在选择 RadioButtonList &时,是否有任何关于加载图片的建议? DropDwonList ??或者在页面加载时可能会输入一些消息,例如 “Please Wait .. Page is Loading” 。加载AutoPostBack的图像。我有一个主页。
这是webform
<td class="auto-style177">
<asp:Panel ID="Panel101" runat="server" Visible="False">
<asp:RadioButtonList ID="rbPembeli2" runat="server" CellPadding="0" CellSpacing="0"
Font-Size="X-Small" Height="20px" RepeatDirection="Horizontal" Width="277px"
AutoPostBack="True" OnSelectedIndexChanged="rbPembeli2_SelectedIndexChanged">
<asp:ListItem Value="9">HQ ANA EDAR</asp:ListItem>
<asp:ListItem Text="PDA/PPN" Value="0"></asp:ListItem>
<asp:ListItem Text="PPP/PPW" Value="5"></asp:ListItem>
</asp:RadioButtonList></asp:Panel>
</td>
这是Js
function ShowProgress() {
setTimeout(function () {
var modal = $('<div />');
modal.addClass("modal");
$('body').append(modal);
var loading = $(".loading");
loading.show();
var top = Math.max($(window).height() / 2 - loading[0].offsetHeight / 2, 0);
var left = Math.max($(window).width() / 2 - loading[0].offsetWidth / 2, 0);
loading.css({ top: top, left: left });
}, 200);
}
$('form').live("submit", function () {
ShowProgress();
});
答案 0 :(得分:1)
更改如下,
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Panel ID="Panel101" runat="server" Visible="False">
<asp:RadioButtonList ID="rbPembeli2" runat="server" CellPadding="0" CellSpacing="0"
Font-Size="X-Small" Height="20px" RepeatDirection="Horizontal" Width="277px"
AutoPostBack="True" OnSelectedIndexChanged="rbPembeli2_SelectedIndexChanged">
<asp:ListItem Value="9">HQ ANA EDAR</asp:ListItem>
<asp:ListItem Text="PDA/PPN" Value="0"></asp:ListItem>
<asp:ListItem Text="PPP/PPW" Value="5"></asp:ListItem>
</asp:RadioButtonList></asp:Panel>
</ContentTemplate>
</asp:UpdatePanel>
<asp:UpdateProgress ID="UpdateProgress1" runat="server">
<ProgressTemplate>
<div id="Background">
</div>
<div id="Progress">
<img src="images/loading.gif" alt="" />
</div>
</ProgressTemplate>
</asp:UpdateProgress>
loading.gif,您可以从谷歌下载任何gif文件。
包含在CSS下面,
#Background
{
position: fixed;
top: 0px;
bottom: 0px;
left: 0px;
right: 0px;
background-color: Gray;
filter: alpha(opacity=40);
opacity: 0.4;
z-index: 1006;
}
#Progress
{
position: fixed;
top: 30%;
left: 48%;
z-index: 1006;
}
不要使用任何JS。