/// <summary>
        /// 删除
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnDelete_Click(object sender, EventArgs e)
        {
            int n = dataGridView1.SelectedRows.Count;

            if (n == 0)
            {
                MessageDialog.ShowPromptMessage("请选择需要删除的数据行!");
            }
            else
            {
                string[] arrayCode = new string[n];

                for (int i = 0; i < n; i++)
                {
                    arrayCode[i] = dataGridView1.SelectedRows[i].Cells[0].Value.ToString();
                }

                if (MessageBox.Show("您是否确定要删除供应商与责任人的关系信息?", "消息", MessageBoxButtons.YesNo,
                                    MessageBoxIcon.Question) == DialogResult.Yes)
                {
                    for (int i = 0; i < arrayCode.Length; i++)
                    {
                        if (!m_providerServer.DeleteProvider(arrayCode[i], txtPersonnel.Tag.ToString(), out m_findProvider, out m_err))
                        {
                            MessageDialog.ShowPromptMessage(m_err);
                            return;
                        }
                    }

                    MessageDialog.ShowPromptMessage("删除成功");
                }
                else
                {
                    return;
                }
            }

            RefreshDataGridView(m_findProvider);
            RefreshControl();
        }