How to pass userid to ldap apache server in ASP.NET Core?

Question

public User Login()

{

string userid = "user1";

string ldapHost = "localhost:10389";

string searchBase = "o = company";

string searchFilters = "(objectClass=inetOrgPerson)(uid={0})";

int port = 389;

ldapConn.Connect(ldapHost, port);

ldapConn.Bind("uid = admin, ou = system", "secret");

var SearchFilters = string.Format(searchFilters, userid);

LdapSearchResults results = ldapConn.Search(searchBase,

LdapConnection.SCOPE_SUB,

SearchFilters,

null,

false

);

var user = results.next();

}

 

In var user I always a details of user3 randomly weather I pass uid or not?

How will I get particular user on bases of uid from ldap apache server I using novel directory extension in Asp.Net core.