参数传递的问题
<select name="tid">
<option selected>-选择-</option>
<%
ResultSet rs=stmt.executeQuery("select tid from teacher_free where weekday_time is not null");
while(rs.next())
{
String tid=rs.getString("tid");
out.println("<option value='"+tid+"'>"+tid+"</option>");
}
%>
</select>
参数"tid"的值传送不到下一页面,请问是咋回事?