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.OleDb;

namespace?Ex13_18
{
????public?partial?class?Form1?:?Form
????{
????????public?Form1（）
????????{
????????????InitializeComponent（）;
????????}

????????private?void?textBox1_KeyDown（object?sender?KeyEventArgs?e）
????????{
????????????if?（e.KeyValue?==?13）
????????????{
????????????????OleDbConnection?con?=?new?OleDbConnection（“Provider=Microsoft.Jet.OLEDB.4.0;Data?Source=“?+?“price.mdb“?+?“;Persist?Security?Info=False“）;
????????????????OleDbDataAdapter?dap?=?new?OleDbDataAdapter（“select?*?from?MerchandiseInfo?where?barcode=‘“?+?textBox1.Text?+?“‘“?con）;
????????????????DataS

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2010-04-06?13:10??Ex13_18\
?????文件?????????910??2007-07-11?11:33??Ex13_18.sln
?????文件???????12288??2007-07-11?11:33??Ex13_18.suo
?????目錄???????????0??2010-04-06?13:10??Ex13_18\bin\
?????目錄???????????0??2010-04-06?13:10??Ex13_18\bin\Debug\
?????文件???????24576??2007-07-11?11:33??Ex13_18\bin\Debug\Ex13_18.exe
?????文件???????26112??2007-07-11?11:33??Ex13_18\bin\Debug\Ex13_18.pdb
?????文件????????5632??2007-07-11?11:33??Ex13_18\bin\Debug\Ex13_18.vshost.exe
?????文件??????233472??2007-07-11?11:33??Ex13_18\bin\Debug\price.mdb
?????文件????????3221??2007-07-11?11:33??Ex13_18\Ex13_18.csproj
?????文件????????1881??2007-07-11?11:33??Ex13_18\Form1.cs
?????文件????????7158??2007-07-11?11:33??Ex13_18\Form1.Designer.cs
?????文件????????7286??2007-07-11?11:33??Ex13_18\Form1.resx
?????目錄???????????0??2010-04-06?13:10??Ex13_18\obj\
?????目錄???????????0??2010-04-06?13:10??Ex13_18\obj\Debug\
?????文件?????????842??2007-07-11?11:33??Ex13_18\obj\Debug\Ex13_18.csproj.GenerateResource.Cache
?????文件???????24576??2007-07-11?11:33??Ex13_18\obj\Debug\Ex13_18.exe
?????文件?????????180??2007-07-11?11:33??Ex13_18\obj\Debug\Ex13_18.Form1.resources
?????文件???????26112??2007-07-11?11:33??Ex13_18\obj\Debug\Ex13_18.pdb
?????文件?????????180??2007-07-11?11:33??Ex13_18\obj\Debug\Ex13_18.Properties.Resources.resources
?????目錄???????????0??2010-04-06?13:10??Ex13_18\obj\Debug\TempPE\
?????文件?????????268??2007-07-11?11:33??Ex13_18\obj\Ex13_18.csproj.FileList.txt
?????文件?????????466??2007-07-11?11:33??Ex13_18\Program.cs
?????目錄???????????0??2010-04-06?13:10??Ex13_18\Properties\
?????文件????????1162??2007-07-11?11:33??Ex13_18\Properties\AssemblyInfo.cs
?????文件????????2868??2007-07-11?11:33??Ex13_18\Properties\Resources.Designer.cs
?????文件????????5612??2007-07-11?11:33??Ex13_18\Properties\Resources.resx
?????文件????????1090??2007-07-11?11:33??Ex13_18\Properties\Settings.Designer.cs
?????文件?????????249??2007-07-11?11:33??Ex13_18\Properties\Settings.settings