代码如下:
procedure TForm1.Button1Click(Sender: TObject);
begin
adotable1.Open;
adotable1.Edit;
if edit1.Text = '' then
begin
messagedlg('请输入用户名',mtinformation,[mbok],0);
exit;
end; adotable1.Locate('name',edit1.Text,[]);
adotable1.FieldByName('pass').AsString := '123';
try adotable1.Post;
messagedlg('成功!',mtinformation,[mbok],0);
except
adotable1.Cancel;
messagedlg('错误!',mtinformation,[mbok],0);
end;
end;
出错提示:ADOTable1 : Dataset not in edit or insert mode.我不知道adotable1.edit 为什么没有效果,还需要在哪里设置吗?请不吝赐教,在线等待!.......
procedure TForm1.Button1Click(Sender: TObject);
begin
adotable1.Open;
adotable1.Edit;
if edit1.Text = '' then
begin
messagedlg('请输入用户名',mtinformation,[mbok],0);
exit;
end; adotable1.Locate('name',edit1.Text,[]);
adotable1.FieldByName('pass').AsString := '123';
try adotable1.Post;
messagedlg('成功!',mtinformation,[mbok],0);
except
adotable1.Cancel;
messagedlg('错误!',mtinformation,[mbok],0);
end;
end;
出错提示:ADOTable1 : Dataset not in edit or insert mode.我不知道adotable1.edit 为什么没有效果,还需要在哪里设置吗?请不吝赐教,在线等待!.......
adotable1.Locate('name',edit1.Text,[]);
adotable1.Edit;
adotable1.FieldByName('pass').AsString := '123';
try
adotable1.Open; adotable1.Locate('name',edit1.Text,[]); adotable1.Edit;
if edit1.Text = '' then
begin
messagedlg('请输入用户名',mtinformation,[mbok],0);
exit;
end;我想可以你在调用Locate方法时,数据库的状态发生了变化,可能变成了浏览状态,所以你在修改数据时,就会报相应的错误,试试 adotable1.FieldByName('pass').AsString := '123';
try