在页面中加入;
<script>
function minus()
{
if (event.srcElement.value!=null)
document.all('TextBox2').value=33-event.srcElement.value.length;
}
</script>
在后台(C3#)中加入:
private void Page_Load(object sender, System.EventArgs e)
{
if(!IsPostBack)
{
TextBox1.Attributes.Add("onkeyup","minus()");
}
<script>
function minus()
{
if (event.srcElement.value!=null)
document.all('TextBox2').value=33-event.srcElement.value.length;
}
</script>
在后台(C3#)中加入:
private void Page_Load(object sender, System.EventArgs e)
{
if(!IsPostBack)
{
TextBox1.Attributes.Add("onkeyup","minus()");
}
type="text" size="6" onkeypress="change()"><INPUT id="text2" style="Z-INDEX: 102; LEFT: 152px; WIDTH: 72px; POSITION: absolute; TOP: 160px; HEIGHT: 32px"
type="text" size="6" value="33"> </FONT>
<script language="javascript">
function change()
{
document.getElementById("text2").value = parseInt(document.getElementById("text2").value)-1;
}
</script>
<INPUT id="text2" style="Z-INDEX: 102; LEFT: 152px; WIDTH: 72px; POSITION: absolute; TOP: 160px; HEIGHT: 32px" type="text" size="6" value="33"> </FONT>
<script language="javascript">
function change()
{
document.getElementById("text2").value = parseInt(document.getElementById("text2").value)-1;
}
</script>