while using Edit function in controller missing parameter error is showing up and when checked using dd {#connection: null #table: null } - laravel-8

Question

i am trying to make a edit function for my subcategories while its show eerror like missing parament, dd showing connection null
the web.php in my routes
web.php
<?php
use App\Http\Controllers\SubCategoryController;
Route::resource('/subcategory', SubCategoryController::class);
the subcategorycontroller
controller
public function edit(subCategory $subCategory)
{
// dd($subCategory);
}
the subcategory model
model
<?php
namespace App\Models;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
class SubCategory extends Model
{
use HasFactory;
protected $fillable =['name'];
}
my migration file for subcategory
migration
<?php
use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;
class CreateSubCategoriesTable extends Migration
{
/**
* Run the migrations.
*
* #return void
*/
public function up()
{
Schema::create('sub_categories', function (Blueprint $table) {
$table->id();
$table->string('name');
$table->integer('category_id');
$table->timestamps();
});
}
/**
* Reverse the migrations.
*
* #return void
*/
public function down()
{
Schema::dropIfExists('sub_categories');
}
}
the output for dd
output
App\Models\SubCategory {#1377 ▼
#fillable: array:1 [▶]
#connection: null
#table: null
#primaryKey: "id"
#keyType: "int"
+incrementing: true
#with: []
#withCount: []
+preventsLazyLoading: false
#perPage: 15
+exists: false
+wasRecentlyCreated: false
#escapeWhenCastingToString: false
#attributes: []
#original: []
#changes: []
#casts: []
#classCastCache: []
#attributeCastCache: []
#dates: []
#dateFormat: null
#appends: []
#dispatchesEvents: []
#observables: []
#relations: []
#touches: []
+timestamps: true
#hidden: []
#visible: []
#guarded: array:1 [▶]
}
the connection and table is showing null when its supposed to say mysql,subcategory
i am also providing the code where i did not used dd and done normaly and its error
controller
public function edit(subCategory $subCategories)
{
// dd($subCategories);
return view('subcategory/edit', compact('subCategories'));
}
the edit.blade.php file in my views
edit.blade
#extends('layouts.app')
#section('content')
<div class="container">
<div class="row justify-content-center">
<div class="col-md-12">
<div class="card">
<div class="card-header">Edit Category</div>
<div class="card-body">
<form method="POST" action="{{ route('subcategory.update',[$subCategories->id]) }}">
#method('PUT')
#csrf
<div class="form-group row">
<label for="name" class="col-md-4 col-form-label text-md-right">{{ __('Name') }}</label>
<div class="col-md-6">
<input id="name" type="text" class="form-control #error('name') is-invalid #enderror" name="name" required autocomplete="name" autofocus>
#error('name')
<span class="invalid-feedback" role="alert">
<strong>{{ $message }}</strong>
</span>
#enderror
</div>
</div>
<div class="form-group row mb-0">
<div class="col-md-6 offset-md-4">
<button type="submit" class="btn btn-primary">
{{ __('Commit Changes') }}
</button>
<a class="btn btn-primary" href="{{route('subcategory.index')}}">{{ __('lang.Cancel') }}</a>
</div>
</div>
</form>
</div>
</div>
</div>
</div>
</div>
#endsection
and the output of missing parameter was obtained
output
Illuminate\Routing\Exceptions\UrlGenerationException
Missing required parameter for [Route: subcategory.update] [URI:
subcategory/{subcategory}] [Missing parameter: subcategory]. (View:
C:\xampp\htdocs\Exam\resources\views\subcategory\edit.blade.php)
http://127.0.0.1:8000/subcategory/1/edit
how can i solve this

Answer 1

changing the edit function in the controller fixed the problem
public function edit($id)
{
$subCategory = Subcategory::find($id);
return view('subcategory/edit', compact('subCategory'));
}