|
File: Default.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="TraceExample" Trace="true" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
<title>Untitled Page</title>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:Button ID="cmdWrite" runat="server" OnClick="cmdWrite_Click" Text="Write" />
<asp:Button ID="cmdWriteCategory" runat="server" OnClick="cmdWriteCategory_Click"
Text="Write Category" />
<asp:Button ID="cmdError" runat="server" OnClick="cmdError_Click" Text="Write Error" />
</div>
</form>
</body>
</html>
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class TraceExample : System.Web.UI.Page
{
protected void cmdError_Click(object sender, EventArgs e)
{
try
{
DivideNumbers(5, 0);
}
catch (Exception err)
{
Trace.Warn("cmdError_Click", "Caught Error", err);
}
}
protected void cmdWrite_Click(object sender, EventArgs e)
{
Trace.Write("About to place an item in session state.");
Session["Test"] = "Contents";
Trace.Write("Placed item in session state.");
}
protected void cmdWriteCategory_Click(object sender, EventArgs e)
{
Trace.Write("Page_Load", "About to place an item in session state.");
Session["Test"] = "Contents";
Trace.Write("Page_Load", "Placed item in session state.");
}
private decimal DivideNumbers(decimal number, decimal divisor)
{
return number / divisor;
}
}
|