<asp:TextBox id="txt1" runat="server" onchange="txtchange()"></asp:TextBox>
<asp:TextBox id="txt1" runat="server" visible="false"></asp:TextBox><script language="javascript">
function txtchange()
{
alert("please write it again!");
document.getElementById("txt1").style.display="block";
}
</script>
这样不能显示,用style.visibility="visible"也不行,求高手帮个忙。
<asp:TextBox id="txt1" runat="server" visible="false"></asp:TextBox><script language="javascript">
function txtchange()
{
alert("please write it again!");
document.getElementById("txt1").style.display="block";
}
</script>
这样不能显示,用style.visibility="visible"也不行,求高手帮个忙。
<asp:TextBox id="txt1" runat="server" style="display:none"></asp:TextBox>
控件id.Attributes.Add("onchange","txtChange()")这样可以为控件注册