This tutorial will show you how to ping a hostname/ip using the .NET System.Net class, ASP.NET 2.0 and C#.NET
The .NET Framework offers a number of types that makes accessing resources on the network easy to use.
To perform a simple ping, we will need to use the System.Net, System.Net.Network.Information, System.Text namespaces.
using System.Net;
using System.Net.NetworkInformation;
using System.Text; |
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We'll put our code in the btnSubmit_Click() event.
When the btnSubmit_Click() event fires it creates a new Ping object. We can then execute the Send method of this object to send a ping to the host specified in our text box. Executing this method also returns a PingReply object which we can use to gather information such as the Address, Roundtrip Time, TTL, and Buffer Size.
protected void btnSubmit_Click(object sender, EventArgs e)
{
try { lblStatus.Text = null; Ping ping = new Ping(); PingReply pingreply = ping.Send(txtHost.Text); txtPing.Text += "Address: " + pingreply.Address + "\r"; txtPing.Text += "Roundtrip Time: " + pingreply.RoundtripTime + "\r"; txtPing.Text += "TTL (Time To Live): " + pingreply.Options.Ttl + "\r"; txtPing.Text += "Buffer Size: " + pingreply.Buffer.Length.ToString() + "\r"; } catch (Exception err) {
lblStatus.Text = err.Message; } |
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The front end .aspx page looks something like this:
<table width="600" border="0" align="center" cellpadding="5" cellspacing="1" bgcolor="#cccccc">
<tr>
<td width="100" align="right" bgcolor="#eeeeee" class="header1">Hostname/IP:</td> <td align="center" bgcolor="#FFFFFF"> <asp:TextBox ID="txtHost" runat="server"></asp:TextBox> <asp:Button ID="btnSubmit" runat="server" OnClick="btnSubmit_Click" Text="Submit" /></td> </tr> <tr>
<td width="100" align="right" bgcolor="#eeeeee" class="header1">Ping Results:</td> <td align="center" bgcolor="#FFFFFF"> <asp:TextBox ID="txtPing" runat="server" Height="66px" TextMode="MultiLine" Width="226px"></asp:TextBox> <br /> <asp:label ID="lblStatus" runat="server"></asp:label></td> </tr> |
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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.Net;
using System.Net.NetworkInformation;
using System.Text;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e) { }protected void btnSubmit_Click(object sender, EventArgs e) {
try { lblStatus.Text = null; Ping ping = new Ping(); PingReply pingreply = ping.Send(txtHost.Text); txtPing.Text += "Address: " + pingreply.Address + "\r"; txtPing.Text += "Roundtrip Time: " + pingreply.RoundtripTime + "\r"; txtPing.Text += "TTL (Time To Live): " + pingreply.Options.Ttl + "\r"; txtPing.Text += "Buffer Size: " + pingreply.Buffer.Length.ToString() + "\r"; } catch (Exception err) {
lblStatus.Text = err.Message; } } |
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