C# 在ASP.NETAjax中显示加载长时间运行进程的图像/进度条
在ASP.NETAjax应用程序中执行长时间运行的进程时,如何为用户显示加载图像?除了使用页面方法,还有其他方法吗?有什么想法吗?在客户端,您可以连接Sys.WebForms.PageRequestManager BeginRequest:C# 在ASP.NETAjax中显示加载长时间运行进程的图像/进度条,c#,asp.net,ajax,long-running-processes,C#,Asp.net,Ajax,Long Running Processes,在ASP.NETAjax应用程序中执行长时间运行的进程时,如何为用户显示加载图像?除了使用页面方法,还有其他方法吗?有什么想法吗?在客户端,您可以连接Sys.WebForms.PageRequestManager BeginRequest: <script type="text/javascript" language="javascript"> Sys.WebForms.PageRequestManager.getInstance().add_beg
<script type="text/javascript" language="javascript">
Sys.WebForms.PageRequestManager.getInstance().add_beginRequest(BeginRequestHandler);
Sys.WebForms.PageRequestManager.getInstance().add_endRequest(EndRequestHandler);
function BeginRequestHandler(sender, args)
{
var elem = args.get_postBackElement();
ActivateAlertDiv('visible', 'AlertDiv', elem.value + ' processing...');
}
function EndRequestHandler(sender, args)
{
ActivateAlertDiv('hidden', 'AlertDiv', '');
}
function ActivateAlertDiv(visstring, elem, msg)
{
var adiv = $get(elem);
adiv.style.visibility = visstring;
adiv.innerHTML = msg;
}
</script>
Sys.WebForms.PageRequestManager.getInstance().add_beginRequest(BeginRequestHandler);
Sys.WebForms.PageRequestManager.getInstance().add_endRequest(EndRequestHandler);
函数BeginRequestHandler(发送方,参数)
{
var elem=args.get_postBackElement();
ActivateAlertDiv('visible','AlertDiv',elem.value+'processing…');
}
函数EndRequestHandler(发送方,参数)
{
ActivateAlertDiv('hidden','AlertDiv','');
}
函数ActivateAlertDiv(visstring、elem、msg)
{
var adiv=$get(要素);
adiv.style.visibility=visstring;
adiv.innerHTML=msg;
}
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