Getting manager username from fully distinguished domain name

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C#

ASP.NET

Hello,

I am using the following code to get the fully distinguished domain name of the manager field of various users across a domain. I would like to get the actual windows username of the manager in the shortest number of lines possible. Would someone be kind enough to explain the easiest way of getting the username of the manager from the fully distinguished domain name?

Thanks!

DirectorySearcher dSearch = new DirectorySearcher("LDAP ConnString");
dSearch.Filter = "(sAMAccountName=" + txtUsername.Text + ")";
SearchResult sResult = dSearch.FindOne();
DirectoryEntry dResult = sResult.GetDirectoryEntry();

string strRawManager = dResult.Properties["manager"][0].ToString();