protected void SaveSites() { // Remove old items string newValues = ValidationHelper.GetString(usSites.Value, null); string items = DataHelper.GetNewItemsInList(newValues, currentValues); if (!String.IsNullOrEmpty(items)) { string[] newItems = items.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries); if (newItems != null) { // Add all new items to site foreach (string item in newItems) { int siteId = ValidationHelper.GetInteger(item, 0); // Remove ResourceSiteInfoProvider.RemoveResourceFromSite(moduleId, siteId); } } } // Add new items items = DataHelper.GetNewItemsInList(currentValues, newValues); if (!String.IsNullOrEmpty(items)) { string[] newItems = items.Split(new char[] { ';' }, StringSplitOptions.RemoveEmptyEntries); if (newItems != null) { // Add all new items to site foreach (string item in newItems) { int siteId = ValidationHelper.GetInteger(item, 0); // Add ResourceSiteInfoProvider.AddResourceToSite(moduleId, siteId); } } } // Show message ShowChangesSaved(); }