void setToValid(int isvalid) { List <int> idList = new List <int>(); foreach (TruckInfo item in dataGrid1.Items) { if (item.IsChecked) { idList.Add(item.Id); } } if (idList.Count > 0) { int i = x_tService.UpdateToValid(idList, isvalid); InitData(dataPager1.PageIndex); chk_all.IsChecked = false; } }