delphi ½øÏú´æÊ±Èë¿âÊýÁ¿ºÍ³ö¿âÊýÁ¿¼äµÄ¹ØÏµ
ÎÒÔÚ³ö¿â´°¿ÚдÁ˸ö·½·¨£ºADOQueryBill µÄbNum ×ֶεÄOnValidate·½·¨ ʵÏÖµÄÊdzö¿âÊýÁ¿²»ÄÜ´óÓÚÈë¿âµÄÊýÁ¿£¬·ñÔò¾ÍÖØÐÂÊäÈëÊýÁ¿£¬ÒÔÏÂÊÇÎҵĴúÂ룺
procedure TFrmStockOut.ADOQueryBillbNum_Validate(Sender: TField);
var
strMsg : string;
begin
if not ADOQueryBill.Eof then
begin
ADOQueryBill.FieldByName('bNum_').AsInteger:=(ADOQueryBill.FieldByName('bNum_').AsInteger
-StrToInt(DBGridBill.Fields[2].Text));
if ADOQueryBill.FieldByName('bNum_').AsInteger < 0 then
begin
strMsg := 'ÁϺÅΪ' + FrmStockIn.ADOQueryBill.FieldByName('pCode_').AsString
+ 'µÄÎïÁÏ¿â´æÁ¿²»¹»,×î¶àÖ»ÄÜÊÇ'+FrmStockIn.ADOQueryBill.FieldByName('bNum_').AsString
+'ÇëÖØÐÂÊäÈëÊýÁ¿£¡';
ShowMessage(strMsg);
Abort;
end
else
begin
ADOQueryBill.Close;
ADOQueryBill.SQL.Clear;
ADOQueryBill.SQL.Add('Update ioTicketB set bNum_=(ioTicketB.bNum_ - :a), ');
ADOQueryBill.Parameters.ParamByName('a').Value :=
ADOQueryBill.FieldByName('bNum_').AsInteger;
ADOQueryBill.ExecSQL;
end;
end
else
begin
ShowMessage('ûÓиÃÎïÁÏ');
Abort;
end;
end;
µ«ÊÇÔËÐÐʱ´íÁË£¬µ÷²»Í¨£¬ÊDz»ÊÇÎÒ×ö´íÁË£¬Ï£Íû´ó¼Ò½ÌÎÒÈ
Ïà¹ØÎÊ´ð£º
×òÍíÔÚDelphiÊý¾Ý¿â²éѯÖÐÓöµ½ÁËÒ»¸öÒɻ󡣴úÂëÈçÏ£º
procedure TFormSearchAchievement.ComboBoxXYChange(Sender: TObject);
var
XY : string;
begin
XY := comboboxxy.Items[comboboxx ......
·µ»ØµÄÄÚÈÝÊÇÈçÏ´úÂë,ÔõôÄÜÇþµÀ2b?
<p class="text1">1a </p>
<p class="text1">2b </p>
<p class="text1">3c </p>
<p cl ......
ÇëÎÊDelphiÓÐÊ÷ÐοؼþÂð£¿
ÔõÑùʹÓã¿
Ttreeview
treeview.items.addchild(nil(Éϼ¶½Úµã),'°¸·¢Ê±·¢'(text));
raize ¿Ø¼þ°üÀïÃæÓУ¬csdnÓÐÏÂÔØµÄ
²é°ïÖúTTreeViewºÍTNodeÁ½¸öÀà
TTreeView ......
ÏëÇëÎʸ÷λ£ºÅ̵ãά»¤ÀïÃæ£ºÅÌÓ¯¿÷ÊýÁ¿=¿â´æÊýÁ¿+Èë¿âÊýÁ¿-³ö¿âÊýÁ¿£¬ÕâÑù×öÊǶԵÄÂð£¬
Â¥ÉÏÕý½â,ÕýÊýÅÌÓ¯ ¸ºÊýÅÌ¿÷
һ¥ÕýÈ·£¡
лл¸÷λÀ²
¾ÍÊÇ£ºÊDz»ÊÇ Êµ¼Ê¿â´æÀïµÄ¿â´æÁ¿ ÓëÄãÊÖ¶¯Êä½øÈ¥µÄÊýÁ¿Ö®¼äµ ......