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