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

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

????????
????????private?void?button1_Click（object?sender?EventArgs?e）
????????{
????????????//進行數據庫連接
????????????SqlConnection?sqlcon?=?new?SqlConnection（@“server=.\sqlexpress;database=Bank;integrated?security=SSPI“）;
????????????try
????????????{
????????????????sqlcon.Open（）;//無法打開數據庫連接，下面基本沒什么問題
????????????????string?sqlSelect?=?“select?*?from?UserInfor“;
????????????????SqlCommand?sqlcmd?=?new?SqlCommand（sqlSelect?sqlcon）;
????????????????SqlDataReader?sdr?=?sqlcmd.ExecuteReader（）;

????????????????while（sdr.Read（））
????????????????{
????????????????????if?（sdr[“acountNum“].ToString（）.CompareTo（textBox1.Text）?==?0）
????????????????????{
????????????????????????if?（sdr[“userpassword“].ToString（）.CompareTo（textBox2.Text）?==?0）
????????????????????????{
????????????????????????????Form3?form?=?new?Form3（textBox1.TexttextBox2.Text）;
????????????????????????????this.Hide（）;
????????????????????????????form.ShowDialog（）;
????????????????????????????return;
????????????????????????}
????????????????????}??
????????????????}

????????????????MessageBox.Show（“對不起！！！該用戶不存在，請注冊！！！““Confirm“MessageBoxButtons.OKMessageBoxIcon.Information）;????
????????????}
????????????catch?（Exception?em）
????????????{
????????????????MessageBox.Show（em.ToString（））;
????????????}
????????????finally
????????????{
????????????????sqlcon.Close（）;????????????????
????????????}
????????}

????????private?void?button2_Click（object?sender?EventArgs?e）
????????{
????????????Form2?form?=?new?Form2（）;
????????????this.Hide（）;
????????????form.ShowDialog（）;
????????}

????}
}

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

?????文件???????4192??2010-11-21?15:44??銀行管理系統\Bank\Bank.csproj

?????文件????????896??2010-11-22?00:02??銀行管理系統\Bank\Bank.sln

????..A..H.?????17408??2010-11-26?16:10??銀行管理系統\Bank\Bank.suo

?????文件?????299008??2010-11-24?20:09??銀行管理系統\Bank\bin\Debug\Bank.exe

?????文件??????56832??2010-11-24?20:09??銀行管理系統\Bank\bin\Debug\Bank.pdb

?????文件???????5632??2005-12-08?14:51??銀行管理系統\Bank\bin\Debug\Bank.vshost.exe

?????文件???????2069??2010-11-22?16:22??銀行管理系統\Bank\Form1.cs

?????文件???????6436??2010-11-22?00:02??銀行管理系統\Bank\Form1.Designer.cs

?????文件???????5814??2010-11-22?00:02??銀行管理系統\Bank\Form1.resx

?????文件???????3319??2010-11-21?23:25??銀行管理系統\Bank\Form2.cs

?????文件???????7342??2010-11-21?16:35??銀行管理系統\Bank\Form2.Designer.cs

?????文件???????5814??2010-11-21?16:35??銀行管理系統\Bank\Form2.resx

?????文件??????17879??2010-11-24?20:09??銀行管理系統\Bank\Form3.cs

?????文件??????40410??2010-11-24?20:09??銀行管理系統\Bank\Form3.Designer.cs

?????文件???????5814??2010-11-24?20:09??銀行管理系統\Bank\Form3.resx

?????文件????????311??2010-11-26?16:10??銀行管理系統\Bank\obj\Bank.csproj.FileList.txt

?????文件???????1163??2010-11-24?20:09??銀行管理系統\Bank\obj\Debug\Bank.csproj.GenerateResource.Cache

?????文件?????299008??2010-11-24?20:09??銀行管理系統\Bank\obj\Debug\Bank.exe

?????文件????????180??2010-11-22?14:10??銀行管理系統\Bank\obj\Debug\Bank.Form1.resources

?????文件????????180??2010-11-21?16:35??銀行管理系統\Bank\obj\Debug\Bank.Form2.resources

?????文件????????180??2010-11-24?20:09??銀行管理系統\Bank\obj\Debug\Bank.Form3.resources

?????文件??????56832??2010-11-24?20:09??銀行管理系統\Bank\obj\Debug\Bank.pdb

?????文件?????255837??2010-11-21?15:44??銀行管理系統\Bank\obj\Debug\Bank.Properties.Resources.resources

?????文件???????5120??2010-11-21?14:42??銀行管理系統\Bank\obj\Debug\TempPE\Properties.Resources.Designer.cs.dll

?????文件????????463??2010-11-21?14:07??銀行管理系統\Bank\Program.cs

?????文件???????1174??2010-11-21?14:07??銀行管理系統\Bank\Properties\AssemblyInfo.cs

?????文件???????3927??2010-11-21?14:42??銀行管理系統\Bank\Properties\Resources.Designer.cs

?????文件???????7016??2010-11-21?14:42??銀行管理系統\Bank\Properties\Resources.resx

?????文件???????1087??2010-11-21?14:07??銀行管理系統\Bank\Properties\Settings.Designer.cs

?????文件????????249??2010-11-21?14:07??銀行管理系統\Bank\Properties\Settings.settings

............此處省略27個文件信息