Method not allowed exception while updating a record - laravel

Question

Symfony\Component\HttpKernel\Exception\MethodNotAllowedHttpExceptionNomessage
I'm getting this error while trying to update a record in the database. Don't know what's the problem. This question might be a duplicate but I've checked all and couldn't find the answer. Please Help me with this.
Controller Update Method:
public function updateEvent(Request $request, $id=''){
$name = $request->name;
$startdate = date_create($request->start_date);
$start_date = $startdate;
$time = $request->start_time;
$start_time = $time;//date("G:i", strtotime($time));
$endDate = date_create($request->end_date);
$end_date =$endDate;
$time_e = $request->end_time;
$end_time = $time_e;//date("G:i", strtotime($time_e));
$location = $request->location;
$description = $request->description;
$calendar_type = $request->calendar_type;
$timezone = $request->timezone;
if ($request->has('isFullDay')) {
$isFullDay = 1;
}else{
$isFullDay = 0;
}
DB::table('events')->where('id', $id)->update(
array(
'name' => $name,
'start_date' => $start_date,
'end_date' => $end_date,
'start_time' => $start_time,
'end_time' => $end_time,
'isFullDay' =>$isFullDay,
'description' => $description,
'calendar_type' => $calendar_type,
'timezone' => $timezone,
'location' => $location,
));
// Event Created and saved to the database
//now we will fetch this events id and store its reminder(if set) to the event_reminder table.
if(!empty($id))
{
if (!empty($request->reminder_type && $request->reminder_number && $request->reminder_duration)) {
DB::table('event_reminders')->where('id', $id)->update([
'event_id' => $id,
'type' => $request->reminder_type,
'number'=> $request->reminder_number,
'duration' => $request->reminder_duration
]);
}
}
else{
DB::table('event_reminders')->insert([
'type' => $request->reminder_type,
'number'=> $request->reminder_number,
'duration' => $request->reminder_duration
]);
}
return redirect()->back();
}
Route:
Route::post('/event/update/{id}', 'EventTasksController#updateEvent');
Form attributes :
<form action="/event/update/{{$event->id}}" method="POST">
{{ method_field('PATCH')}}
i'm calling the same update function inside my calendar page and it working fine there. Don't know why it doesn't work here.

Answer 1

Check the routeing method.
Route::patch('/event/update/{id}', 'EventTasksController#updateEvent');
patch should be the method called on route facade.

Answer 2

Change your route to patch:
Route::patch('/event/update/{id}', 'EventTasksController#updateEvent');
For your comment:
You can send the method to the ajax call by something like data-method attribute on the element you click on,take the method and use it in your ajax call. see this question/answer for help. How to get the data-id attribute?