<head id="Head1" runat="server">
<title></title>
<style type="text/css">
.modal
{
position: fixed;
top: 0;
left: 0;
background-color: black;
z-index: 99;
opacity: 0.8;
filter: alpha(opacity=80);
-moz-opacity: 0.8;
min-height: 100%;
width: 100%;
}
.loading
{
font-family: Arial;
font-size: 10pt;
border: 5px solid #67CFF5;
width: 200px;
height: 100px;
display: none;
position: fixed;
background-color: White;
z-index: 999;
}
</style>
<script type="text/javascript">
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);
}
</script>
</head>
<body>
<form id="form1" runat="server">
Country:
<asp:DropDownList ID="ddlCountries" runat="server">
<asp:ListItem Text="All" Value="" />
<asp:ListItem Text="USA" Value="USA" />
<asp:ListItem Text="Brazil" Value="Brazil" />
<asp:ListItem Text="France" Value="France" />
<asp:ListItem Text="Germany" Value="Germany" />
</asp:DropDownList>
<asp:RequiredFieldValidator ErrorMessage="Required" ControlToValidate="ddlCountries"
runat="server" />
<asp:Button ID="btnSubmit" runat="server" Text="Load Customers" OnClick="btnSubmit_Click" />
<hr />
<asp:GridView ID="gvCustomers" runat="server" AutoGenerateColumns="false">
<Columns>
<asp:BoundField DataField="CustomerId" HeaderText="Customer Id" />
<asp:BoundField DataField="ContactName" HeaderText="Contact Name" />
<asp:BoundField DataField="City" HeaderText="City" />
</Columns>
</asp:GridView>
<div class="loading" align="center">
Loading. Please wait.<br />
<br />
<img src="loader.gif" alt="" />
</div>
</form>
<script type="text/javascript">
function WebForm_OnSubmit() {
if (typeof (ValidatorOnSubmit) == "function" && ValidatorOnSubmit() == false) {
for (var i in Page_Validators) {
try {
} catch (e) { }
}
return false;
}
ShowProgress();
return true;
}
</script>
</body>
</html>
