private void SetEvent() { if (string.IsNullOrEmpty(selectedTriggerEvent)) { return; } if (selectedTriggerEvent.Equals("INSERT")) { queryBuilder = queryBuilder.Insert(); } else if (selectedTriggerEvent.Equals("UPDATE")) { queryBuilder = queryBuilder.Update(); } else if (selectedTriggerEvent.Equals("UPDATE OF")) { queryBuilder = queryBuilder.Update(Columns.Where(x => x.IsSelected).Select(x => x.ColumnName).ToList()); } else { queryBuilder = queryBuilder.Delete(); } }