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

Source: Internet
Author: User
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.

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.