multiple-select | 易学教程

Can't get the values from multiple select with $_GET request

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问题 I'd like some help please. I'm sending with a GET request from a multiple select field the selected values to my proccess page (archive.php) <form id="form1" class="four columns" action="archive.php" method="get" name="form1"> <select id="select2" multiple="multiple" name="location[]"> <option value="103001000">value1</option> <option value="103002000">value2</option> <option value="103003000">value3</option> <option value="103004000">value4</option> </select> I get the selected locations on

How to implement multi item selection in a GridView with ImageView changind color to blue highlight?

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问题 I would like to implement multi item selection in a GridView with ImageView changing color to blue. I mean I have a GridView with ImageView where I load user's image from url. In my GridView I would like to highlight the multiple selection image (es blue) like in picture My GridView : <GridView android:id="@+id/gridview" android:layout_width="match_parent" android:layout_height="wrap_content" android:numColumns="3" android:scrollbarStyle="insideOverlay" android:scrollbars="vertical" android

Select random teams of players (base and pivots)

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问题 I have a table players with N users who sing up! I need to create random unique team from that list! Great to @geomagas currently i use: $nteams=$_POST['teams']; $nbase=$_POST['base']; $npivots=$_POST['pivots']; $allplayers=$nteams*($nbase+$npivots); require_once "connect_to_mysql.php"; $sqlCommand = "SELECT id FROM players ORDER BY RAND() LIMIT $allplayers"; $query = mysql_query($sqlCommand) or die (mysql_error()); if(mysql_num_rows($query)<$allplayers) // sanity die('Not enough players!');

Style disabled multiple select – google chrome

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问题 I’m trying to figure out how I can go about styling a disabled multiple select element, for google chrome so you can see the selected items. I’ve seem to have it working in: Mac: firefox, safari and chrome PC: ie7, ie8, and firefox It’s just the windows version of chrome that’s not working (see image). How can a go about change the foreground color, or the disabled selected color so you can read the selected text? Thanks 回答1: I don't entirely understand your goal, but I ran into a similar

how to access multiple select array data in javascript

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问题 I have a multiple select box and I want to access the selected data in javascript. Here is the code: <form onsubmit="return false;" id="multisel"> <select name="a[]" id="a" multiple style="width:350px;" tabindex="4"> <option value="Pedro">1</option> <option value="Alexis">2</option> <option value="Messi">3</option> <option value="Villa">4</option> <option value="Andres">5</option> <option value="Sergio">6</option> <option value="Xavi">7</option> </select> <button id="btn1" onclick=

Multi-select to Array

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问题 <!DOCTYPE html> <html> <head> <title>My Form</title> <meta charset="UTF-8" /> </head> <body> <form method="get"> <div>Name <input name="name" size="15" type="text" /> </div> <select multiple="yes" name="colors[]"> <option> 1 </option> <option> 2 </option> <option> 3 </option> <option> 4 </option> <option> 5 </option> </select> </form> <?php $number=10; echo "hello"; if (isset($_GET["name"])){ echo " ".$_GET["name"]; echo "<br />"; } echo count($_GET["colors"]), " ", $_GET["colors"], "<br />";

Html: For Select multiple, only one value is submitted but .val() returns array of two values

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问题 When rendering the page, the val() of a multiple select is set with a single value. For example, $("#my_select_box").val(1); Then the user selects an additional value in the multiple select box. When the form is submitted, only the newly selected value is submitted and not the previously set one. Whereas while debugging in Firefox, the .val() function returns an array of two values (both the previous one and the newly selected one). Why does this happen? 回答1: If you are programming in PHP,

kivy spinner widget with multiple selection

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问题 I am looking for a kivy widget (preferrably in python + kv file) of type spinner (or something alike) where I can select multiple items through a checkbox for example. The selected items should become available in a tuple (?). In the picture start.png you will find the starting situation. In a form there is a label and a Textinput field. On click a list with available options should popup. For this I am using a Spinner widget. See picture select.png From this list I want to select multiple

update multiple select values in mysql database using codeigniter

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Jquery populate optgroup for second selectbox dynamically

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问题 I have a very long list of options in two multiple select box, I want to populate dynamically the options for select_B based on select_A , for instance: I multiple select opt1 and opt2 from select_A , select_B will show the options which is optgroup with id=sub1 and id=sub2 only, if I deselect opt1 and select opt3 from select_A , select_B will remove optgroup sub1 and remain sub2 and sub3 , and so on with flexibility of control. <select id="select_A" multiple="multiple" size="10"> <optgroup