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TOPIC: asign value to drop down box with parameter url

asign value to drop down box with parameter url 14 years 6 months ago #11852

Hello.

I have a url link like:

www.mywebsite.com/index.php?option=com_r...&myparameter=myvalue

to call a form.

Then "myparameter" its a value of a dropdown box.

How i can catch the values and display the value as selected this dropdown box?

URL:
www.mywebsite.com/index.php?option=com_r...ormId=1&myparameter=Op5

Dropdown:

op1 $ 1
op2 $ 2
op3 $ 3
op4 $ 4
op5 $ 5This must be displayed selected in the form

Somebody can please tell me how can I do this "step by step".
thanks in advance
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Re:asign value to drop down box with parameter url 14 years 6 months ago #11892

  • alexp
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Hello,

A good starting point would be to consult the following tutorials:


http://www.rsjoomla.com/customer-support/documentations/34-custom-scripting/94-auto-populate-a-list-from-a-table.html

http://www.rsjoomla.com/customer-support/documentations/27-frequently-asked-questions/162-how-do-i-pass-a-parameter-through-the-url-and-how-can-i-catch-it-.html
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Last Edit: 12 years 2 months ago by octavian.
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asign value to drop down box with parameter url 12 years 2 months ago #21488

I can catch a parameter from my code, but i can not assign it as a default value to my dropdownlist. Can anyone help me?

Kind regards,
René
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asign value to drop down box with parameter url 12 years 2 months ago #21513

  • mithcd
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Looks like this issue needs to be duplicated. Should a support ticket needed to be made here?
First, solve the problem. Then, write the code.
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asign value to drop down box with parameter url 12 years 2 months ago #21536

  • alexp
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mithcd wrote:
Looks like this issue needs to be duplicated. Should a support ticket needed to be made here?

The customer support service does not provide custom scripting or customizations.
Please note: my help is not official customer support. To receive your support, submit a ticket by clicking here
Regards,
RSJoomla! Development Team
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asign value to drop down box with parameter url 12 years 1 month ago #22526

  • mark.brindley
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Hi,

I just had the same issue a great developer friend of mine help me resolve this.

Create a Drop Down Item
In the Items Field Add this code
//<code> 
 
$options = array('Option 1', 'Option 2', 'Option 3', 'Option 3');
 
$selected_option = JRequest::getVar('myparameter');
 
$items = "|Please Select\n"; 
 
foreach ($options as $options_item) {
 $items .= $options_item."|".$options_item;
 
 if ($options_item == $selected_option) {
  $items .= "[c]\n";
 } else {
  $items .= "\n";
 }
}
 
return trim($items); 
//</code>

Now you can pass your param in the url: myparameter=Option 1 and it should get the required value.

PS: a working version can be seen here: Working Demo

Benefit Option = p=Private%20Choice
Adults = a=2
Children = c=3
Last Edit: 12 years 1 month ago by mark.brindley.
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