<select name="ReaderType" style="width: 300px">
	<option value="0" selected>In/Out</option>
	<option value="1" >Non In/Out</option>
</select>

Causing Form To Submit OnChange

 <select name="my_playlists" id="my_playlists" onchange="this.form.submit()">

Loading With Selected Setting From PHP – Using an array

	$MySelectBoxSelected = array();
	$MySelectBoxSelected = array_fill(0, 20, "");		//Fill an array from index 0, 20 items long, with default value ""
	$MySelectBoxSelected[($TheCurrentSetting)] = "selected ";

  $MySelectBox_html = <<<_END
  <select name="my_select_box" width="200" style="width: 200px">
    <option value="0" $MySelectBoxSelected[0]>My Option 0</option>
    <option value="1" $MySelectBoxSelected[1]>My Option 1</option>
    <option value="2" $MySelectBoxSelected[2]>My Option 4</option>
    <option value="3" $MySelectBoxSelected[3]>My Option 3</option>
  </select>
_END;

Loading With Selected Setting From PHP – Using find and replace on a string

  //----- APPLY SELECTED STATUS TO ALREADY KNOWN SELECT BOXES -----
  //$HtmlOutput   String already containing the HTML with the select control in it
  //               None of the <option> elements have been set to selected
  $data = "the_selected_value";   //<<<If it matches <option value="the_selected_value">blah...</option> then "selected" will be added 
  if (!empty($data))
  {
    //Change this:
    //  <option value="something">Something</option>
    //To this:
    //  <option selected value="something">Something</option>
    $SearchString = 'value="' . $data . '"';
    $ReplaceString = 'selected value="' . $data . '"';
    $HtmlOutput = str_replace($SearchString, $ReplaceString, $HtmlOutput);
  }

Doing specific things

Get selected item text
  <select id="SelectCategory" name="SelectCategory" style="width:100%; max-width:400px" onchange="javascript:PopulateCategoryType();" >
    ...
  </select>

  <script>
    function PopulateCategoryType() {
      var e = document.getElementById('SelectCategory');
      var result = e.options[e.selectedIndex].text;
      document.getElementById('ResourceCategoryType').value = result;
    }
    setTimeout(PopulateCategoryType(), 2500);
  </script>
USEFUL?
We benefit hugely from resources on the web so we decided we should try and give back some of our knowledge and resources to the community by opening up many of our company’s internal notes and libraries through mini sites like this. We hope you find the site helpful.
Please feel free to comment if you can add help to this page or point out issues and solutions you have found, but please note that we do not provide support on this site. If you need help with a problem please use one of the many online forums.

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