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Delphi6新增的DBExpress专门用来对付Mysql,DB2,Interbase,Oracle等数据库,使用时注重将libmysql.dll 拷贝到当前目录或系统目录(98:system,NT:system32)下,并保证您的3306端口与远程服务器是相通的。 源程序: interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, DBXpress, DB, SqlExpr, StdCtrls, ComCtrls, FMTBcd, Grids, DBGrids, Provider, DBClient, DBLocal, DBLocalS, DBTables; type TForm1 = class(TForm) SQLConnection: TSQLConnection; StatusBar1: TStatusBar; Label1: TLabel; DataSource1: TDataSource; DBGrid1: TDBGrid; GroupBox1: TGroupBox; Label2: TLabel; Password: TEdit; User_Name: TEdit; HostName: TEdit; Label3: TLabel; Label4: TLabel; Button1: TButton; GroupBox2: TGroupBox; Label5: TLabel; ESQL: TEdit; Label6: TLabel; Database: TEdit; ButtonGo: TButton; SQLClientDataSet: TSQLClientDataSet; procedure Button1Click(Sender: TObject); procedure ButtonGoClick(Sender: TObject); procedure FormClose(Sender: TObject; var Action: TCloseAction); private { Private declarations } public { Public declarations } end; var Form1: TForm1; implementation {$R *.dfm} procedure TForm1.Button1Click(Sender: TObject); begin with SQLConnection do begin Close; Params.Values[\\\'HostName\\\']:=HostName.Text; Params.Values[\\\'UserName\\\']:=User_Name.Text; Params.Values[\\\'Password\\\']:=Password.Text; Params.Values[\\\'Database\\\']:=Database.Text; try Connected:=True; Statusbar1.Panels[0].Text:=\\\'Connect OK\\\'; ButtonGo.Enabled:=True; except MessageDlg(\\\'Connect Error\\\',mtError,[mbyes],0); end; end; end; procedure TForm1.ButtonGoClick(Sender: TObject); begin with SQLClientDataSet do begin Close; CommandText:=ESQL.Text; Open; end; end; procedure TForm1.FormClose(Sender: TObject; var Action: TCloseAction); begin SQLConnection.Close; end; end. 返回类别: 教程 上一教程: 数据库相关问题 下一教程: 游标操作时进行UPDATE应注重的一个问题 您可以阅读与"使用DELPHI6的DBEXPRESS组件连接远程的MYSQL数据库"相关的教程: · 远程连接ACCESS数据库的方式 · ASP使用MYSQL数据库全攻略 · 如何使用ERWIN进行基于MYSQL的数据库设计 · 使用链接服务器执行远程数据库上的存储过程 · 样设置为使用OLEDB连接我的ACCESS数据库 |
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