how to fix Missing required parameters in laravel

Question

last night i tried and check several times tried to seek "konsuman" in my route, model, controller, database, and views. but i found nothing. the correct value is "konsumen" but after run in browser show error

ErrorException (E_ERROR)
Missing required parameters for [Route: konsumen.update]
[URI: konsumen/{konsuman}]. (View: D:\xampp\htdocs
\skh\resources\views\konsumen\edit.blade.php).

i check in several times to make sure its "konsumen" not "konsuman" but laravel show error like above.

is there any mistaken in my code or maybe another erorr. enclosed my complete work.

here is the link of my complete code in route, model, controller, database and view. thank you for the attention given

Phuc Lam · Accepted Answer · 2019-06-19 04:33:45Z

1

You forgot add param to route('konsumen.update').

It should be route('konsumen.update', ['konsuman' => $id])

$id is the id of konsumen record you're editing.

answered Jun 19, 2019 at 4:33

Phuc Lam

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Developer · Accepted Answer · 2019-06-19 04:08:41Z

0

You forgot to write required in kde_konsumen

$request->validate([
        'kde_konsumen',
        'nma_konsumen' => 'required',
        'alm_konsumen' => 'required',
        'tlp_konsumen' => 'required',
    ]);

to

$request->validate([
        'kde_konsumen' => 'required',
        'nma_konsumen' => 'required',
        'alm_konsumen' => 'required',
        'tlp_konsumen' => 'required',
    ]);

answered Jun 19, 2019 at 4:08

Developer

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AiverReaver · Accepted Answer · 2019-06-19 04:23:06Z

0

Try replacing the form action tag value in

edit.blade.php

to <form action="{{ '/konsumen/'. $konsumen->kde_konsumen) }} " method="POST">

answered Jun 19, 2019 at 4:23

AiverReaver

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2 Comments

mogleng Over a year ago

thank you for your solution, its worked, but i tried to make the code same among other application. not mix it up. hence for other case your code wis working, but in my case not working.

mogleng Over a year ago

just like in my description, my code (variable) or other name dont have "konsuman" but laravel display "konsuman" which this cause make the code not working. i have 5 code identically used the code above work fine. only this code error

user7747472 · Accepted Answer · 2019-06-19 05:03:35Z

0

This is one drawback of using resource in laravel route. It does create all the CURD routes, but it has its own standards that you need to follow. So when you have created

 Route::resource('konsumen', 'KonsumenController');

This in turn generated the routes that you can see in your screenshot. Take a look at the update route, it expects a parameter. So whereever you are using konsumen.update route you also need to pass a parameter konsuman. So it would be like this

route('konsumen.update', ['konsuman' => <someValue>])

Just like @PhucLam said

answered Jun 19, 2019 at 5:03

user7747472

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Lakhwinder Singh · Accepted Answer · 2019-06-19 05:33:39Z

0

You are missing one thing. In your controller, you are accepting the $konsumen model object. But you didn't define how your $konsumen will convert to the model object. Because from URL you are getting an id.

To solve this you need to do some settings in your RouteServiceProvide class. Below is the code you need to add in your provider:-

public function boot()
{
    Route::model('konsumen', \App\Konsumen::class);

    parent::boot();
}

After this, your code will work.

answered Jun 19, 2019 at 5:33

Lakhwinder Singh

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