viewitemfm.pas

一款房产中介软件

Unit VIEWItemFM;

Interface

Uses
   Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
   Dialogs, ExtCtrls, DB, ADODB, Grids, DBGridEh, ComCtrls, ToolWin, GridsEh,
   StdCtrls, Buttons;

Type
   TfrmVIEWItem = Class(TForm)
      ToolBar1: TToolBar;
    btnAdd: TSpeedButton;
    btnModifi: TSpeedButton;
    btnDel: TSpeedButton;
    btnReflesh: TSpeedButton;
    btnClose: TSpeedButton;
      Panel1: TPanel;
      AALabel1: TLabel;
      DBGridEH1: TDBGridEh;
      DataSource1: TDataSource;
      ADOQuery1: TADOQuery;
      Splitter1: TSplitter;
      ADOQuery2: TADOQuery;
      DataSource2: TDataSource;
      DBGridEh2: TDBGridEh;
      Procedure SetBtnEnable(bEn: Boolean);
      Procedure btnCloseClick(Sender: TObject);
      Procedure btnRefleshClick(Sender: TObject);
      Procedure btnDelClick(Sender: TObject);
      Procedure DBGridEh1CellClick(Column: TColumnEh);
      Procedure FormClose(Sender: TObject; Var Action: TCloseAction);
      Procedure FormCreate(Sender: TObject);
      Procedure btnAddClick(Sender: TObject);
      Procedure btnModifiClick(Sender: TObject);
      Procedure DBGridEh2DblClick(Sender: TObject);
      Procedure ADOQuery1AfterScroll(DataSet: TDataSet);
   Private
    { Private declarations }
   Public
    { Public declarations }
   End;

Var
   frmVIEWItem     : TfrmVIEWItem;

Implementation
Uses MainDM, EditItemFM, PUBFunction;
{$R *.dfm}

Procedure TfrmVIEWItem.btnCloseClick(Sender: TObject);
Begin
   Close;
End;

Procedure TfrmVIEWItem.btnRefleshClick(Sender: TObject);

Begin
   ADOQuery1.Close;
   ADOQuery1.sql.Text := 'SELECT cname, code from company';
   ADOQuery1.open;
   DBGridEh1CellClick(DBGridEH1.Columns.Items[0]);

End;

Procedure TfrmVIEWItem.btnDelClick(Sender: TObject);

   Procedure DelRecAboutGD(sTablename: String);
   Var
      ADOD          : TADOQuery;
   Begin
      ADOD := TADOQuery.create(self);
      With ADOD Do Begin
         connection := DMMain.ADOConnection1;
         sql.Text := 'DELETE * FROM ' + sTablename + ' where 公司编号=''' +
            ADOQuery2.fieldbyname('公司编号').Text + ''' And 项目编号=''' +
            ADOQuery2.fieldbyname('项目编号').Text + '''';
         ExecSQL;
         Free;
      End;

   End;
Var
   i: integer;
Begin
   If ADOQuery2.Active Then Begin
      For i := 0 To sTnames.Count - 1 Do
         If (ExtFieldInTable(sTnames[i], '项目编号')) Then
            If Not (sTnames[i] = '项目信息表') Then
               DelRecAboutGD(sTnames[i]);

      If ADOQuery2.recordcount > 0 Then
         ADOQuery2.Delete;

   End;
End;

Procedure TfrmVIEWItem.DBGridEh1CellClick(Column: TColumnEh);
Begin
   If ADOQuery1.recordcount = 0 Then Exit;
   ADOQuery2.sql.Text := 'select * from 项目信息表 where 公司编号=''' +
      ADOQuery1.fieldbyname('code').Text + '''';
   ADOQuery2.open;
End;

Procedure TfrmVIEWItem.SetBtnEnable(bEn: Boolean);
Begin
   btnAdd.Enabled := bEn;
   btnModifi.Enabled := bEn;
   btnDel.Enabled := bEn;
   btnReflesh.Enabled := bEn;
End;

Procedure TfrmVIEWItem.FormClose(Sender: TObject;
   Var Action: TCloseAction);
Begin
   Action := cafree;
   frmVIEWItem := Nil;
End;

Procedure TfrmVIEWItem.FormCreate(Sender: TObject);
Begin
   ADOQuery1.sql.Text := 'SELECT cname, code from company';
   ADOQuery1.open;
   SetBtnEnable(ADOQuery1.recordcount > 0);
   If ADOQuery1.recordcount > 0 Then
      DBGridEh1CellClick(DBGridEH1.Columns.Items[0]);
End;

Procedure TfrmVIEWItem.btnAddClick(Sender: TObject);
Begin
   If ADOQuery2.Active Then Begin
      ADOQuery2.Insert;
      
      If frmEditItem = nil then
        frmEditItem := TfrmEditItem.create(self);
      frmEditItem.Show;
      frmEditItem.BADD := true;
   End;
End;

Procedure TfrmVIEWItem.btnModifiClick(Sender: TObject);
Begin
   If ADOQuery2.Active Then Begin
      If ADOQuery2.recordcount = 0 Then Exit;
        ADOQuery2.edit;
      If frmEditItem = nil then
        frmEditItem := TfrmEditItem.create(self);
      frmEditItem.Show;
      frmEditItem.BADD := False;
   End;
End;

Procedure TfrmVIEWItem.DBGridEh2DblClick(Sender: TObject);
Begin
   btnModifi.click;                //修改显示
End;

Procedure TfrmVIEWItem.ADOQuery1AfterScroll(DataSet: TDataSet);
Begin
   DBGridEh1CellClick(DBGridEH1.Columns.Items[0]);
End;

End.