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  1. #1
    SitePoint Guru
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    Oct 2011
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    Auto Display results from computation while input Demanded Qty

    Hi..

    I have forms and I only need to input is the Demanded Qty, and from Demanded Qty that I input it will compute the demanded qty for each Item Code.

    Now my problem is I don't know on how can it possible that while i input the quantity it will also autodisplay the demanded qty for each materials.

    Noted: the Demanded Qty that will auto display is display only on the Demanded Qty you input per Items.
    For Example:

    On Item = P28 i input demanded qty, only on the ItemCode will display the output.

    and when i input on P30 the computation will display on the ItemCode for P30.

    here is my code:

    PHP Code:
    <?php                                                                          
       error_reporting
    (0);
       
    date_default_timezone_set("Asia/Singapore"); //set the time zone  
    $con mysql_connect('localhost''root','');

    if (!
    $con) {
        echo 
    'failed';
        die();
    }

    mysql_select_db("mes"$con);
    ?>
    <html>
    <title>Stock Requisition</title>
    <head>
    <link rel="stylesheet" type="text/css" href="kanban.css">

    <script type="text/javascript">
    function compute_quantity(){
        var DemandedQty = document.getElementById('DemandedQty').value;
        var Quantity = document.getElementById('Quantity').value;
        
        var SubQty = (DemandedQty * Quantity);
    }
    </script>
    </head>
    <body>
    <form name="stock_requisition" action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
     <div>
    <table>
    <thead>
    <th>Items</th>
    <th>Sub Items</th>
    <th>Item Code</th>
    <th>Demanded Qty</th>
    <th>UoM</th>
    <th>Class</th>
    <th>Description</th>
    <th>BIN Location</th>
    </thead>
    <?php

    $DemandedQty 
    $_POST['DemandedQty'];

    $sql "SELECT DISTINCT Items FROM bom_subitems ORDER BY Items";
    $res_bom mysql_query($sql$con);

    while(
    $row mysql_fetch_assoc($res_bom)){
        
        
    $Items $row['Items'];
        
    $Items_ substr($Items123);
        
    echo 
    "<tr>
            <td style='border: none;font-weight: bold;'>&nbsp;<input type='name' value='
    $Items_' name='Items_[]' id='Items' readonly = 'readonly' style = 'border:none;width:auto;font-family: Arial, Helvetica, sans-serif;font-size: 1em;'></td>
            <td style='border:none;'>&nbsp;</td>
            <td style='border:none;'>&nbsp;</td> 
            <td style='border: none;'><center><input type='text' name='DemandedQty[]' id='DemandedQty' value='' size='12' onkeypress = compute_quantity()></center></td>     
            </tr>"

                 
    $sql "SELECT Items, SubItems, ItemCode, UoM, Class, Description, BINLocation, Quantity FROM bom_subitems WHERE Items = '$Items' ORDER BY Items"or die(mysql_error());

    $res_sub mysql_query($sql$con);  
     
     while(
    $row_sub mysql_fetch_assoc($res_sub)){

         
    $Items1 $row_sub['Items'];
         
    $SubItems $row_sub['SubItems'];
         
    $ItemCode $row_sub['ItemCode'];
         
    $UoM $row_sub['UoM'];
         
    $Class $row_sub['Class'];
         
    $Description $row_sub['Description'];
         
    $BINLocation $row_sub['BINLocation'];
         
    $Quantity $row_sub['Quantity']; 
       
        echo 
    "<input type='hidden' name='Quantity' id='Quantity' value='$Quantity'>";
        echo 
    "<tr>
            <td style='border: none;'>&nbsp;<input type='hidden' value='
    $Items1' id='Items1' name='Items1[]'></td>
            <td style='border: none;'>&nbsp;<input type='text' name='SubItems[]' value='
    $SubItems' id='SubItems' readonly='readonly' style='border:none; width:auto;font-family: Arial, Helvetica, sans-serif;font-size: 1em;'></td>
            <td style='border: none;'>&nbsp;<input type='text' name='ItemCode[]' value='
    $ItemCode' id='ItemCode' readonly='readonly' style='border:none; width:auto;font-family: Arial, Helvetica, sans-serif;font-size: 1em;'></td>
            <td style='border: none;'><center><input type='text' name='SubQty[]' id='SubQty' value='' size='12' style></center></td>
            <td style='border: none;' size='3'>&nbsp;<input type='text' name='UoM[]' value='
    $UoM' id='UoM' readonly='readonly' style='border:none; width:auto;font-family: Arial, Helvetica, sans-serif;font-size: 1em;' size='3'></td>
            <td style='border: none;'>&nbsp;<input type='text' name='Class[]' value='
    $Class' id='Class' readonly='readonly' style='border:none; width:auto;font-family: Arial, Helvetica, sans-serif;font-size: 1em;'></td>
            <td style='border: none;'>&nbsp;<input type='text' name='Description[]' value='
    $Description' id='Description' readonly='readonly' style='border:none; width:auto;font-family: Arial, Helvetica, sans-serif;font-size: 1em;' size= '30'></td>
            <td style='border: none;'>&nbsp;<input type='text' name='BINLocation[]' value='
    $BINLocation' id='BINLocation' readonly='readonly' style='border:none; width:auto;font-family: Arial, Helvetica, sans-serif;font-size: 1em;'></td>     
            </tr>"
    ;    
            
    }
    }               
    ?>
    </table>
    </div>

    </form>
    </body>
    </html>
    Thank you so much
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