private void SaveGrids() { List<tblTask> listOfFiles = gdTasks.DataSource as List<tblTask>; tblTaskDap newdap = new tblTaskDap(); foreach (eProtocolData.Entities.tblTask item in bsTasks) { if (item.fldProjectID != null) { newdap.Update(item); } else { item.fldProjectID = _tblProject.fldProjectID; newdap.Insert(item); } } }