x++ 手动while select 表

while select salesTable
{
do something;
if (you need to skip)
continue;

do something else;
}

you use next like this:

select salesTable;
while(salesTable.RecId != 0)
{
do something;
if (you need to skip)
{
next salesTable;
continue;
}

do something else;
next salesTable;
}