EventReciever шаблон

В Elements.xml указываем конкретный список

<?xml version="1.0" encoding="utf-8"?>
<Elements xmlns="http://schemas.microsoft.com/sharepoint/">
 <Receivers ListUrl="/request/proxy/Lists/Proxy">  //ВОТ ТУТ
   <Receiver>
        <Name>ProxyERItemAdded</Name>
        <Type>ItemAdded</Type>
        <Assembly>$SharePoint.Project.AssemblyFullName$</Assembly>
        <Class>PAC.Proxy.ProxyER.ProxyER</Class>
        <SequenceNumber>10000</SequenceNumber>
      </Receiver>
      <Receiver>
        <Name>ProxyERItemUpdated</Name>
        <Type>ItemUpdated</Type>
        <Assembly>$SharePoint.Project.AssemblyFullName$</Assembly>
        <Class>PAC.Proxy.ProxyER.ProxyER</Class>
        <SequenceNumber>10000</SequenceNumber>
      </Receiver>
  </Receivers>
</Elements>

В Feature1 оставляем Web части, область Site, в Feature2 только EventReciever, область Web

Шаблон:

/// <summary>
/// Добавлен элемент.
/// </summary>
public override void ItemAdded(SPItemEventProperties properties)
{
    base.ItemAdded(properties);
    Execute(properties);
}

/// <summary>
/// Обновлен элемент.
/// </summary>
public override void ItemUpdated(SPItemEventProperties properties)
{
    base.ItemUpdated(properties);
    Execute(properties);
}

/// <summary>
/// Выполнение
/// </summary>
/// <param name="properties"></param>
void Execute(SPItemEventProperties properties)
{
    try
    {

    }
    catch (Exception e)
    {
        SendError(properties.ListItem, e.Message);
        throw;
    }
}

/// <summary>
/// Отправляем письмо
/// </summary>
/// <param name="to"></param>
/// <param name="subject"></param>
/// <param name="body"></param>
private void SendMessage(string to, string subject, string body)
{
    SmtpClient sc = new SmtpClient("casarray.pac.local");
    MailMessage msg = new MailMessage();
    msg.IsBodyHtml = true;
    msg.From = new MailAddress("sharepoint@pac.ru");

    msg.To.Add(to);
    //msg.To.Add("v.fedunov@pac.ru");
    //msg.Bcc.Add("v.fedunov@pac.ru");
    //msg.Bcc.Add("e.gelvig@pac.ru");
    //msg.Bcc.Add("sharepoint@pac.ru");
    msg.Subject = subject;

    //msg.Body = to + "<br/>";
    msg.Body = body;

    //Отправляем
    sc.Send(msg);
}

/// <summary>
/// Отправляем письмо с ошибкой
/// </summary>
/// <param name="to"></param>
/// <param name="subject"></param>
/// <param name="body"></param>
private void SendErrorMessage(string to, string subject, string body)
{
    SmtpClient sc = new SmtpClient("casarray.pac.local");
    MailMessage msg = new MailMessage();
    msg.IsBodyHtml = true;
    msg.From = new MailAddress("sharepoint@pac.ru");

    msg.To.Add(to);

    msg.Subject = subject;
    msg.Body = body;
    //Отправляем
    sc.Send(msg);
}

/// <summary>
/// Обновление элемента
/// </summary>
/// <param name="item"></param> 
void DoUpdate(SPListItem item)
{
    SPItemEventReceiverHandling rh = new SPItemEventReceiverHandling();
    rh.DisableEventFiring();
    //Статус выполнения ER
    item["EventStatus"] = "Завершен";
    //Обновляем
    item.Update();
    rh.EnableEventFiring();
}

/// <summary>
/// Системное обновление элемента
/// </summary>
/// <param name="item"></param>
void DoSystemUpdate(SPListItem item)
{
    SPItemEventReceiverHandling rh = new SPItemEventReceiverHandling();
    rh.DisableEventFiring();
    //Статус выполнения ER
    item["EventStatus"] = "Завершен";
    //Обновляем
    item.SystemUpdate();
    rh.EnableEventFiring();
}

/// <summary>
/// Смена статуса
/// </summary>
/// <param name="status"></param>
/// <param name="itm"></param>
void SetStatus(string status, SPListItem itm)
{
    SPItemEventReceiverHandling rh = new SPItemEventReceiverHandling();

    itm["EventStatus"] = status;

    rh.DisableEventFiring();
    itm.Update();
    rh.EnableEventFiring();
}

// <summary>
/// Отправка ошибки
/// </summary>
/// <param name="itm"></param>
/// <param name="error"></param>        
void SendError(SPListItem itm, string error)
{
    SetStatus("Ошибка", itm);
    SendErrorMessage("v.fedunov@pac.ru", "Event error", "List: " + itm.Web.Site.Url + itm.ParentList.DefaultDisplayFormUrl + "?ID=" + itm.ID + "<br/>" + error);
}

private class SPItemEventReceiverHandling : SPItemEventReceiver
{
    public SPItemEventReceiverHandling()
    {
    }

    new public void DisableEventFiring()
    {
        base.EventFiringEnabled = false;
    }

    new public void EnableEventFiring()
    {
        base.EventFiringEnabled = true;
    }
}