https://learn.microsoft.com/en-us/dotnet/api/system.web.ui.clientscriptmanager.getwebresourceurl?view=netframework-4.8.1&redirectedfrom=MSDN
ClientScriptManager.GetWebResourceUrl(Type, String) Method (System.Web.UI) | Microsoft Learn
Gets a URL reference to a resource in an assembly.
system webtypestringmethodui