4
我抓住事件日誌,然後將它們顯示在數據網格中,但對於需要永久返回的大型日誌,所以我想限制最近24小時的日誌,但我不知道如何做到這一點。我想在迭代每個條目之前限制集合,因爲那樣做仍然需要很長時間。任何幫助將完全讚賞!按日期限制事件日誌
namespace SysTools
{
public partial class LogViewer : Form
{
DataTable eventLog = new DataTable();
DataSet dataset1 = new DataSet();
private EventLog unhandledLogs;
public LogViewer(EventLog logs)
{
unhandledLogs = logs;
InitializeComponent();
}
private void LogViewer_Load(object sender, EventArgs e)
{
String currentLog = unhandledLogs.Log;
DataTable dataTable1 = new DataTable();
DataColumn column;
column = new DataColumn();
column.DataType = System.Type.GetType("System.String");
column.ColumnName = "Level";
dataTable1.Columns.Add(column);
column = new DataColumn();
column.DataType = System.Type.GetType("System.String");
column.ColumnName = "Category";
dataTable1.Columns.Add(column);
column = new DataColumn();
column.DataType = System.Type.GetType("System.DateTime");
column.ColumnName = "DateTime";
dataTable1.Columns.Add(column);
column = new DataColumn();
column.DataType = System.Type.GetType("System.String");
column.ColumnName = "Message";
dataTable1.Columns.Add(column);
dataTable1.Rows.Clear();
DateTime systemtime = new DateTime();
Int32 count = unhandledLogs.Entries.Count;
for (int currLogIndex = 0; currLogIndex <= unhandledLogs.Entries.Count; currLogIndex++)
{
DataRow drnew = dataTable1.NewRow();
try
{
EventLogEntry currLogEntrys = unhandledLogs.Entries[currLogIndex];
EventLogEntry currLogEntry = currLogEntrys;
string entrytype = currLogEntrys.EntryType.ToString();
drnew["Level"] = entrytype;
drnew["Category"] = currLogEntry.Source;
drnew["DateTime"] = currLogEntry.TimeGenerated;
drnew["Message"] = currLogEntry.Message;
dataTable1.Rows.Add(drnew);
}
catch { }
}
dataGridView1.DataSource = dataTable1;
dataTable1.DefaultView.Sort = ("DateTime asc");
}
}
}