How to get id of selected item in database populated combobox in PHP

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I have a problem regarding obtaining id from Combo Box populating name of customer from a database containing field id & name. I want to get the id of name selected by user from Combo Box. Following is the code i have applied to populating Combo Box:

PHP

<input type="text" class="input-field" id="registerNumber" name="register_number" 
               list="register_number" placeholder="Select Register No" /></label>

<!-- Populating Editable ComboBox -->
    <datalist id="register_number" >
    <?php                               
        $result_set= mysqli_query( $connection, "Select  id,  customer_name from 
              service_register ");

       while($result = mysqli_fetch_assoc($result_set)){
            echo "<option value=\"{$result["customer_name "]}\" 
                          id=\"{$result["id"]}\"></option>";
        }   
?>

Posted 30-May-15 18:31pm

Member 11730263

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2 solutions

Solution 1

Consider the following code:-

PHP

$hostname = "localhost";
$username = "root";
$passowrd = "";
$database = "test";
$table = "customer";

# Database connection String
$con=mysqli_connect($hostname,$username,$passowrd,$database);
$result = mysqli_query($con, "SELECT ID,Name FROM $table");


$selectbox='<select name=\'register_number\' class=\'input-field\' id=\'registerNumber\' list=\'register_number\' placeholder=\'Select Register No\' >';

while ($row = mysqli_fetch_assoc($result)) {
    $selectbox.='<option id="'. $row['ID'] .'" value="' . $row['ID'] . '">' . $row['Name'] . '</option>';
}

$selectbox.='</select>';

echo $selectbox;

Above code Corresponding HTML format is as following:-

HTML

<select name='register_number' class='input-field' id='registerNumber' list='register_number' placeholder='Select Register No' >
<option id="1" value="1">Rahim</option>
<option id="2" value="2">Karim</option>
<option id="3" value="3">Jamal</option>
<option id="4" value="4">Irfan</option>
</select>

Hope it work well. Happy Coding :)

Posted 31-May-15 19:00pm

BD Star

Updated 31-May-15 19:02pm

v2

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Member 11730263 · Accepted Answer · 2015-06-04T04:10:00

There is no straight way to get datalist option text in javascript

You can add one more attribute id and put that text value there and get the result like below

HTML

HTML

<input list="emp_names" id="txt_name">
   <datalist id="emp_names">
     <option value="Mehta, Jack1" id="15">15</option>
     <option value="Mehta, Jack2" id="16">16</option>
     <option value="Mehta, Jack3" id="17">17</option>
     <option value="Mehta, Jack4" id="18">18</option>
     <option value="Mehta, Jack5" id="19">19</option>
   </datalist>
   <input type="button" onclick="alertTheSelectedValue()" value="submit">

JS

JavaScript

 var alertTheSelectedValue = function() {
  var val = document.getElementById('txt_name').value;
  var text = $('#emp_names').find('option[value="' + val + '"]').attr('id');
  alert(text);
}

Demo: http://plnkr.co/edit/fJ8aT1PsbftWV8Q6d0tZ?p=preview