progressbar
<style type="text/css">
.overlay
{
position: fixed;
z-index: 98;
top: 0px;
left: 0px;
right: 0px;
bottom: 0px;
background-color: #aaa;
filter: alpha(opacity=80);
opacity: 0.8;
}
.overlayContent
{
z-index: 99;
margin: 250px auto;
width: 80px;
height: 80px;
}
.overlayContent h2
{
font-size: 18px;
font-weight: bold;
color: #000;
}
.overlayContent img
{
width: 80px;
height: 80px;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager ID="ScriptManager1" runat="server">
</asp:ScriptManager>
<asp:UpdatePanel ID="UpdatePanel1" runat="server">
<ContentTemplate>
<asp:Button ID="Button1" runat="server" Text="Click Me" onclick="Button1_Click" />
</ContentTemplate>
</asp:UpdatePanel>
<asp:UpdateProgress ID="UpdateProgress1" runat="server" DisplayAfter="0" AssociatedUpdatePanelID="UpdatePanel1">
<ProgressTemplate>
<div class="overlay" />
<div class="overlayContent">
<h2>Cargando...<img src="Images/ajax-loader.gif" alt="Loading" border="1" /></h2>
</div>
</ProgressTemplate>
</asp:UpdateProgress>
protected void Button1_Click(object sender, EventArgs e)
{
// System.Threading.Thread.Sleep(3000);
System.Threading.Thread.Sleep(-1);
}
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