Exception Handling using Global.asax in asp.net
<%@ Import Namespace="System.IO" %>
<%@ Import Namespace="System.Web" %>
<%@ Import Namespace="System.Net.Mail" %>
<script runat="server">
void Application_Start(object sender, EventArgs e)
{
// Code that runs on application startup
}
void Application_End(object sender, EventArgs e)
{
// Code that runs on application shutdown
}
void Application_Error(object sender, EventArgs e)
{
Exception err = Server.GetLastError();
Session["error"] = err.InnerException.Message;
Session["ErrorMessage"] = err.InnerException.Message;
Session["Message"] = err.Message.ToString();
Session["ExceptionType"] = err.GetType().ToString();
Session["Source"] = err.Source.ToString();
Session["TargetSite"] = err.TargetSite.ToString();
Session["Timestamp"] = DateTime.Now.ToString();
if (err is HttpException && err.InnerException != null)
{
err = err.InnerException; //Avoid the Unhandled Exception wrapper which is meaningless
}
MailMessage msg = new MailMessage();
HttpContext ctx = HttpContext.Current;
msg.To.Add(new MailAddress("xxxx@gmail.com"));
msg.From = new MailAddress("xxxx@gmail.com");
msg.Subject = "My app had an issue...";
msg.Priority = MailPriority.High;
//StringBuilder sb = new StringBuilder();
//sb.Append(ctx.Request.Url.ToString() + System.Environment.NewLine);
//sb.Append("Source:" + System.Environment.NewLine + ctx.Server.GetLastError().Source.ToString());
//sb.Append("Message:" + System.Environment.NewLine + ctx.Server.GetLastError().Message.ToString());
//sb.Append("Stack Trace:" + System.Environment.NewLine + ctx.Server.GetLastError().StackTrace.ToString());
//msg.Body = sb.ToString();
StringBuilder sb = new StringBuilder();
sb.Append(ctx.Request.Url.ToString() + System.Environment.NewLine);
sb.Append("Source:" + System.Environment.NewLine + err.Source.ToString());
sb.Append("Message:" + System.Environment.NewLine + err.Message.ToString());
sb.Append("ExceptionType:" + System.Environment.NewLine + err.GetType().ToString());
sb.Append("TargetSite:" + System.Environment.NewLine + err.TargetSite.ToString());
sb.Append("Timestamp:" + System.Environment.NewLine + DateTime.Now.ToString());
msg.Body = sb.ToString();
//CONFIGURE SMTP OBJECT
SmtpClient smtp = new SmtpClient("smtp.gmail.com");
smtp.EnableSsl = true;
smtp.Port = 587;
smtp.Credentials = new System.Net.NetworkCredential("xxxx@gmail.com", "xxxx");
//SEND EMAIL
smtp.Send(msg);
//REDIRECT USER TO ERROR PAGE
Server.Transfer("ErrorPage.aspx");
//ExceptionManager.Publish(err);
// Code that runs when an unhandled error occurs
}
void Session_Start(object sender, EventArgs e)
{
Session["error"] = "";//initialize the session
// Code that runs when a new session is started
}
void Session_End(object sender, EventArgs e)
{
// Code that runs when a session ends.
// Note: The Session_End event is raised only when the sessionstate mode
// is set to InProc in the Web.config file. If session mode is set to StateServer
// or SQLServer, the event is not raised.
}
</script>
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="ErrorPage.aspx.cs" Inherits="ErrorPage" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<h2>
An Error Has Occurred</h2>
<p>
An unexpected error occurred on our website. The website administrator has been notified.</p>
<ul>
<li>
<asp:HyperLink ID="lnkHome" runat="server" NavigateUrl="~/Default.aspx">Return to the homepage</asp:HyperLink></li>
</ul>
<%-- <asp:Label ID="lblError" runat="server" Text="Label"></asp:Label>
<asp:Label ID="lblExtendedMessage" runat="server" Text="Label"></asp:Label>--%>
</div>
</form>
</body>
</html>
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