Is there a way to authenticate Active Directory users from multiple Active Directory Domains

Is there a way to authenticate Active Directory users from multiple Active Directory Domains in ASP.NET Application using C# or VB.NET?

Suppose I have a LoginId "user1" from one of the three Active Directory Domains how can I authenticate it?

I have two Active Directory domains. I can authenticate from the Active Directory Domain
where my current system Account is logged in. But I can not
authenticate from other Active Di ...