u_setcolumn.pas

这是一个用条码录入的数据的进销存(只对成品）---做童装的

unit U_SetColumn;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, Buttons, ExtCtrls, CheckLst, Spin, DBGridEh;

type
  TF_SetColumn = class(TForm)
    Panel1: TPanel;
    Btn_ok: TBitBtn;
    Btn_Cancel: TBitBtn;
    CbColunm: TCheckListBox;
    Label1: TLabel;
    SpinEdit: TSpinEdit;
    procedure Btn_CancelClick(Sender: TObject);
    procedure Btn_okClick(Sender: TObject);
    procedure FormClose(Sender: TObject; var Action: TCloseAction);
  private
    { Private declarations }
  public
    SetDBGridEh: TDBGridEh;
    function getColumnCount: integer;
    { Public declarations }
  end;

var
  F_SetColumn: TF_SetColumn;


implementation

uses U_Report_Base;



{$R *.dfm}

procedure TF_SetColumn.Btn_CancelClick(Sender: TObject);
begin
  Close;
end;

function TF_SetColumn.getColumnCount: integer;
var I: integer;
begin
  Result := 0;
  for i := 0 to SetDbgrideh.Columns.Count - 1 do
  begin
    if SetDbgrideh.Columns[i].Visible then
      inc(Result, 1);
       // Result:=Result+1;
  end;
end;


procedure TF_SetColumn.Btn_okClick(Sender: TObject);
var i: integer;
begin
//Query_base.DBGridEh.Columns[0].Visible:=False;
  if (SetDbgrideh <> nil) and (SetDbgrideh.Columns.Count > 0) then
  begin
    for i := 0 to CbColunm.Items.Count - 1 do
    begin
      if CbColunm.Checked[i] then SetDbgrideh.Columns[i].Visible := True
      else SetDbgrideh.Columns[i].Visible := False;
    end;
    if SpinEdit.Value < GetColumncount then
      SetDbgrideh.FrozenCols := SpinEdit.Value
    else
      SetDbgrideh.FrozenCols := GetColumncount - 1;

  end;
  //Close;
end;

procedure TF_SetColumn.FormClose(Sender: TObject; var Action: TCloseAction);
begin
//睦