给你写了一个例子。把下面的代码复制到网站里一个aspx文件,执行一下:<%@ Page Language="VB" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><script runat="server"> Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Me.TextBox1.Attributes("onkeydown") = "if(event.keyCode==13){var p=" + _ Me.Panel1.ClientID + ";p.innerHTML+= '<br />'+this.value;" + _ "p.scrollTop=p.scrollHeight; return false;}" End Sub
Me.TextBox1.Attributes("onkeydown") = "if(event.keyCode==13){var p=" + _
Me.Panel1.ClientID + ";p.innerHTML+= '<br />'+this.value;" + _
"p.scrollTop=p.scrollHeight; return false;}"
End Sub
</script><html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title>无标题页</title>
</head>
<body leftmargin="0" rightmargin="0">
<form id="form1" runat="server">
请输入:<asp:TextBox ID="TextBox1" runat="server" Width="736px"></asp:TextBox><hr />
<asp:Panel ID="Panel1" runat="server" Height="328px" Width="100%" ScrollBars="Auto">
<span style="color: Red">H</span>ello</asp:Panel>
<hr />
底下是我的地盘
</form>
</body>
</html>