<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">
protected void btnDeleteAll_Click(object sender, EventArgs e)
{
if (FileHelper.DeleteAll() == true)
{
string script = @"alert('All Files Deleted Successfully!');";
ScriptManager.RegisterStartupScript(this, this.GetType(), "filesDeleted", script, true);
}
}
</script>
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>Show Alert UpdatePanel</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:ScriptManager
id="sm1"
Runat="server" />
<asp:UpdatePanel id="up1" runat="server">
<ContentTemplate>
UpdatePanel Time: <%= DateTime.Now.ToString("T") %>
<br />
<asp:Button
id="btnDeleteAll"
Text="Delete All Files"
OnClick="btnDeleteAll_Click"
Runat="server" />
</ContentTemplate>
</asp:UpdatePanel>
</div>
</form>
</body>
</html>