//重新整理附件清單
this.sqldatasource_equipmentfiles.selectparameters["pa_id"].defaultvalue = str_equipmentno;//儀器編号
gridview_equipmentfiles.databind();
前台頁面:
<asp:sqldatasource ....>
<selectparameters>
<asp:parameter defaultvalue="" name="pa_id" type="string" />
</selectparameters>
</asp:sqldatasource>