AJAX: Populating Text Boxes With Values From Database?

Jun 18, 2006

I have a dropdown (picklist) on the page, and when the user selects one of the company names in the list the onChange event fires and kicks in some AJAX to get the company's details from the database. The details are just the various locations of each company.

The way I am doing it now I have a simple div on the page below the picklist and I am using PHP to draw out the entire HTML, including the values sought from the database, and then just using innerHTML on the div to dump the info in there.

So I have PHP which concats text like:

"<input type="text" name="city" value="$city">"
"<input type="text" name="state" value="$state">"

and then the JS innerHTML's it into the div.

But it strikes me this is not really an efficient way to do this. Should I just have the PHP form an XML doc and then use that to populate the form fields?

If so how do I use the DOM to create text fields on the page, and then populate them with the info returned from the DB?

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[Code]...

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Code:

<SCRIPT>
function content() {
var retval="abc";[code].....

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Code:

Once the form is filled out and saved, the data is inserted into the database and the values from these 4 text boxes are concatenated, comma seperated and inserted into that one field correctly.

(Example)

If the 4 text boxes have the following values:

In the database field they become:

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(Example)

All 4 text boxes display this:

I already know why the data appears like this in the form, my problem is that I'm not sure how to write the javascript to seperate the values into the correct corresponding fields, assuming javascript is what I should be using!

Also, this is kind of irrelevant but just in case you're wondering, this form is part of a cold fusion application!

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________
| Submit |
--------------

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here is my code

Code JavaScript:
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[Code].....

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[Code]....

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