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Thread: Problem in counting row to get the correct qty per item

  1. #1
    Join Date
    Oct 2011
    Posts
    357

    Problem in counting row to get the correct qty per item

    Hi..

    I have problem in getting the DemandedQty that was input. Only in the Demanded Qty of P28 items was read.

    For example I input 21 in Demanded Qty of P28 and then It alerts 21, but when I input 2 in Demanded Qty of P30 the alert was 21. It means only the P28 Demanded Qty was get.

    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 showSum(element) {
     
     var clickElement = element.value;
     var click_id = element.id; 
       
     var Table = document.getElementById('list'); 

     var rows = Table.rows;   
     
     var strSelect = document.getElementById(click_id).value;
     alert(strSelect); // i tried to alert to check if he gets the correct value, but I found that only the Demanded Qty of P28 was read. And when I try to input on another Demanded Qty like in P30 the alert was blank.
     
     for (var i = 0; i < rows.length; i++) {      
          var row = rows[i];      

        
        if (row.id.substr(0,3) == strSelect) {
        
        }
      
     
     }  
       
    }
    </script>

    </head>
    <body>
    <form name="stock_requisition" action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
    <div>
    <table id="list">
    <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);
    $rowCounter 1;
    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='
    $Items_' name='Items_[]' id='Items_[$rowCounter]' 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' style='text-align: right;' name='DemandedQty[]' id='DemandedQty' value='' size='12' onkeyup ='showSum(this);'></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);  
     
    $rowCounter 1;
     while(
    $row_sub mysql_fetch_assoc($res_sub)){

         
    $Items $row_sub['Items'];
         
    //$Items_ = substr($Items, 12, 3);
         
    $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='
    $Items' id='Items[$rowCounter]' name='Items[]'></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[
    $rowCounter]' value='' size='12' style='border:none;text-align: right;'></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>"
    ;    
         
    $rowCounter $rowCounter 1;
    }
    $rowCounter $rowCounter 1;

                     
    ?>
    </table>
    </div>
    </form>
    </body>
    </html>
    Thank you so much

  2. #2
    Join Date
    Nov 2006
    Location
    Oakland
    Posts
    541
    First of all you are using way to much database resources by running so many queries.

    $sql = "SELECT DISTINCT Items FROM bom_subitems ORDER BY Items";

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

    What is the point of running the first query when the same Items values can be obtained by the second query.

    I am guessing you just want to make sure this row
    <tr>
    <td style='border: none;font-weight: bold;'>&nbsp;<input type='name' value='$Items_' name='Items_[]' id='Items_[$rowCounter]' 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' style='text-align: right;' name='DemandedQty[]' id='DemandedQty' value='' size='12' onkeyup ='showSum(this);'></center></td>
    </tr>

    is not duplicated.

    //=============================================================================
    How about this
    If you run only the second query instead, you can just check that the Items value is different to echo that row.

    $res= mysql_query($sql, $con);
    $CurrentItems='';
    $rowCounter=mysql_num_rows($res); //gives you the total number of rows returned by a query

    while($row = mysql_fetch_assoc($res)){
    $Items = $row['Items'];
    $Items_ = substr($Items, 12, 3);

    if($CurrentItems!=$Items){
    <tr>
    <td style='border: none;font-weight: bold;'>&nbsp;<input type='name' value='$Items_' name='Items_[]' id='Items_[$rowCounter]' 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' style='text-align: right;' name='DemandedQty[]' id='DemandedQty' value='' size='12' onkeyup ='showSum(this);'></center></td>
    </tr>
    }
    ...
    ...
    ...
    ...


    /*on the next iteration that row will not be echoed again if the next $Items is the same as before */
    $CurrentItems=$Items;
    }

    As for the problem of Javascript, the value you are looking for is "element.value".
    clickElement is misleading because it's not the element clicked on by its value.
    The var strSelect = document.getElementById(click_id).value; should be written insted:
    var strSelect = element.value;
    Last edited by holyhttp; 05-01-2012 at 02:55 AM.

  3. #3
    Join Date
    Oct 2011
    Posts
    357
    Quote Originally Posted by holyhttp View Post
    First of all you are using way to much database resources by running so many queries.

    $sql = "SELECT DISTINCT Items FROM bom_subitems ORDER BY Items";

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

    What is the point of running the first query when the same Items values can be obtained by the second query.

    I am guessing you just want to make sure this row
    <tr>
    <td style='border: none;font-weight: bold;'>&nbsp;<input type='name' value='$Items_' name='Items_[]' id='Items_[$rowCounter]' 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' style='text-align: right;' name='DemandedQty[]' id='DemandedQty' value='' size='12' onkeyup ='showSum(this);'></center></td>
    </tr>

    is not duplicated.

    //=============================================================================
    How about this
    If you run only the second query instead, you can just check that the Items value is different to echo that row.

    $res= mysql_query($sql, $con);
    $CurrentItems='';
    $rowCounter=mysql_num_rows($res); //gives you the total number of rows returned by a query

    while($row = mysql_fetch_assoc($res)){
    $Items = $row['Items'];
    $Items_ = substr($Items, 12, 3);

    if($CurrentItems!=$Items){
    <tr>
    <td style='border: none;font-weight: bold;'>&nbsp;<input type='name' value='$Items_' name='Items_[]' id='Items_[$rowCounter]' 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' style='text-align: right;' name='DemandedQty[]' id='DemandedQty' value='' size='12' onkeyup ='showSum(this);'></center></td>
    </tr>
    }
    ...
    ...
    ...
    ...


    /*on the next iteration that row will not be echoed again if the next $Items is the same as before */
    $CurrentItems=$Items;
    }

    As for the problem of Javascript, the value you are looking for is "element.value".
    clickElement is misleading because it's not the element clicked on by its value.
    The var strSelect = document.getElementById(click_id).value; should be written insted:
    var strSelect = element.value;
    Ok... I will try it..

    Thank you

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