Use the DBExpress component of Delphi6 to connect to the remote Mysql database _ MySQL

Use the DBExpress component of Delphi6 to connect to the remote Mysql database Delphi6. The new DBExpress is used to deal with databases such as Mysql, DB2, Interbase, and Oracle.

Copy the file to the current directory or system directory (98: system, NT: system32), and ensure that your port 3306 is consistent with the remote server.

SOURCE program:

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;

Performance1: 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.