Get Event Entry from Event log (C#) : Event Log « Development « ASP.Net

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ASP.Net » Development » Event Log 
Get Event Entry from Event log (C#)

<%@ Page language="c#" src="EventReviewPage.aspx.cs" AutoEventWireup="false" Inherits="EventReviewPage" %>
<HTML>
  <body>
    <form id="Form1" method="post" runat="server">
      <asp:label id="lblResult" style="Z-INDEX: 100; LEFT: 32px; POSITION: absolute; TOP: 160px" runat="server" Width="674px" Height="16px" Font-Names="Verdana" Font-Size="Smaller" BorderStyle="Inset" BorderWidth="1px" BackColor="#FFFFC0"></asp:label><asp:textbox id="txtLog" style="Z-INDEX: 107; LEFT: 128px; POSITION: absolute; TOP: 32px" runat="server" Width="193px" Height="24px">Application</asp:textbox><asp:label id="Label2" style="Z-INDEX: 106; LEFT: 32px; POSITION: absolute; TOP: 40px" runat="server" Width="96px" Height="16px" Font-Names="Verdana" Font-Size="Smaller">Log:</asp:label><asp:textbox id="txtSource" style="Z-INDEX: 102; LEFT: 128px; POSITION: absolute; TOP: 64px" runat="server" Width="193px" Height="24px">ErrorTestLog_Page</asp:textbox><asp:label id="Label1" style="Z-INDEX: 103; LEFT: 32px; POSITION: absolute; TOP: 64px" runat="server" Width="96px" Height="16px" Font-Names="Verdana" Font-Size="Smaller">Source:</asp:label><asp:button id="cmdGet" style="Z-INDEX: 104; LEFT: 200px; POSITION: absolute; TOP: 104px" runat="server" Width="120px" Text="Get Entries" Font-Names="Verdana" Font-Size="Smaller"></asp:button><asp:checkbox id="chkAll" style="Z-INDEX: 105; LEFT: 336px; POSITION: absolute; TOP: 32px" runat="server" Width="204px" Height="16px" Text="Get All Entries for this Log (May Be Extremely Slow)" AutoPostBack="True" Font-Names="Verdana" Font-Size="Smaller"></asp:checkbox></form>
  </body>
</HTML>


<%--
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;
using System.Diagnostics;

  public class EventReviewPage : System.Web.UI.Page
  {
    protected System.Web.UI.WebControls.Label lblResult;
    protected System.Web.UI.WebControls.TextBox txtLog;
    protected System.Web.UI.WebControls.Label Label2;
    protected System.Web.UI.WebControls.TextBox txtSource;
    protected System.Web.UI.WebControls.Label Label1;
    protected System.Web.UI.WebControls.Button cmdGet;
    protected System.Web.UI.WebControls.CheckBox chkAll;
  
    private void Page_Load(object sender, System.EventArgs e)
    {
    }

    #region Web Form Designer generated code
    override protected void OnInit(EventArgs e)
    {
      InitializeComponent();
      base.OnInit(e);
    }
    
    private void InitializeComponent()
    {    
      this.cmdGet.Click += new System.EventHandler(this.cmdGet_Click);
      this.chkAll.CheckedChanged += new System.EventHandler(this.chkAll_CheckedChanged);
      this.Load += new System.EventHandler(this.Page_Load);

    }
    #endregion

    private void chkAll_CheckedChanged(object sender, System.EventArgs e)
    {
      if (chkAll.Checked == true)
      {
        txtSource.Text = "";
        txtSource.Enabled = false;
      }
      else
      {
        txtSource.Enabled = true;
      }

    }

    private void cmdGet_Click(object sender, System.EventArgs e)
    {
      if (!EventLog.Exists(txtLog.Text))
      {
        lblResult.Text = "The event log " + txtLog.Text ;
        lblResult.Text += " doesn't exist.";
      }
      else
      {
        System.Text.StringBuilder sb = new System.Text.StringBuilder();

        EventLog log = new EventLog(txtLog.Text);
        foreach (EventLogEntry entry in log.Entries)
        {
          // Write the event entries to the page.
          if (chkAll.Checked == true ||
            entry.Source == txtSource.Text)
          {
            sb.Append("<b>Entry Type:</b> ");
            sb.Append(entry.EntryType.ToString());
            sb.Append("<br><b>Message:</b> ");
            sb.Append(entry.Message);
            sb.Append("<br><b>Time Generated:</b> ");
            sb.Append(entry.TimeGenerated);
            sb.Append("<br><br>");
          }
          lblResult.Text = sb.ToString();
        }
      }

    }
  }


--%>
           
       
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