problem to read UserLoginName of user from active directory on local network.

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Hi . Az you know every user that is defined in active directory has FirstName,LastName ,UserLoginName(sAMAccountName),Email,.... now i have FirstName+LastName of any users on my local network and i want to get UserLoginName of any users from server's active directory.what can i do?? and here my code::

C#

DirectoryServices.SearchResult myResult;
string filterString = string.Empty;
string EntryString  = "LDAP:// MyDomain";

DirectoryServices.DirectorySearcher myDirectorySearcher = new DirectoryServices.DirectorySearcher(new DirectoryServices.DirectoryEntry(EntryString));
string tempStr;
string[] splStr = new string[3];

filterString               = "CN="+FisrtAndLastNameOfUser;
myDirectorySearcher.Filter = filterString;
myDirectorySearcher.PropertiesToLoad.Add("UserName");
myResult    = myDirectorySearcher.FindOne();
splStr      = Regex.Split(myResult.Properties("UserName").Item(0).ToString, " ");
tempStr     = splStr(1).ToString + " " + splStr(0).ToString;

Label1.Text = "Hello " + tempStr;

The output of splStr=null; where is my wrong?? thanks a lot.

Posted 3-Apr-11 2:45am

farzane2009

Updated 3-Apr-11 3:07am

#realJSOP

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#realJSOP · Answer 1 · 2011-04-03T03:11:00

The most glaring problem I see is that in your call to the DirectoryEntry constructor, the string parameter has an invalid space in it, namely:

C#

"LDAP:// MyDomain"

It should be:

C#

"LDAP://MyDomain"

Second, you may be missing some parameters inside the string. I recommend that you google "C# DirectoryEntry", and go with one of the 546,000 examples that you get back.