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How to Return all user attributes given their samaccountname

I'm trying to return the First Name and Last Name of a user by only providing the samaccountname to the search filter.
protected void Page_Load(object sender, EventArgs e)
    {
        GetActiveADUsers("LDAP://adBox.company.com", "CN=samaccountname=domain\\user");
    }
 
    public void GetActiveADUsers(string ldapString, string adSearchFilter)
    {
        DirectoryEntry de = new DirectoryEntry(ldapString,"domain\\username","password");
        DirectorySearcher deSearch = new DirectorySearcher();
        deSearch.SearchRoot = de;
 
        deSearch.SearchScope = SearchScope.Subtree; //Including the sub OU's
        deSearch.Filter = adSearchFilter;
        SearchResultCollection result = deSearch.FindAll();
 
        //Get User Array Here
        for (int x = 0; x < result.Count; x++)
        {
            string firstLastName = Convert.ToBoolean(result[x].Properties["name"].Count > 0) ? result[x].Properties["name"][0].ToString() : "";
            
            System.Web.HttpContext.Current.Response.Write(firstLastName + "<br />");
 
        }
    }

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kvigor
Asked:
kvigor
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1 Solution
 
Chris DentPowerShell DeveloperCommented:

Hey :)

I would do this...

Chris
protected void Page_Load(object sender, EventArgs e)
    {
        // Modified the ldapFilter so it searches for sAMAccountName
        GetActiveADUsers("LDAP://adBox.company.com", "(samaccountname=user)");
    }
 
    public void GetActiveADUsers(string ldapString, string adSearchFilter)
    {
        DirectoryEntry de = new DirectoryEntry(ldapString,"domain\\username","password");
        DirectorySearcher deSearch = new DirectorySearcher(de, adSearchFilter);
        // Passed in the constructor
        // deSearch.SearchRoot = de;
 
        // SubTree is the default, so really not required here. 
        deSearch.SearchScope = SearchScope.Subtree; //Including the sub OU's
        // Passed in the constructor
        // deSearch.Filter = adSearchFilter;
        // The sAMAccountName is a unique attribute in the search scope (single domain)
        // FindOne() saves us a loop or two
        SearchResult result = deSearch.FindOne();
 
        string firstName = result.Properties["givenname"][0].ToString();
        string lastName = result.Properties["sn"][0].ToString();
        string fullName = result.Properties["name"][0].ToString();
        string displayName = result.Properties["displayname"][0].ToString();        
    
        System.Web.HttpContext.Current.Response.Write(firstLastName + "<br />");
    }

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kvigorAuthor Commented:
I'll try this solution in the morning.
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kvigorAuthor Commented:
I get the following error with your code:

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:
Line 41:         //string lastName = result.Properties["sn"][0].ToString();
Line 42:         //string fullName = result.Properties["name"][0].ToString();
Line 43:         string displayName = result.Properties["displayname"][0].ToString();
Line 44:
Line 45:         System.Web.HttpContext.Current.Response.Write(displayName + "<br />");
 I'm using the exact code you posted???
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Chris DentPowerShell DeveloperCommented:

Suggests that displayName is blank (in AD). Does name return correctly?

Chris
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kvigorAuthor Commented:
All properties returned blank: sn, name, and displayName.  I commented them out one by one thinking the same thing but I know I have a name and displayname as I tested my account.
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Chris DentPowerShell DeveloperCommented:

Okay, I must have done something wrong then. One sec.

Chris
0
 
kvigorAuthor Commented:
I inserted the domain\username here:
(samaccountname=domain\\username)
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Chris DentPowerShell DeveloperCommented:

That won't work.

sAMAccountName in the directory is just the username, domain doesn't get a look in there.

Chris
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Chris DentPowerShell DeveloperCommented:

I get no problems provided the search filter is correct. You could always test to see if the result is null? But that doesn't help much if it's supposed to return something :)

Anyway, take out the domain from the search filter, it can't be included there.

Chris
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kvigorAuthor Commented:
So what am I not getting, I'm using this to get the samaccountname:
   username = User.Identity.Name.ToString();
and I'm passing in username var to here:
   GetActiveADUsers("LDAP://adBox.company.com", "HERE");  is there way this will work
 I'm actually going to get the fullname/display name from a different namespace because the directoryservices namespace may not be as user friendly as I need it to be.
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Chris DentPowerShell DeveloperCommented:

As long as the "Name" value above is only the user name, and not "domain\username" then it's fine. Although with the code above it's expecting you to pass a valid LDAP filter (perhaps like "(samAccountName=" + username + ")").

That'll break a bit if you use the same user name in the authentication string for the directory entry and expect it to have the domain name there. If that is the case I would say pass user and domain as separate values, or build the filter in the function, parsing the username out of "domain\user".

Chris
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kvigorAuthor Commented:
ohhhh! So Sorry that DID work I didn't understand what you meant by:
ID: 24764619 "domain doesn't get a look in there."
So I removed the "domain\" and all returned well. Thanks you saved me alot of time.

Your Solution like Ambien it Worked like a Dream : ^)
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kvigorAuthor Commented:
User was perfect in solution.
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