I have to show the 'Choose option' as a disabled option in drop down list. The drop down list is displayed from another page.
page1.php
<div class="col-md-4">
<select class="form-control" name="task" id="task" required>
<option selected="selected" value="">Choose Task</option>
<option selected="selected" value="task1">Task 1</option>
<option selected="selected" value="task2">Task 2</option>
</select>
</div>
<div class="col-md-4">
<select class="form-control" name="subtask" id="subtask" required>
<option selected="selected" value="">Choose SubTask</option>
</select>
</div>
javascript part:
$("#task").change(function()
{
var id=$(this).val();
$.ajax
({
type: "POST",
url: "query.php",
data:{id: id,
task: 1,
},
cache: false,
success: function(html)
{
$("#subtask").html(html);
}
});
});
query.php
if($_POST['task'])
{
$id1=$_POST['id'];
$sql2="SELECT * FROM sub WHERE task_int='$id1'";
$result2=$conn->query($sql2);
echo '<option disabled selected value> Choose option</option>';
while($row2=$result2->fetch_assoc())
{
$id=$row2['sub_int'];
$data=$row2['sub_name'];
echo '<option value="'.$id.'">'.$data.'</option>';
}
}
I have tried the above code but it is not showing "Choose Option" on top of other data retrieved from database.
<div class="col-md-4"><select class="form-control" name="task" id="task" required="">
<option selected="selected" value="0" disabled="disabled">Choose option</option>
<option value="">Choose Task</option>
<option value="task1">Task 1</option>
<option value="task2">Task 2</option>
</select></div>
<div class="col-md-4"><select class="form-control" name="subtask" id="subtask" required="">
<option selected="selected" value="" disabled="disabled">Choose option</option>
<option value="">Choose SubTask</option>
</select></div>`enter code here`
You have to change your php code to this
if($_POST['task'])
{
$id1=$_POST['id'];
$sql2="SELECT * FROM sub WHERE task_int='$id1'";
$result2=$conn->query($sql2);
echo '<select class="form-control" name="subtask" id="subtask" required>';
echo '<option value>Choose SubTask</option>';
echo '<option disabled selected value> Choose option</option>';
while($row2=$result2->fetch_assoc())
{
$id=$row2['sub_int'];
$data=$row2['sub_name'];
echo '<option value="'.$id.'">'.$data.'</option>';
}
echo '</select>'
}
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