<asp:textbox id="textbox1" runat="server" width="240px"></asp:textbox>

<asp:button id="buttonok" runat="server" borderwidth="1px" bordercolor="purple" borderstyle="solid" text="search site"></asp:button> 

<script language="javascript">

function enterkeyclick(button)

{   

if (event.keycode == 13)

{         [www.iocblog.net 来源]

event.keycode=9;

event.returnvalue = false;

document.all[button].click();

}

}

</script>  

 private void page_load(object sender, system.eventargs e)
  { if (!ispostback)
   {bindgrid();}
  }
  private void datagrid1_editcommand(object source, system.web.ui.webcontrols.datagridcommandeventargs e)
  { datagrid1.edititemindex = e.item.itemindex;
   bindgrid();
  }
  private void datagrid1_cancelcommand(object source, system.web.ui.webcontrols.datagridcommandeventargs e)
  { datagrid1.edititemindex = -1;
   bindgrid();
  }
  void bindgrid()
  { oledbdataadapter1.fill(dataset11);
   datagrid1.databind();
  }