str:='select * from renyuan where (dwbh<>03) order by rybh';
with ADOQuery do
begin
SQL.Text := str;
open;
First;
while not Eof do
begin
vItem := RzListView1.Items.Add;
vItem.Caption :=adoquery.FieldByName('xm').AsString;
Next;
end;
end;
str:='select * from danwei where (dwbh<>07) order by dwbh';
with ADOQuery do
begin
SQL.Text := str;
open;
First;
while not Eof do
begin
vItem := RzListView1.Items.Add;
vItem.Caption :=gzdb_adoquery2.FieldByName('dwmc').AsString;
Next;
end;
end;
执行上面的代码后,在listview中显示出来的项目,在用鼠标的3D滑动后,所有的项目会反复出现,非常奇怪,请求解决
with ADOQuery do
begin
SQL.Text := str;
open;
First;
while not Eof do
begin
vItem := RzListView1.Items.Add;
vItem.Caption :=adoquery.FieldByName('xm').AsString;
Next;
end;
end;
str:='select * from danwei where (dwbh<>07) order by dwbh';
with ADOQuery do
begin
SQL.Text := str;
open;
First;
while not Eof do
begin
vItem := RzListView1.Items.Add;
vItem.Caption :=gzdb_adoquery2.FieldByName('dwmc').AsString;
Next;
end;
end;
执行上面的代码后,在listview中显示出来的项目,在用鼠标的3D滑动后,所有的项目会反复出现,非常奇怪,请求解决
CloseSQL.Text := str;
open;
First;
RzListView1.Items.Clear; 试试;
可以定义一个全局变量 进行判断是否已经操作过。
比如:
var IfOperate :boolean:
初始化 IfOperate := false;
然后再这个过程中
if ifoperate = false then
begin
if operate :=true;
……//你这段代码
end;