Drop down selection to variable

[lioslios]

guys i have this  dropdown menu

 

echo "<form method=\"post\" action=\"\">";

 

echo "<center><select name=\"mydropdown\" size=\"0\" style=\"height:4em; width:15em;\">";

 

echo "<option value=\"Milk1\">{$_SESSION['tem1']}</option>";

echo "<option value=\"Milk2\">{$_SESSION['tem2']}</option>";

echo "<option value=\"Milk3\">{$_SESSION['tem3']}</option>";

 

echo "</select></center>";

echo "</form>";

 

and i wand to update a variable every time i select one of the contents...

 

 

how can i done this???

 

[MMDE]

You either need to write some javascript along with some JQuery, or else you need a submit button (<input type="submit" value="submit" />)

You can get the data if they submit their selection with a submit button when the submit button refresh the site with this variable: $_POST['mydropdown']