net10.0 
namespace System.Web
{
    public enum SameSiteMode
    {
        Lax = 1
    }
}
.NET
8.09.010.0
.NET Framework
4.7.24.84.8.1
Information specific to net10.0
Assembly

Microsoft.AspNetCore.SystemWebAdapters , Version=2.2.1.0, PublicKeyToken=adb9793829ddae60

Referencing

Your project needs a package reference to Microsoft.AspNetCore.SystemWebAdapters.

Package Microsoft.AspNetCore.SystemWebAdapters (2.2.1) net10.0
Platform Restrictions

This API is supported on all platforms.

  • Built-in API
  • Package-provided API