https://learn.microsoft.com/pt-pt/dotnet/api/system.web.ui.webcontrols.formviewinserteventargs?view=netframework-4.8.1&viewFallbackFrom=net-9.0
FormViewInsertEventArgs Class (System.Web.UI.WebControls) | Microsoft Learn
Provides data for the ItemInserting event.
class systemweb uimicrosoftlearn