dataGridView设置单元格内容的显示格式CellFormatting

#region 设置单元格内容的显示格式
        private void dataGridView_main_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
        {
            #region 会诊方式判断
            int requestType_column_index = 9;
            if (e.ColumnIndex == requestType_column_index)
            {
                string sval = (e.Value ?? "").ToString();
                switch (sval)
                {
                    case "1": e.Value = "视频"; break;
                    case "2": e.Value = "电话"; break;
                }
            }
            #endregion
            #region 会诊状态判断
            int status_column_index = 11;
            if (e.ColumnIndex == status_column_index)
            {
                string sval = (e.Value ?? "").ToString();
                if (sval == "0")
                {
                    e.Value = "已申请";
                }
                else if (sval == "1")
                {
                    e.Value = "已审批";
                }
                else if (sval == "2")
                {
                    e.Value = "已分诊";
                }
                else if (sval == "3")
                {
                    e.Value = "已报告";
                }
                else if (sval == "4")
                {
                    e.Value = "已完成";
                }
                else if (sval == "5")
                {
                    e.Value = "已删除";
                }
            #endregion
            }
        } 
        #endregion