delphi出现Dataset not in edit or insert mode的问题
来源:学生作业帮 编辑:神马作文网作业帮 分类:综合作业 时间:2024/09/24 19:22:20
delphi出现Dataset not in edit or insert mode的问题
如下代码
procedure TStock.Button2Click(Sender: TObject);
begin
AdoTable2.Edit;
AdoTable2.FieldValues['库存数'] := AdoTable2.FieldValues['库存数']+AdoTable1.FieldValues['进货数量'];
AdoTable2.Post;
AdoTable1.Delete;
AdoTable1.Post;
end;
这段代码对应的退货按钮一点击就会出现错误project project1.exe
raised exception class EDatabaseError with message'ADOTable1:Dataset not in edit or insert mode'.
Process stopped.Use Step or Run to continue.”
是什么问题?
如下代码
procedure TStock.Button2Click(Sender: TObject);
begin
AdoTable2.Edit;
AdoTable2.FieldValues['库存数'] := AdoTable2.FieldValues['库存数']+AdoTable1.FieldValues['进货数量'];
AdoTable2.Post;
AdoTable1.Delete;
AdoTable1.Post;
end;
这段代码对应的退货按钮一点击就会出现错误project project1.exe
raised exception class EDatabaseError with message'ADOTable1:Dataset not in edit or insert mode'.
Process stopped.Use Step or Run to continue.”
是什么问题?
AdoTable1.Delete;
AdoTable1.Post; //这里有问题,不要这句
TDataSet在Delete的时候都是不需要Post的
AdoTable1.Post; //这里有问题,不要这句
TDataSet在Delete的时候都是不需要Post的
delphi在执行adoquery.post时提示dataset not in edit or insert mode错
delphi 中出现cannot perform this operation on a closed dataset问
DO NOT RECHARGE ,DISPOSE OF IN FIRE OR IMPROPERLY INSERT什麼意思
开机的时候出现“reboot and select proper boot device or insert boot
我的打印机出现‘’Manual feed insert paper",好像是什么纸盒的设置有问题吧!
谁能告诉我这句话的意思谢谢,会英语的来or Insert boot media in selected boot dev
mysql 有关 insert into set的问题
ghost出现this program cannot be run in dos mode
英语翻译do not attach to skin or insert into mouth.before purcha
一开机就出现This is not a bootable disk .please insert a bootable
点击那个后出现 Setup not found,please insert Disc 2 and try again 诶
手机出现FASTBOOT mode...