unit6.pas

大家觉得不是垃圾就下了

unit Unit6;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, Grids, DBGrids, StdCtrls, Mask, DBCtrls;

type
  TForm6 = class(TForm)
    Button1: TButton;
    Label1: TLabel;
    Label2: TLabel;
    DBEdit1: TDBEdit;
    DBEdit2: TDBEdit;
    Label3: TLabel;
    DBEdit3: TDBEdit;
    DBGrid1: TDBGrid;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
    procedure DBGrid1DrawColumnCell(Sender: TObject; const Rect: TRect;
      DataCol: Integer; Column: TColumn; State: TGridDrawState);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form6: TForm6;

implementation
uses unit1,mainunit1;
{$R *.dfm}

procedure TForm6.Button1Click(Sender: TObject);
begin
datamodule1.ADOTable3.Delete;
if datamodule1.ADOTable3.RecordCount=0 then
   MessageBox(0, '数据库中的记录已经全部删除！', '提示', MB_OK + 
     MB_ICONINFORMATION);
     
end;

procedure TForm6.Button2Click(Sender: TObject);
begin
close;
end;

procedure TForm6.DBGrid1DrawColumnCell(Sender: TObject; const Rect: TRect;
  DataCol: Integer; Column: TColumn; State: TGridDrawState);
begin
  if gdselected in state then//如果当前区域是被选区域
    begin
      //设置被选区域颜色
      tdbgrid(sender).Canvas.Brush.Color:=clinfobk;
      //设置被选区域字体颜色
      tdbgrid(sender).Canvas.Font.Color:=clfuchsia;
    end
  else //如果是当前区域不是被选择区域
    begin
     //如果是偶数行，则背景颜色为 clskyblue
     if tdbgrid(sender).DataSource.DataSet.RecNo mod 2 =0 then
        tdbgrid(sender).Canvas.Brush.Color:=clskyblue
     else
     //如果是奇数行，则背景颜色为 clinactivecaptiontext
        tdbgrid(sender).Canvas.Brush.Color:=clWhite;
    end;
  //调用默认的绘图函数
  tdbgrid(sender).DefaultDrawColumnCell(rect,datacol,column,state);

end;

end.