var i,j:integer; .......... ADOQuery1.Open;//保证ADOQuery1数据集是打开的 j:=0; with ADOQuery1 do begin for i := 0 to FieldCount-1 do begin if ADOQuery1.Fields[i].FieldName='zt' then begin j:=1 ; break; end; end; end; if j=1 then showmessage('有zt') else showmessage('无zt');
var
i,j:integer; .......... ADOQuery1.Open;//保证ADOQuery1数据集是打开的 j:=0;
with ADOQuery1 do
begin
for i := 0 to FieldCount-1 do
begin
if ADOQuery1.Fields[i].FieldName='zt' then
begin
j:=1 ;
break;
end;
end;
end;
if j=1 then
showmessage('有zt')
else
showmessage('无zt');