Help with Changing Row Color in a HTML Table, Reading from XML File

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I have an HTML page that displays Books and their status as to whether they are In Stock, Out of Stock, Arriving Soon, or Preorder. The HTML page reads this information from a XML file. Snippets are below:
HTML

HTML

<body>
<table width="30%" border="0" align="left" cellspacing="1" font size="10">
  <tr bgcolor="#CCCCCC">
    <td colspan="2">
<table width="100%"  datasrc="#nb_fict" font size="1" border="0" align="center" bordercolor="#FFFFFF">
<caption>
<span>Fiction</span>
</caption>
<thead>
<tr>
<th span class="style1">ProductID</th></span>
<th span class="style1">Title</th></span>
<th span class="style1">Author</th></span>
<th span class="style1">Pub. Date</th></span>
<th span class="style1">Stock</th></span>
<th span class="style1">No. In Stock</th></span>
<th span class="style1">Holding</th></span>
</tr>
</thead>
<tbody>
<tr>
<td><span class="style1" datafld="prodID"></td></span>
<td><span class="style1" datafld="Title"></td></span>
<td><span class="style1" datafld="Author"></td></span>
<td><span class="style1" datafld="Date"></td></span>


<td><span class="style1" datafld="Stock"></td></span>
<td><span class="style1" datafld="NumberStock"></td></span>
<td><span class="style1" datafld="holding"></td></span>

					
					
				  </tr>
				  </tbody>
				</table>
				
	</td>
  </tr>

Now, I have have different XML file names by the Genre.
What I want to do is change the row color in the table depending on what is in the Stock field. For example, if it's IS for "Instock" I want it to be green. If it's PO for "Preorder" I want it to display orange. I'm assuming I would have to maybe use Java Script for this, but I don't know how to do it. Any help would be much appreciated. Thanks!

Whoops! Sorry for using the "Answer Question" button for my own comments. Wasn't really sure how to do that, but thanks for letting me know.
If someone has any ideas, please read through the "answers" as some of those posts were mine.

Come on. I know someone can answer this. I think it's so close and probably just something small I'm missing. Any help would really be appreciated.

Posted 9-Apr-12 3:26am

Member 8792414

Updated 11-Apr-12 3:06am

v3

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tulasiram3975 · Answer 1 · 2012-04-09T03:36:00

Solution 1

take asp table it has some more properties and methods...

Posted 9-Apr-12 3:36am

tulasiram3975

Member 8792414 · Answer 2 · 2012-04-09T03:46:00

Solution 2

I would hate to have to re-code all those tables. Is there any way it can be done the way I have it?

Posted 9-Apr-12 3:46am

Member 8792414

whizkid · Answer 3 · 2012-04-09T04:30:00

Hi there, you can use javascript to achieve the changing of row color depending on a particular data. You can change the style of the element in javascript like this:

JavaScript

function changeRowColor {
  el = document.findElementById('elName');
  // then you can add a condition here. if the value of the element is "InStock" then the color is green otherwise set the color to whatever color you prefer.
  // you can set the color of the element using,
  el.style.color = "green";
}

and then you can invoke this function in the appropriate event.
But, the most effective way of doing this is to use AJAX.

Member 8792414 · Answer 4 · 2012-04-09T05:38:00

Thanks whiz.....I know your solution will work, but I can't seem to get it there. Here is what I've written, if you could take a look and tell me what I have wrong?

function changeRowColor {
e1 = document.findElementByID('Stock');
if (e1='IS')
{
e1.style.color = "green"
}
}

I apprecitate it new to javascript.

Member 8792414 · Answer 5 · 2012-04-10T02:34:00

Ok, so I was given the following code to put in the head section. It looks like it should work, but it doesn't. Can someone take a look and see why it may not be working?

C#

<script type="text/javascript">
function fixStatus( )
{
    var rows = document.getElementsByTagName("tr");
    for ( var r = 0; r < spans.length; ++r )
    {
        var row = rows[r];
        var spans = row.getElementsByTagName("span");
        for ( var s = 0; s < spans.length; ++s )
        {
            var span = spans[s];
            if ( span.datafld != null && span.datafld == "status" )
            {
                var val = span.innerHTML.toUpperCase();
                switch ( val )
                {
                    case "IS":
                        row.style.color = "green";
                        break;
                    case "OS":
                        row.style.color = "red";
                        break;
                    case "PO":
                        row.style.color = "blue";
                        break;
                    default:
                        row.style.color = "orange"; // ?? unknown status ??
                        break;
                } // end of switch
                break; // out of for loop on spans
            } // end of if-status-span found
        } // end of spans loop
    } // end of rows loop
}

window.onload = fixStatus;
</script>

whizkid · Answer 6 · 2012-04-11T05:53:00

You can try my sample code below. I used javascript function that takes a parameter id from the onload event of the body tag. Now, all you have to do is to have a workaround on how to get the value of each child elements of the rows/cells if such rows/cells contain child elements like the <span> element and assign the appropriate color for each rows/cells.

XML

<html>
<head>
</head>
<script type="text/javascript">
   function setRowColor(id) {
    var table = document.getElementById("myTable");
    for (var i = 1; i < table.rows.length; i++) {
     var value = table.rows[i].cells[0].innerHTML.toUpperCase();
     var color = "";
     var bgcolor = "white";
     switch(value) {
       case "IS": color = "green"; bgcolor = "black"; break;
       case "OS": color = "red"; break;
       case "PO": color = "blue"; break;
       default: color = "orange"; bgcolor="black"; break;
     }
     table.rows[i].cells[0].style.color = color;
     table.rows[i].cells[0].style.backgroundColor = bgcolor;
     table.rows[i].cells[1].style.color = color;
     table.rows[i].cells[1].style.backgroundColor = bgcolor;
    }
   };
</script>
<body onload="setRowColor('myTable')">
 <table border=1 id="myTable">
   <tr>
     <th>Name</th>
     <th>Color</th>
   </tr>
   <tr>
     <td>IS</td>
     <td>Green</td>
   </tr>
   <tr>
     <td>OS</td>
     <td>Red</td>
   </tr>
   <tr>
     <td>PO</td>
     <td>Blue</td>
   </tr>
   <tr>
     <td>Unknown</td>
     <td>Orange</td>
   </tr>
 </table>
</body>
</html>

Help with Changing Row Color in a HTML Table, Reading from XML File

6 solutions

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