Retrieve error message from event log in ASP.NET2.0(VB)

To retrieve error message, information and warning message from Windows event log in ASP.NET 2.0 and VB.NET is very simple. This tutorial will show you how to get the error message from event log.

At first, import the namespace of System.Diagnostics

Imports System.Diagnostics;

Create Eventlog object

Dim objEventLog As EventLog = New EventLog("System")

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Use looping to retrieve all error message from event log

If you want get the information or warning messages from event log, just use EventLogEntryType.Information or EventLogEntryType.Warning to replace EventLogEntryType.Error

For Each objEntry In objEventLog.Entries If objEntry.EntryType = EventLogEntryType.Error Then Response.Write(objEntry.TimeGenerated & "-" & objEntry.Source & "-" & objEntry.Message & "<br>") End If Next

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The flow for the code behind page is as follows.

Imports System.Diagnostics Partial Class _Default Inherits System.Web.UI.Page Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load Dim objEventLog As EventLog = New EventLog("System") Dim objEntry As EventLogEntry For Each objEntry In objEventLog.Entries If objEntry.EntryType = EventLogEntryType.Error Then Response.Write(objEntry.TimeGenerated & "-" & objEntry.Source & "-" & objEntry.Message & "<br>") End If Next End Sub End Class

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