private void pendingRequests_Click(object sender, RoutedEventArgs e) { staffs.Children.Clear(); parents.Children.Clear(); children.Children.Clear(); childRow.Clear(); parentRow.Clear(); staffRow.Clear(); SQLQuery mSQLQuery = new SQLQuery(); childList = mSQLQuery.childToLinkedList(mSQLQuery.getPendingChild()); parentList = mSQLQuery.parentToLinkedList(mSQLQuery.getPendingParent()); staffList = mSQLQuery.staffToLinkedList(mSQLQuery.getPendingStaff()); LinkedList <Child> notPending = new LinkedList <Child>(); foreach (Child c in childList) { DataTable dt = mSQLQuery.getParentByID(c.parentID); if (Convert.ToInt32(dt.Rows[0]["parentIsPending"]) == 1) { notPending.AddLast(c); } else { c.lastName = dt.Rows[0]["parentFirstName"].ToString(); } } foreach (Child c in notPending) { childList.Remove(c); } showPendingStaff(staffs); showPendingChildren(children); showPendingParent(parents); this.pendingRequestsPanel.Visibility = Visibility.Visible; this.profilePanel.Visibility = Visibility.Hidden; this.AdminFeedback.Visibility = Visibility.Hidden; this.editDatabasePanel.Visibility = Visibility.Hidden; roomPanel.Visibility = Visibility.Hidden; this.featuresPanel.Visibility = Visibility.Hidden; }