private async void UpdateBorrowTime() { var newBorrowTime = Commons.ShowDateTimeInputDialog(this, dtpExpecteBorTime.Value, "新的截止时间:", "延期募集", 200); var r = new Dictionary <string, object>(); r["pid"] = m_pId; r["datepoint"] = newBorrowTime; var p = await Projects.UpdateDelayDate(r); if (p.IsOk) { UpdateData1(); } else { Commons.ShowResultErrorBox(this, p); } }