string str="1";//从数据库读取到的性别值 this.DropDownList1.Items.FindByValue(str).Selected=true; select * from ( select top 10 * from ( select top 20 * from usertest order by d )usertest order by d desc )usertest order by d
select * from ( select top 9 * from ( select top 10 * from usertest order by d )usertest order by d desc )usertest order by d
this.DropDownList1.Items.FindByValue(str).Selected=true;
select * from
(
select top 10 * from
(
select top 20 * from usertest order by d
)usertest order by d desc
)usertest order by d
(
select top 9 * from
(
select top 10 * from usertest order by d
)usertest order by d desc
)usertest order by d