Error Retrieving from Windows in asp.net

To retrieve error message or warning message from Windows event log in ASP.NET 2.0 and C# is very simple.

At first, import the namespace of System.Diagnostics

using System.Diagnostics;

Create Eventlog object

EventLog objEventLog = 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

foreach (EventLogEntry objEntry in objEventLog.Entries) { if(objEntry.EntryType==EventLogEntryType.Error) { Response.Write(objEntry.TimeGenerated+"-"+objEntry.Source+"- "+objEntry.Message+" "); } }

The flow for the code behind page is as follows.

using System; using System.Data; using System.Configuration; 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; using System.Text; using System.Diagnostics; public partial class _Default : System.Web.UI.Page  { protected void Page_Load(object sender, EventArgs e) { EventLog objEventLog = new EventLog("System"); foreach (EventLogEntry objEntry in objEventLog.Entries) { if(objEntry.EntryType==EventLogEntryType.Error) { Response.Write(objEntry.TimeGenerated+"-"+objEntry.Source+"- "+objEntry.Message+" "); } } } }