如何使用 Javascript 禁用或启用 .NET 框架的文件上传控制?
有没有人有想法,请帮忙。
提前致谢。
尝试这样做:
<script type = "text/javascript">
function EnableDisable(rbl) {
var rb = rbl.getElementsByTagName("input");
document.getElementById("<%=FileUpload1.ClientID %>").disabled = true;
for (var i = 0; i < rb.length; i++) {
if (rb[i].value == 1 && rb[i].checked) {
document.getElementById("<%=FileUpload1.ClientID %>").disabled = false;
}
}
}
</script>
<form runat = "server">
<asp:RadioButtonList ID="RadioButtonList1" runat="server" onclick = "EnableDisable(this)">
<asp:ListItem Text = "Yes" Value = "1"></asp:ListItem>
<asp:ListItem Text = "No" Value = "2"></asp:ListItem>
</asp:RadioButtonList>
<asp:FileUpload ID="FileUpload1" runat="server" disabled = "disabled"/>
</form>
采用
document.getElementById(FileUploadControlID).disabled = true;