DateTime and TimeSpan : DateTime « Development « ASP.NET Tutorial

1. ASP.NET Tutorial
2. Development
3. DateTime

<%@ Page %>
<script language="C#" runat="server">
private void Page_Load(object sender, System.EventArgs e)
{
  DateTime startTime, endTime;
  string output = "";
  TimeSpan span;
  
  startTime=DateTime.Now;
  for (int i=1;i<10000;i++)
  {
    output += i.ToString() + " ";
  }
  endTime=DateTime.Now;
  span=new TimeSpan(endTime.Ticks-startTime.Ticks);
  Response.Write("<hr>Time Using Concatenation: " + span.TotalSeconds.ToString() + "<hr>");

  startTime=DateTime.Now;
  System.Text.StringBuilder sb = new System.Text.StringBuilder(10000);
  for (int i=1;i<10000;i++)
  {
    sb.Append(i.ToString());
    sb.Append(" ");
  }
  endTime=DateTime.Now;
  span=new TimeSpan(endTime.Ticks-startTime.Ticks);
  Response.Write("<hr>Time Using StringBuilder: " + span.TotalSeconds.ToString() + "<hr>");
}
</script>