public static DataTable GetData(string queryST, ref string retErr)
{
DataTable EventDT = new DataTable("EventDT");
try
{
// Instantiate the LogQuery object
LogQuery oLogQuery = new LogQuery();
// Instantiate the Event Log Input Format object
EventLogInputFormat oEVTInputFormat = new EventLogInputFormat();
// Set its "direction" parameter to "BW"
oEVTInputFormat.direction = "BW";
// Execute the query
LogRecordSet oRecordSet = oLogQuery.Execute(queryST, oEVTInputFormat);
int i = 0;
for (; i < oRecordSet.getColumnCount(); i++)
{
string colnm;
colnm = oRecordSet.getColumnName(i);
EventDT.Columns.Add(new DataColumn(colnm, typeof(string)));
}
for (; !oRecordSet.atEnd(); oRecordSet.moveNext())
{
MSUtil.ILogRecord rowLP = null;
rowLP = oRecordSet.getRecord();
// populate holding table with site name & summary bytes for the period
DataRow dr = EventDT.NewRow();
for (int ct = 0; ct < i; ct++)
{
dr[ct] = rowLP.getValue(ct);
}
EventDT.Rows.Add(dr);
}
// Close the recordset
oRecordSet.close();
}
catch (Exception exc)
{
retErr = "Unexpected error: " + exc.Message;
}
return(EventDT);
}
protected void Page_Load(object sender, EventArgs e)
{
lblServerName.Text = System.Environment.MachineName.ToString();
lblServerName2.Text = System.Environment.MachineName.ToString();
string strEventLog;
string strNumberOfEvents;
if (!Page.IsPostBack)
{
strEventLog = "Application";
strNumberOfEvents = "15";
}
strEventLog = ddlEventLog.SelectedItem.Value;
strNumberOfEvents = ddlNumberOfEvents.SelectedItem.Value;
Top10Events("APPLICATION");
Top10Events("SYSTEM");
try
{
// Instantiate the LogQuery object
LogQuery oLogQuery = new LogQuery();
// Instantiate the Event Log Input Format object
EventLogInputFormat oEVTInputFormat = new EventLogInputFormat();
// Instantiate the data tables, columns and rows....
DataTable dtData = new DataTable("results");
DataColumn dtColumn = new DataColumn("timeGenerated");
dtData.Columns.Add(dtColumn);
DataColumn dtColumn2 = new DataColumn("sourcename");
dtData.Columns.Add(dtColumn2);
DataColumn dtColumn3 = new DataColumn("eventid");
dtData.Columns.Add(dtColumn3);
DataColumn dtColumn4 = new DataColumn("message");
dtData.Columns.Add(dtColumn4);
// Set its "direction" parameter to "BW"
oEVTInputFormat.direction = "BW";
// Create the query
string query = @"SELECT TOP " + strNumberOfEvents + " TimeGenerated, SourceName, EventID, Message FROM " + strEventLog;
// Execute the query
LogRecordSet oRecordSet = oLogQuery.Execute(query, oEVTInputFormat);
// Browse the recordset
for (; !oRecordSet.atEnd(); oRecordSet.moveNext())
{
LogRecord oRecord = oRecordSet.getRecord();
DataRow row = dtData.NewRow();
row[0] = oRecord.getValue(0);
row[1] = oRecord.getValue(1);
row[2] = oRecord.getValue(2);
row[3] = oRecord.getValue(3);
dtData.Rows.Add(row);
// Console.WriteLine(oRecordSet.getRecord().toNativeString(","));
}
// Close the recordset
oRecordSet.close();
DataSet ds = new DataSet();
ds.Tables.Add(dtData);
GridView1.DataSource = ds;
GridView1.DataBind();
}
catch (System.Runtime.InteropServices.COMException exc)
{
//Console.WriteLine("Unexpected error: " + exc.Message);
}
}
private void Top10Events(string strEventLogName)
{
try
{
// Instantiate the LogQuery object
LogQuery oLogQuery = new LogQuery();
// Instantiate the Event Log Input Format object
EventLogInputFormat oEVTInputFormat = new EventLogInputFormat();
// Instantiate the data tables, columns and rows....
DataTable dtData = new DataTable("results");
DataColumn dtColumn = new DataColumn("hits");
dtData.Columns.Add(dtColumn);
DataColumn dtColumn2 = new DataColumn("sourcename");
dtData.Columns.Add(dtColumn2);
// Create the query
string query = @"SELECT TOP 10 distinct count(*) as hits, SourceName FROM " + strEventLogName + " where eventtype='1' group by sourcename order by hits desc";
// Execute the query
LogRecordSet oRecordSet = oLogQuery.Execute(query, oEVTInputFormat);
// Browse the recordset
for (; !oRecordSet.atEnd(); oRecordSet.moveNext())
{
LogRecord oRecord = oRecordSet.getRecord();
DataRow row = dtData.NewRow();
row[0] = oRecord.getValue(0);
row[1] = oRecord.getValue(1);
dtData.Rows.Add(row);
// Console.WriteLine(oRecordSet.getRecord().toNativeString(","));
}
// Close the recordset
oRecordSet.close();
DataSet ds = new DataSet();
ds.Tables.Add(dtData);
if (strEventLogName == "APPLICATION")
{
GridView2.DataSource = ds;
GridView2.DataBind();
}
else
{
GridView3.DataSource = ds;
GridView3.DataBind();
}
//GridView1.DataSource = ds;
//GridView1.DataBind();
}
catch (System.Runtime.InteropServices.COMException exc)
{
//Console.WriteLine("Unexpected error: " + exc.Message);
lblAppEvtError.Text = "[Unexpected error: " + exc.Message + "]";
}
}
public static DataTable GetData(string queryST, ref string retErr)
{
DataTable EventDT = new DataTable("EventDT");
try
{
// Instantiate the LogQuery object
LogQuery oLogQuery = new LogQuery();
// Instantiate the Event Log Input Format object
EventLogInputFormat oEVTInputFormat = new EventLogInputFormat();
// Set its "direction" parameter to "BW"
oEVTInputFormat.direction = "BW";
// Execute the query
LogRecordSet oRecordSet = oLogQuery.Execute(queryST, oEVTInputFormat);
int i = 0;
for (; i < oRecordSet.getColumnCount(); i++)
{
string colnm;
colnm = oRecordSet.getColumnName(i);
EventDT.Columns.Add(new DataColumn(colnm, typeof(string)));
}
for (; !oRecordSet.atEnd(); oRecordSet.moveNext())
{
MSUtil.ILogRecord rowLP = null;
rowLP = oRecordSet.getRecord();
// populate holding table with site name & summary bytes for the period
DataRow dr = EventDT.NewRow();
for (int ct = 0; ct < i; ct++)
{
dr[ct] = rowLP.getValue(ct);
}
EventDT.Rows.Add(dr);
}
// Close the recordset
oRecordSet.close();
}
catch (Exception exc)
{
retErr = "Unexpected error: " + exc.Message;
}
return EventDT;
}
