having issue in sending a mail message

Aug 1 2015 5:17 AM

i am having a n issue is sending a mail message using asp,net web application.

i have applied all the things which i could do but there is an error always occur.

here is my code.can anyone please guide me

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="DemoContact Us Form.aspx.cs" Inherits="DemoContact_Us_Form" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<title></title>
<style type="text/css">
.style1
{
width: 100%;
}
.style2
{
width: 400px;
}
.style3
{
width: 87px;
}
.style4
{
width: 87px;
height: 458px;
}
.style5
{
width: 400px;
height: 458px;
}
.style6
{
height: 458px;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div>

<table class="style1">
<tr>
<td class="style3">
<asp:Label ID="Label1" runat="server" Text="Full name:"></asp:Label>
</td>
<td class="style2">
<asp:TextBox ID="txtname" runat="server" Width="226px"></asp:TextBox>
</td>
<td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator1" runat="server"
ControlToValidate="txtname" ErrorMessage="Required" ForeColor="Red"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="style3">
<asp:Label ID="Label2" runat="server" Text="Email:"></asp:Label>
</td>
<td class="style2">
<asp:TextBox ID="txtmail" runat="server" Height="24px" Width="225px"></asp:TextBox>
</td>
<td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator2" runat="server"
ControlToValidate="txtmail" ErrorMessage="Required" ForeColor="Red"></asp:RequiredFieldValidator>
<asp:RegularExpressionValidator ID="RegularExpressionValidator1" runat="server"
ControlToValidate="txtmail" Display="Dynamic"
ErrorMessage="Please enter a valid email" ForeColor="Red"
ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator>
</td>
</tr>
<tr>
<td class="style3">
<asp:Label ID="Label3" runat="server" Text="Subject:"></asp:Label>
</td>
<td class="style2">
<asp:TextBox ID="txtsubject" runat="server" Height="26px" Width="222px"></asp:TextBox>
</td>
<td>
<asp:RequiredFieldValidator ID="RequiredFieldValidator3" runat="server"
ControlToValidate="txtsubject" ErrorMessage="Required" ForeColor="Red"></asp:RequiredFieldValidator>
</td>
</tr>
<tr>
<td class="style4">
<asp:Label ID="Label4" runat="server" Text="Comments:"></asp:Label>
</td>
<td class="style5">
<asp:TextBox ID="txtcommnets" runat="server" Height="415px" Width="371px"
TextMode="MultiLine"></asp:TextBox>
</td>
<td class="style6">
 </td>
</tr>
<tr>
<td class="style3" colspan="3">
<asp:Button ID="Button1" runat="server" Text="Send" onclick="Button1_Click" />
</td>

</tr>
<tr>
<td class="style3" colspan="3">
<asp:Label ID="Label5" runat="server" Text="Label"></asp:Label>
</td>

</tr>
<tr>
<td class="style3">
 </td>
<td class="style2">
 </td>
<td>
 </td>
</tr>
</table>

</div>

</form>
</body>
</html>

code behind

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Net;
using System.Net.Mail;

public partial class DemoContact_Us_Form : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
Label5.Text = "";

}
protected void Button1_Click(object sender, EventArgs e)
{
try
{
if (Page.IsValid)
{
MailMessage mm = new MailMessage();
mm.From = new MailAddress(txtmail.Text);
mm.To.Add("[email protected]");
mm.Subject = txtsubject.Text;
mm.Body = txtcommnets.Text;
mm.IsBodyHtml = true;

SmtpClient client = new SmtpClient();
client.Host = "smtp.live.com";
client.Credentials = new System.Net.NetworkCredential("","");
client.UseDefaultCredentials = true;
client.Port = 25;
client.EnableSsl = true;
client.Send(mm);
Label5.ForeColor = System.Drawing.Color.BlueViolet;
Label5.Text = " thank you for contacting us your mail has received ";

txtmail.Enabled = false;
txtname.Enabled = false;
txtsubject.Enabled = false;
txtcommnets .Enabled = false;
}

}
catch (Exception ex)
{
Label5.ForeColor = System.Drawing.Color.Red;
Label5.Text = " there is a problem sending your email.please try again later ";

}

}
}

i have entered password and username is network credentials.but it still throw an error .please help me in this

Answers (29)

How did we implement classes in our project?

visual studio set up