private void btnCancelRemain_Click(object sender, System.EventArgs e) { try { if (txtSeat.Text == "") { throw new BusinessException("展位预留", "请选择展位"); } if (txtSeat.Tag == null || txtSeat.Tag.ToString() == "") { throw new BusinessException("展位预留", "请选择展位"); } if (null == cmbShow.SelectedItem) { throw new BusinessException("展位预留", "请选择招聘会"); } if (null == cmbFloor.SelectedItem) { throw new BusinessException("展位预留", "请选择展位大厅"); } ShowSeat seat = new ShowSeat(); seat.cnnJobID = int.Parse(cmbShow.SelectedItem.DataValue.ToString()); seat.cnvcJobName = cmbShow.SelectedItem.DisplayText; seat.cnvcSeat = txtSeat.Text; seat.cnvcFloor = cmbFloor.SelectedItem.DataValue.ToString(); seat.cnvcOperName = this.oper.cnvcOperName; seat.cndOperDate = DateTime.Now; JobManage jobManage = new JobManage(); jobManage.CancelSeatRemain(seat); MessageBox.Show(this, "展位取消预留成功!", "展位预留", MessageBoxButtons.OK, MessageBoxIcon.Information); LoadPanel(); } catch (BusinessException bex) { MessageBox.Show(this, bex.Message, bex.Type, MessageBoxButtons.OK, MessageBoxIcon.Error); } catch (System.Exception ex) { MessageBox.Show(this, ex.Message, "系统错误", MessageBoxButtons.OK, MessageBoxIcon.Error); } }