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I'm able to connect to AD and retrieve the value of mail for one user (for example, "jones") successfully, with the following code
public void lookupOne(
String domainAndUsername = domain + @"\" + username
DirectoryEntry entry = new DirectoryEntry(_path, domainAndUsername, pwd)
tr
{
Object obj = entry.NativeObject
DirectorySearcher search = new DirectorySearcher(entry)
search.Filter = "(SAMAccountName=" + username + ")"
search.PropertiesToLoad.Add("mail")
SearchResult result = search.FindOne()
_path = result.Path
_filterAttribute = (String)result.Properties["mail"][0]
Label1.Text = _path
Label2.Text = _filterAttribute
catch (Exception ex){
But, I want to retrieve the mail addresses for all users whose names are "jon*". The following code doesn't work - it throws an exception. Can someone tell me what I need to do here
public void lookupAll(
String domainAndUsername = domain + @"\" + username
DirectoryEntry entry = new DirectoryEntry(_path, domainAndUsername, pwd)
tr
{
Object obj = entry.NativeObject
DirectorySearcher search = new DirectorySearcher(entry);
search.PropertiesToLoad.Add("mail")
search.Filter = "(&(objectclass=user)(sAMAccountName=" + UserName + "))"
SearchResultCollection resultCollection = search.FindAll()
Label1.Text = resultCollection.Count.ToString()
catch (Exception ex) {
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