saving/pertain form data before submit

lovingu

i want to have a form that the user can add a new row for inputting on request, how to pertain/save the data input already at previous row ?

My code is sth like this
<form>
<tr>
<td>Date1<input type="textbox" name="date1" ></td>
<td>Amt1<input type="textbox" name="amount1" ></td>
</tr>
<input type="button" name="add" value="Add new row" onclick=addnew()>
after pressed "add new ROW" button becomes
<form>
<tr>
<td>Date1<input type="textbox" name="date1" ></td>
<td>Amt1<input type="textbox" name="amount1" ></td>
</tr>
<tr>
<td>Date2<input type="textbox" name="date1" ></td>
<td>Amt2<input type="textbox" name="amount2" ></td>
</tr>

so the user can input 2 rows of data, i can increase the row but
how to keep the previous row data ?

devinemke

if i understand you correctly this is not really a PHP question but a javascript question. anyway, your addnew() function needs to capture the values in date1 and amount1 and insert them into the new 2 row form.

lovingu

Actually I want to know is php capable of getting the form variables value before submit. I know in asp there is a function called request.form(varname) to retrieve the form's data in case of incomplete data submit so that when return back the user only need to fill in the incomplete part not the whole form.

devinemke

Originally posted by lovingu
Actually I want to know is php capable of getting the form variables value before submit. I know in asp there is a function called request.form(varname) to retrieve the form's data in case of incomplete data submit so that when return back the user only need to fill in the incomplete part not the whole form.

PHP, being a server-side language, cannot do anything until the data is sent to server (in the case: until the form is submitted). the ASP function that you are talking about also requires that the data is sent to the server. your original question (i think) was about making something happen in the browser before the form is submitted. this is precisely why i said that it is a javascript (cleint-side) issue.

lovingu

understand so what i need to do is change the add new button to submit and then use session variables to store the previous row data inputted until the user click the save submit button.
Any other better suggestion ?

devinemke

Originally posted by lovingu
understand so what i need to do is change the add new button to submit and then use session variables to store the previous row data inputted until the user click the save submit button.
Any other better suggestion ?

let's back up a minute. you have a form with one set of fields: date1 and amount 1. the user enteres a date and an amount. before submitting the form to the server there is a button that expands (via javascript) the form to have 2 more fields: date2 and amount2. when the button is pressed to expand the form you want whatever the user had put in date1 and amount1 to still be there.

is this right? if so you don't need PHP. just have your javascript function that adds the new form fields capture the old form fields and put them in place.

is there some other piece of this puzzle i'm missing? you mentioned sessions. is there a session going? if so is the session data relavent to what is going into these form fields?