using?System;
using?System.Collections.Generic;
using?System.Linq;
using?System.Text;
using?System.Data.OleDb;
using?System.Data;

namespace?登錄驗證
{
????class?DbUtil
????{
????????private?static?string?ConnStr?=?@“Provider=Microsoft.Jet.OLEDB.4.0;Data?source=db_manager.mdb“;

????????public?static?OleDbConnection?GetConn（）
????????{
????????????return?new?OleDbConnection（ConnStr）;
????????}

????????public?static?OleDbCommand?GetCmd（string?sql）
????????{
????????????return?new?OleDbCommand（sql?GetConn（））;
????????}

????????public?static?DataTable?GetDataTable（string?sql）
????????{
????????????DataTable?dt?=?new?DataTable（）;
????????????OleDbDataAdapter?adaptert?=?new?OleDbDataAdapter（sql?GetConn（））;
????????????adaptert.Fill（dt）;
????????????return?dt;
????????}
????}
}

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

?????文件?????229376??2011-06-04?22:50??登錄驗證\登錄驗證\bin\Debug\db_manager.mdb

?????文件??????21504??2011-06-04?22:47??登錄驗證\登錄驗證\bin\Debug\登錄驗證.exe

?????文件??????54784??2011-06-04?22:47??登錄驗證\登錄驗證\bin\Debug\登錄驗證.pdb

?????文件??????14328??2011-06-04?22:50??登錄驗證\登錄驗證\bin\Debug\登錄驗證.vshost.exe

?????文件????????490??2007-07-21?01:33??登錄驗證\登錄驗證\bin\Debug\登錄驗證.vshost.exe.manifest

?????文件????????826??2011-06-04?11:27??登錄驗證\登錄驗證\DbUtil.cs

?????文件???????1392??2011-06-04?11:35??登錄驗證\登錄驗證\Form1.cs

?????文件???????5643??2011-06-02?23:49??登錄驗證\登錄驗證\Form1.Designer.cs

?????文件???????5814??2011-06-02?23:49??登錄驗證\登錄驗證\Form1.resx

?????文件???????2877??2011-06-04?22:46??登錄驗證\登錄驗證\Form2.cs

?????文件??????19285??2011-06-04?11:14??登錄驗證\登錄驗證\Form2.Designer.cs

?????文件???????5814??2011-06-04?11:14??登錄驗證\登錄驗證\Form2.resx

?????文件???????1332??2011-06-04?10:35??登錄驗證\登錄驗證\Form3.cs

?????文件???????4076??2011-06-03?23:49??登錄驗證\登錄驗證\Form3.Designer.cs

?????文件???????5814??2011-06-03?23:49??登錄驗證\登錄驗證\Form3.resx

?????文件????????850??2011-06-04?11:40??登錄驗證\登錄驗證\Form4.cs

?????文件???????4218??2011-06-04?09:41??登錄驗證\登錄驗證\Form4.Designer.cs

?????文件???????5814??2011-06-04?09:41??登錄驗證\登錄驗證\Form4.resx

?????文件???????2735??2011-06-04?22:50??登錄驗證\登錄驗證\obj\Debug\登錄驗證.csproj.FileListAbsolute.txt

?????文件???????1021??2011-06-04?11:31??登錄驗證\登錄驗證\obj\Debug\登錄驗證.csproj.GenerateResource.Cache

?????文件??????21504??2011-06-04?22:47??登錄驗證\登錄驗證\obj\Debug\登錄驗證.exe

?????文件????????180??2011-06-04?11:30??登錄驗證\登錄驗證\obj\Debug\登錄驗證.Form1.resources

?????文件????????180??2011-06-04?11:30??登錄驗證\登錄驗證\obj\Debug\登錄驗證.Form2.resources

?????文件????????180??2011-06-04?11:30??登錄驗證\登錄驗證\obj\Debug\登錄驗證.Form3.resources

?????文件????????180??2011-06-04?11:30??登錄驗證\登錄驗證\obj\Debug\登錄驗證.Form4.resources

?????文件??????54784??2011-06-04?22:47??登錄驗證\登錄驗證\obj\Debug\登錄驗證.pdb

?????文件????????180??2011-06-04?11:30??登錄驗證\登錄驗證\obj\Debug\登錄驗證.Properties.Resources.resources

?????文件????????493??2011-05-31?12:27??登錄驗證\登錄驗證\Program.cs

?????文件???????1374??2011-05-31?12:27??登錄驗證\登錄驗證\Properties\AssemblyInfo.cs

?????文件???????2874??2011-05-31?12:27??登錄驗證\登錄驗證\Properties\Resources.Designer.cs

............此處省略22個文件信息