查看这些教程/讨论如果他们帮助 -

如何使用Forms身份验证和Visual C＃对Active Directory进行身份验证.NET [ ^ ]

使用C＃根据LDAP对用户进行身份验证 [ ^ ]



希望，它有帮助：）

Can anyone tell me sample code how we can authenticate user by using ldap server in C# for an console application. I am new to .net so please help.

Thanks.

Check these tutorial/discussion if they help-
How to authenticate against the Active Directory by using Forms authentication and Visual C# .NET[^]
Using C# to authenticate user against LDAP[^]

Hope, it helps :)