创建一个全局变量 public double sumdb; private void datagrid1_itemcreated(object sender, system.web.ui.webcontrols.datagriditemeventargs e) { listitemtype lit=e.item.itemtype; if(lit==listitemtype.footer) { tablecell tc1=e.item.cells[3]; tablecell tc2=e.item.cells[4]; tablecell tc3=e.item.cells[5]; tablecell tc4=e.item.cells[6]; label l_xj=new label(); l_xj.id="lb_xj"; l_xj.width=30; l_xj.text="合计"; tc1.controls.add(l_xj); label l_sumdata=new label(); l_sumdata.id="l_sumdata"; l_sumdata.width=30; l_sumdata.text=sumdata(); tc2.controls.add(l_sumdata); label l_zj=new label(); l_zj.id="lb_zj"; l_zj.width=30; l_zj.text="总合计"; tc1.controls.add(l_zj); label l_sumpage = new label(); l_sumpage.id=”l_sumpage”; l_sumpage.width=30; l_sumpage.text = sumdb.tostring(); tc4.controls.add(l_sumpage); } } private void datagrid1_itemdatabound(object sender, system.web.ui.webcontrols.datagriditemeventargs e) { if(e.item.itemtype==listitemtype.alternatingitem e.item.itemtype==listitemtype.item) { if( convert.tostring( ((datarowview)e.item.dataitem)["m_sum"]) != string.empty) { datasum += convert.todouble(((datarowview)e.item.dataitem)["m_sum"]); } } } //m_sum 为合计的字段名,绑定在datagrid 的!
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