how do i insert into data base

Fri, 15 Feb 2008 19:15:58 -0800 (PST)
i'm creating a an web application on attendance, in which a user
after selecting the subject and month he gets all the student info who
has taken that subject.

my problem is i'm able to get the multiple student with the text box
where a user can put up his monthly attendance. how do i insert the
info in the same time after filling the info.

the snapshot of the code is here...
here I'm getting the roll no. along with the text box..

String str1 = "select roll_no from student where sem_id = (select
sem_id from subject where course_id ='bsc_it' and sub_id =
                                            ResultSet rs = stmt.executeQuery(str1);
                            <table align="center" width="" cellpadding="0" cellspacing="0"
border="1" cellspacing="1" cellpadding="1">
                                        <td><input type="text" value="Total Lecture" readonly=""/></
                                        <td><input type="text" name="total_att" maxlength="2"></td>
                                        <td><input type="text" value="Student roll no." readonly="" /
                                        <% while(


                                                        stu_roll = rs.getString("roll_no");
                                     <tr bordercolor="#CC3366">
                                          <input type="text" name="att" />


                                        catch(SQLException e)
                                            out.println("Exception in SQL" + e);

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