How to delete the deployed Event Receiver in Sharepoint server 2010 By C#

I took it from this article

private void DeleteEventReceiverFromAList(string siteUrl)
    {
        using (SPSite site = new SPSite(siteUrl))
        {
            using(SPWeb web = site.OpenWeb())
            {
                try
                {
                    SPList list = web.Lists["myList"];
                    if (list != null)
                    {
                        string className = "EventReceiverClass";
                        string asmName = "EventReceiverAssemblyName, Version=1.0.0.0, Culture=neutral, PublicKeyToken=1111111111111111";
                        web.AllowUnsafeUpdates = true;
                        int receivers = list.EventReceivers.Count;
                        bool isAddedReceiverExist = false;
                        bool isUpdatedReceiverExist = false;
                        for (int i = 0; i < receivers; i++)
                        {
                            SPEventReceiverDefinition eventReceiver = list.EventReceivers[i];
                            if (eventReceiver.Class == className && eventReceiver.Type == SPEventReceiverType.ItemAdded)
                            {
                                eventReceiver.Delete();
                                break;
                            }
                        }
                    }
                }
                catch { }
                finally
                {
                    web.AllowUnsafeUpdates = false;
                }
            }
        }
    }

How to delete the deployed Event Receiver in Sharepoint server 2010 - PowerShell

I took it from this article

$spWeb = Get-SPWeb -Identity http://contoso.com

$spList = $spWeb.Lists["My List Name"]
$eventsCount = $spList.EventReceivers.Count
$assembly = "Project.Name.Class, Version=1.0.0.0, Culture=neutral, PublicKeyToken=11111111111"
$class = "Namespace.MyClass.ClassName"
$type = 10002
$name = "My Event Name"
for ($i = 0; $i -lt $eventsCount; $i+=1)
{  
  if ($spList.EventReceivers[$i].Assembly -eq
   $assembly
      -and
   $spList.EventReceivers[$i].Class -eq    $class
      -and
   $spList.EventReceivers[$i].Type -eq    $type
       -and   $spList.EventReceivers[$i].Name -eq
   $Name)                      
   {      
      $spList.EventReceivers[$i].Delete()
   }
}
$spList.Update()