在.aspx页面中添加：
<SCRIPT LANGUAGE="javascript">
function SubmitKeyClick(button)
{
if (event.keyCode != 13) ;return;
{
event.keyCode=9;
event.returnValue = false;
document.all[button].click();
}
}</SCRIPT>
在Page_Load事件中添加：
textbox1.Attributes.Add("onkeydown","SubmitKeyClick('btnOK');");
前台代码
<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width='<%=focus_width %>' height='<%=swf_height %>'>
<pa ......
