--- loncom/homework/grades.pm	2003/06/12 20:11:07	1.95
+++ loncom/homework/grades.pm	2003/06/13 15:43:28	1.96
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.95 2003/06/12 20:11:07 albertel Exp $
+# $Id: grades.pm,v 1.96 2003/06/13 15:43:28 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -466,8 +466,13 @@ LISTJAVASCRIPT
 	'onClick="javascript:checkSelect(this.form.stuinfo);" '.
 	'value="'.$viewgrade.'" /></form>'."\n";
     if ($ctr == 0) {
-	$gradeTable='<br />&nbsp;<font color="red">'.
-	    'No submission found for this resource.</font><br />';
+	my $num_students=(scalar(keys(%$fullname)));
+	if ($num_students eq 0) {
+	    $gradeTable='<br />&nbsp;<font color="red">There are no students currently enrolled.</font>';
+	} else {
+	    $gradeTable='<br />&nbsp;<font color="red">'.
+		'No submissions found for this resource for any students. ('.$num_students.' checked for submissions</font><br />';
+	}
     } elsif ($ctr == 1) {
 	$gradeTable =~ s/type=checkbox/type=checkbox checked/;
     }
@@ -1924,6 +1929,10 @@ sub viewgrades {
     $result.='<input type="hidden" name="total" value="'.$ctr.'" />'."\n";
     $result.='<input type="button" value="Submit Changes" '.
 	'onClick="javascript:submit();" TARGET=_self /></form>'."\n";
+    if (scalar(%$fullname) eq 0) {
+	my $colspan=3+scalar(@parts);
+	$result='<font color="red">There are no students in section "'.$ENV{'form.section'}.'" with enrollment status "'.$ENV{'form.status'}.'" to modify or grade.</font>';
+    }
     $result.=&show_grading_menu_form($symb,$url);
     return $result;
 }