private void Query() { ManagementViewModel mv = DataContext as ManagementViewModel; int pageCount = 0; List <LogInformation> accounts = mv.GetTradeALogInfoWithPage(dataPager.PageIndex, dataPager.PageSize, ref pageCount, (int)mv.LogRequestInfo.LogType, mv.LogRequestInfo.StartTime, mv.LogRequestInfo.EndTime, this.TxbAccount.Text.Trim()); dataPager.PageCount = pageCount; //dgGrid.DataContext = accounts; }