say editable field start with 1,2,3 etc
so put checkbox with value 1,2,3,4
these values are unique and is sufficient to indentify which check box
<input type=text name="editable1">
<input type=checkbox name="cbox" value=1>
<input type=text name="editable2">
<input type=checkbox name="cbox" value=2>
<input type=text name="editable3">
<input type=checkbox name="cbox" value=3>
now in ur asp code you can find which checkbox is checked
which gives you comma separated value if 1 and 3 are checked
then its value is 1,3
now for example say your id start with 100 no problem at all
since this time you have 100,101,102
so the best way is to use primary key field or combination of more than one column that can identify your database rows uniquely.
hope this will help you.