private void btnUpdate_Click(object sender, EventArgs e)
 {
     if (dataGridView1.Rows.Count > 0)
     {
         if (!m_serverFrockStandingBook.UpdateFrockOperation(m_strBillNo, m_intGoodsID,
                                                             (DataTable)dataGridView1.DataSource, m_businessType, out m_strErr))
         {
             MessageDialog.ShowPromptMessage(m_strErr);
             return;
         }
         else
         {
             MessageDialog.ShowPromptMessage("提交成功");
             this.Close();
         }
     }
 }