private void UpdateDirInfo(DirectoryEntry de,VirtualDirectory vd)
{

de.Properties["AnonymousUserName"][0] = vd.AnonymousUserName;
de.Properties["AnonymousUserPass"][0] = vd.AnonymousUserPass;
de.Properties["AccessRead"][0] = vd.AccessRead;
de.Properties["AccessExecute"][0] = vd.AccessExecute;
de.Properties["AccessWrite"][0] = vd.AccessWrite;
de.Properties["AuthBasic"][0] = vd.AuthBasic;
de.Properties["AuthNTLM"][0] = vd.AuthNTLM;
de.Properties["ContentIndexed"][0] = vd.ContentIndexed;
de.Properties["EnableDefaultDoc"][0] = vd.EnableDefaultDoc;
de.Properties["EnableDirBrowsing"][0] = vd.EnableDirBrowsing;
de.Properties["AccessSSL"][0] = vd.AccessSSL;
de.Properties["AccessScript"][0] = vd.AccessScript;
de.Properties["DefaultDoc"][0] = vd.DefaultDoc;
de.Properties["Path"][0] = vd.Path;
de.Properties["AppIsolated"][0]=vd.Protection;
de.Properties["DontLog"][0]=vd.Log;
de.Properties["AccessSource"][0]=vd.AccessSource;
de.CommitChanges();
}