Evaluate Drop-down Based On Text?

Aug 31, 2009

Curious about the following issue. I currently have a dynamic drop-down based on the value of each option.. If selection in top drop-down is B it will show all options with a B contained in the second/resulting drop-down.

Now - I also want to evaluate the options by having the script check for a few keywords..

Example - have it evaluate the drop-down on page load for options with text containing 'blah123' (ex. <option value="0323G">Qwerty - blah123</option>). And if any of the options have that text the script will generate an additional drop-down menu allowing you to select blah123 or other specified text. Say another thing I'd like to search each text string for is 'abump'. If there is 'blah123' and 'abump' contained within the drop-down, a third drop-down menu will be generated (as said before) with only blah123 and abump as options. Whichever of these is selected will narrow down the options available in the final drop-down menu.

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Dynamic Drop Down List Based On Text Field Value

Nov 25, 2009

I have a form that has a pretty complicated combo box - a user starts typing text, it queries a database for matches, and displays the results to the user. The user can then select the match they desire and it has a value id, which I am currently sending to a hidden field in the form. So, for example: user starts typing in a movie name, Seven - it returns Seven and user selects it. The form submits the id of the movie seven (say 12) to a hidden field.

Where I am stumped: Once a user selects a movie title, I have another drop down select box that is to display the available formats of the movie by querying my database based on the product id (12) and returning the available formats in the list:

DVD
BLUERAY
VHS

I am pretty good at programming, but I cannot figure this out - how to make the select box fire and return results once the value for the textbox has been captured.

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Jul 20, 2005

I'm trying to show/hide a simple piece of text and a text field on a
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<option selected value="">Please make a selection</option>
<option value="1">Choice 1</option>
<option value="2">Choice 2</option>
<option value="3">Choice 3</option>
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i.e. if Choice 2 is selected I'd like to display a new <tr> with the
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<tr>
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if any other choices are made, I don't want to display anything.
I've tried several onchange() functions but can't achieve what I'm
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Any idea how I'd pull that off?

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This works perfectly, however I need to take it a step further to load CSV files, based on user choices from two drop down boxes. Something like this:

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<form name="myform"">
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[code]....

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Nov 17, 2010

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<pre>
_____________________________
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[code]....

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Aug 25, 2010

I'm trying to build a string based on three drop downs. As each drop down choice is made, I want to append the string and redisplay it. When finished the string will be a complete (but not hyperlinked) URL.

My drop downs look like this:

HTML Code:

PHP Code:

Here's how it supposed to work...

When an admin has used the first drop down to pick the value of the "first" variable, the string is updated and redisplayed like so:

Next, when an admin has used the second drop down to pick the value of the "second" variable, the string is updated and redisplayed like so:

Finally, when an admin has used the third drop down to pick the value of the "third" variable, the string is updated and redisplayed like so:

That's all I have. I'm stuck. I'm guessing I need an "onChange" event with each drop down? Also, I need to refresh the "makeTheLink" div when an onChange event fires? How do you tie all of this together? Is self rolled JavaScript the best solution or would jQuery be better?

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If you need me to explain more I will try to do a better job. If I could be pointed in the general direction that would be great, I dont exactly need to be spoon-fed, although I do like spoons if you catch my drift .

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<?php
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<select id="price">
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[Code]..

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