使用带有SqlCommandBuilder的TableAdapter和导出到DataTable的工作表更新SQL数据库表

I am exporting data from a spreadsheet worksheet range into a datatable (dtpHExportDataTable). When I call ShowResult(dtpHExportDataTable), the grid form displays the correct datatable information (headers and rows of data). Likewise, when I call ShowResult(resultsDataTable) the grid form displays the correct datatable information (the database table rows including the updated rows)I am exporting data from a spreadsheet workshee