢\bin\Debug\真查詢.vshost.exe

?????文件????????223??2010-11-25?10:44??真查詢\真查詢\bin\Debug\真查詢.exe.config

?????文件??????24576??2010-12-10?21:40??真查詢\真查詢\bin\Debug\真查詢.exe

?????文件??????28160??2010-12-10?21:40??真查詢\真查詢\bin\Debug\真查詢.pdb

?????文件????????223??2010-11-25?10:44??真查詢\真查詢\bin\Debug\真查詢.vshost.exe.config

?????文件????????180??2010-11-25?11:07??真查詢\真查詢\obj\Debug\真查詢.Form1.resources

?????文件????????180??2010-11-25?12:22??真查詢\真查詢\obj\Debug\真查詢.Form2.resources

?????文件????????180??2010-11-25?10:44??真查詢\真查詢\obj\Debug\真查詢.Properties.Resources.resources

?????文件??????24576??2010-12-10?21:40??真查詢\真查詢\obj\Debug\真查詢.exe

?????文件????????900??2010-11-25?12:22??真查詢\真查詢\obj\Debug\真查詢.csproj.GenerateResource.Cache

?????文件??????28160??2010-12-10?21:40??真查詢\真查詢\obj\Debug\真查詢.pdb

?????文件????????351??2010-12-10?21:40??真查詢\真查詢\obj\真查詢.csproj.FileList.txt

?????文件????????468??2010-11-25?09:55??真查詢\真查詢\Program.cs

?????文件????????223??2010-11-25?10:44??真查詢\真查詢\App.config

?????文件???????4047??2010-11-25?11:07??真查詢\真查詢\Form1.Designer.cs

?????文件???????5814??2010-11-25?11:07??真查詢\真查詢\Form1.resx

?????文件???????5814??2010-11-25?12:22??真查詢\真查詢\Form2.resx

?????文件???????2341??2010-11-25?12:54??真查詢\真查詢\Form2.Designer.cs

?????文件???????1188??2010-11-25?17:09??真查詢\真查詢\Form2.cs

?????文件???????1351??2010-11-25?17:09??真查詢\真查詢\Form1.cs

?????文件????????916??2010-11-25?09:55??真查詢\真查詢.sln

????..A..H.?????14848??2010-12-10?21:40??真查詢\真查詢.suo

?????目錄??????????0??2010-11-25?09:55??真查詢\真查詢\obj\Debug\TempPE

?????目錄??????????0??2010-11-25?09:55??真查詢\真查詢\bin\Debug

............此處省略9個文件信息