有返回的数据集呀!! with adoquey dowhile not eof do begin combox.item.add(filedbyname("ziduan").asstring);
next end;
Combox1.Items.Clear;with adoquey do begin First; while not eof do begin combox1.item.add(filedbyname("ziduan").asstring);
next; end; end;
Combox1.Items.Clear;with adoquey do begin First; while not eof do begin combox1.item.add(filedbyname("ziduan").asstring);
next; end; end;
ADOquery当然可以返回数据,你用一个DBGrid与之连起来就可以看到查询结果了! 将查询结果添加到Combox里面:with ADOQuery1 do while not eof do begin Combobox1.item.add(filedbyname('id').asstring); next; end; end;
只有用command才不會返回數據集的. 其它都是要返回數據集.
Combox1.Items.Clear;with adoquey do begin First; while not eof do begin combox1.item.add(filedbyname("ziduan").asstring);
next; end; end;
ADOquery当然可以返回数据,而且必须有返回数据集合,没有的话,会出错的!!(也就是一定保护select语句)with ADOQuery1 do while not eof do begin Combobox1.item.add(filedbyname('id').asstring); next; end;
with adoquey dowhile not eof do
begin
combox.item.add(filedbyname("ziduan").asstring);
next
end;
begin
First;
while not eof do
begin
combox1.item.add(filedbyname("ziduan").asstring);
next;
end;
end;
begin
First;
while not eof do
begin
combox1.item.add(filedbyname("ziduan").asstring);
next;
end;
end;
将查询结果添加到Combox里面:with ADOQuery1 do
while not eof do
begin
Combobox1.item.add(filedbyname('id').asstring);
next;
end;
end;
其它都是要返回數據集.
begin
First;
while not eof do
begin
combox1.item.add(filedbyname("ziduan").asstring);
next;
end;
end;
while not eof do
begin
Combobox1.item.add(filedbyname('id').asstring);
next;
end;