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Sometimes, we will have requirements to update a user property that is stored in Windows Active directory in C#.
The following code snippet will search for a user and update the mail property. Change the LDAP string to your infra's server name. I have narrowed down the search to search only users and with samaccountname property.
Include System.DirectoryServices namespace for the below code to work.
DirectorySearcher sea = null;
DirectoryEntry dir = null;
DirectoryEntry d = null;
try
{
dir = new DirectoryEntry();
dir.Path = "LDAP://MyADServer.com";
sea = new DirectorySearcher(dir);
sea.Filter = "(&(objectCategory=user)(samAccountName=" +txtUser.Text + "))";
SearchResult res = sea.FindOne();
d = new DirectoryEntry();
d.Path = res.Path;
d.Properties["mail"].Value = txtMail.Text;
d.CommitChanges();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
if (d != null)
{
d.Dispose();
}
if (sea != null)
{
sea.Dispose();
}
if (dir != null)
{
dir.Dispose();
}
}
If we see the above, I have called FindOne() method with the filter condition which returns a single search result.
Remember to call CommitChanges() method which commits the change to AD. Missing this method will have no updation on Active Directory.
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