unit5.pas

物流系统是指在一定的时间和空间里

unit Unit5;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Grids, DBGrids, DB, ADODB, StdCtrls, DBTables, ExtCtrls, DBCtrls;

type
  TForm5 = class(TForm)
    ADOQuery1: TADOQuery;
    DataSource1: TDataSource;
    DBGrid1: TDBGrid;
    Button1: TButton;
    Edit1: TEdit;
    DBNavigator1: TDBNavigator;
    DataSource2: TDataSource;
    ADOTable1: TADOTable;
    procedure Button1Click(Sender: TObject);
     
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form5: TForm5;

implementation

{$R *.dfm}

procedure TForm5.Button1Click(Sender: TObject);
begin


ADOQuery1.Close;
ADOQuery1.SQL.Clear;
ADOQuery1.SQL.Add('SELECT * FROM jhhj');
ADOQuery1.SQL.Add('where 运输方式=:ss');
ADOQuery1.Parameters.ParamByName('ss').Value:= edit1.Text ;
ADOQuery1.Open ;
end;

end.