Не могу подключиться к БД

unit Unit1;
 
interface
 
uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, ComCtrls, StdCtrls, DBXpress, DB, SqlExpr;
 
type
  TForm1 = class(TForm)
    Edit1: TEdit;
    Label1: TLabel;
    Button1: TButton;
    Edit2: TEdit;
    Edit3: TEdit;
    Edit4: TEdit;
    Label2: TLabel;
    Label3: TLabel;
    Label4: TLabel;
    Edit5: TEdit;
    Edit6: TEdit;
    Label5: TLabel;
    Label6: TLabel;
    Button2: TButton;
    Button3: TButton;
    StatusBar1: TStatusBar;
    SQLConnection1: TSQLConnection;
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;
 
var
  Form1: TForm1;
 
implementation
 
{$R *.dfm}
 
procedure TForm1.Button2Click(Sender: TObject);
begin
 
with SQLConnection1 do begin
Drivername:='MySQL';
 
with Params do begin
clear;
add('Hostname='+Edit2.Text);
add('port='+Edit3.Text);
add('User_name='+Edit5.Text);
add('Password='+Edit6.Text);
add('database='+Edit4.Text);
end;
 
try
Connected:=true;
 
if Connected=true then StatusBar1.Panels[0].Text:='Connected' else
StatusBar1.Panels[0].Text:='Could not connect ';
 
except
showmessage('Error');
StatusBar1.Panels[0].Text:='Could not connect ';
 
end;
end;
 
end;
 
end.