在线等,怎么获得spin控件的点击上下箭头的
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<head runat="server">
<title>无标题页</title>
<script type="text/javascript" language="javascript">
function addOne()
{
var showControl = document.getElementById("txtNumber");
showControl.value = parseInt(showControl.value) + 1;
}
function removeOne()
{
var showControl = document.getElementById("txtNumber");
showControl.value = parseInt(showControl.value) - 1;
<title>无标题页</title>
<script type="text/javascript" language="javascript">
function addOne()
{
var showControl = document.getElementById("txtNumber");
showControl.value = parseInt(showControl.value) + 1;
}
function removeOne()
{
var showControl = document.getElementById("txtNumber");
showControl.value = parseInt(showControl.value) - 1;
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