how to generate new row on each row button click

i want to generate a new row having text field,1 add button and 1 remove button..each time when we press add button of current row same way a new row should be generated with same functinality of its add button..
similarly same should happen with remove button that is when we click on remove button the same row should be deleted of which remove button is pressed..

Sep 2 '08 #1

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17746

Dormilich

8,658

Expert Mod 8TB

Usually I would do that in JavaScript. Nevertheless it's possible in PHP too. I'm looking forward to your code, so we can discuss problems (if there are any).

kind regards

Sep 2 '08 #2

mailme2805

Usually I would do that in JavaScript. Nevertheless it's possible in PHP too. I'm looking forward to your code, so we can discuss problems (if there are any).

kind regards

dear sir i am novice in php .
I need this done in php exclusively.
As u were asking i am sending my code to u below:

Expand|Select|Wrap|Line Numbers

 
<html>

<head>

<title>

</title>

</head>

<body>

<form name="form1" method="POST" action="">

<table>

 <tr>

<td><input type="text" name="txt" align="center"> </td>

<td><input type="submit" name="btnadd" id="btnadd" value="ADD"> </td>

<td><input type="submit" name="btnremove" id="btnremove" value="REMOVE"> </td>

<td><input type="hidden" name="hidden"  value="abc<?PHP ($j)?>"> </td>

</tr></table>
 
<?PHP

 if($_POST["btnadd"] == "ADD")

{

$j=0;

for($i=0;$i<$j+1;$i++)

{

 ?>

<table>

<tr>

<td><input type="text" name="txt" align="center"> </td>

<td><input type="submit" name="btnadd" id="btnadd" value="ADD"> </td>

<td><input type="submit" name="btnremove" id="btnremove" value="REMOVE"> </td>

<td><input type="hidden" name="hidden"  value="$j ;"> </td>

</tr>

</table>

<?PHP 

}

}

?>
 
</form>
 
</body>

</html>

Sep 2 '08 #3

Dormilich

8,658

Expert Mod 8TB

It looks (please correct me if I'm wrong) as if you want an additional input field added on pressing the 'ADD' button. and you don't want to retain the input (a page reload usually clears all fields).

a simplified version of your code could look like this

Expand|Select|Wrap|Line Numbers

 <html>

  <head>

    <title></title>

    <style type="text/css">

input {

  display: block;   /* makes one <input> per line */

}

    </style>

  </head>

<?php

if($_POST["btnadd"] == "ADD") {

// add 1 to the row counter

    if (isset($_POST['count'])) $count = $_POST['count'] + 1;

// set value for first load

    else $count = 1;

}

if($_POST["btnremove"] == "REMOVE") {

// decrement the row counter

    $count = $_POST['count'] - 1;

// set minimum row number

    if ($count < 1) $count = 1;

}

?>

  <body>

<!-- call same file on submit -->

    <form name="form1" method="POST" action="<?php echo $_SERVER['PHP_SELF']; ?>">

 <?php 

// print $count rows

for ($i=1; $i<=$count; $i++) {

echo '      <input type="text" name="txt" align="center">';

}

?>

 <!-- you only need one set of buttons and only one counter for this script

      because every button would do the same -->

      <input type="submit" name="btnadd" id="btnadd" value="ADD">

      <input type="submit" name="btnremove" id="btnremove" value="REMOVE">

      <input type="hidden" name="count" value="<?php echo $count; ?>">

    </form>

  </body>

</html>

regards

PS: please use [code] tags when posting code

Sep 2 '08 #4

mailme2805

thnk u sir for ur help..ur coding is helped me to solve my problex..
thx

Sep 4 '08 #5

Dormilich

8,658

Expert Mod 8TB

I'm glad that I could help you.

kind regards

Sep 4 '08 #6

mailme2805

[

Expand|Select|Wrap|Line Numbers

 <html>

  <head>

    <title></title>

    <style type="text/css">

input {

  display: block;   /* makes one <input> per line */

}

    </style>

  </head>

<?php

if($_POST["btnadd"] == "ADD") {

// add 1 to the row counter

    if (isset($_POST['count'])) $count = $_POST['count'] + 1;

// set value for first load

    else $count = 1;

}

if($_POST["btnremove"] == "REMOVE") {

// decrement the row counter

    $count = $_POST['count'] - 1;

// set minimum row number

    if ($count < 1) $count = 1;

}

?>

  <body>

<!-- call same file on submit -->

    <form name="form1" method="POST" action="<?php echo $_SERVER['PHP_SELF']; ?>">

 <?php 

// print $count rows

for ($i=1; $i<=$count; $i++) {

echo '      <input type="text" name="txt" align="center">';

}

?>

 <!-- you only need one set of buttons and only one counter for this script

      because every button would do the same -->

      <input type="submit" name="btnadd" id="btnadd" value="ADD">

      <input type="submit" name="btnremove" id="btnremove" value="REMOVE">

      <input type="hidden" name="count" value="<?php echo $count; ?>">

    </form>

  </body>

</html>

sir the coding u send me is exactly matches to suituation i want but but i want that particular row deleted up which row's remove button is clickd.and i want this all thing exclusively in php..plz hepl me sir ..

Thnk you.......

Sep 6 '08 #7

Dormilich

8,658

Expert Mod 8TB

does the input fields contain any data? if not it doesn't matter. In the other case you have to retain the data anyhow (maybe something like <input name="line[]">). then you have to apply somehow a line number to the button to tell which values to drop. I have to think about this problem (this wouldn't be a problem in JS). still you need only one add-button.

Sep 6 '08 #8

mailme2805

sir i only need this in php..to drop particular row whose remove button is being clicked

Sep 8 '08 #9

Dormilich

8,658

Expert Mod 8TB

general idea: name every submit button uniquely and check, which row this button belongs to.
[PHP]// get the 'number' of the pressed button
foreach (array_keys($_POST) as $key) {
if (preg_match('@^submit([0-9]+)$@', $key, $match) == 1) {
$no = $match[1];
$count--;
}
}

// remove value
unset($_POST['text'][$no]);
// re-index array
$retain = array_values($_POST['text']);

for ($i=0; $i<$count; $i++) {
echo ' <input type="text" name="text[]" value="' . $retain[$i] . '" />
<input type="submit" name="submit' . $i . '" value="remove" />
<br />';
}
[/PHP]

Sep 8 '08 #10

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