Step 1: Open visual studio -> website
-> Asp.net Empty website then choose any name and click OK
Step 2: From solution explorer right click on your website name and
then choose add new item -> web form give name to that web form and click OK
Step 3: Take 6 label,5 Text box , 1 button and RegularExpressionvalidator.
Design will look like:
![Design.jpg]()
RegularExpressionvalidator is used so that if user enter email id in incorrect
format it will show an error.
Way to set RegularExpressionvalidator is Properties of RegularExpressionvalidator->
validation expression -> Internet email address
Code used at default.aspx page:
<%@
Page Language="C#"
AutoEventWireup="true"
CodeFile="Default.aspx.cs"
Inherits="_Default"
%>
<!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
id="Head1"
runat="server">
<title></title>
</head>
<body>
<form id="form1"
runat="server">
<div>
<asp:Label
ID="lem"
runat="server"
Text="Email id"></asp:Label>
<asp:TextBox
ID="tem"
runat="server"></asp:TextBox>
<asp:RegularExpressionValidator
ID="RegularExpressionValidator1"
runat="server"
ControlToValidate="tem"
ErrorMessage="Email id
should be in format [email protected]"
ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator>
<br
/>
<br
/>
<asp:Label
ID="lpwd"
runat="server"
Text="Password"></asp:Label>
<asp:TextBox
ID="tpwd"
runat="server"
TextMode="Password"></asp:TextBox>
<br
/>
<br
/>
<asp:Label
ID="lre"
runat="server"
Text="Receiver Email
ID"></asp:Label>
<asp:TextBox
ID="tre"
runat="server"></asp:TextBox>
<asp:RegularExpressionValidator
ID="RegularExpressionValidator2"
runat="server"
ControlToValidate="tre"
EnableViewState="False"
ErrorMessage="Email
id should be in format aba@anyserver(gmail/yahoo/hotmail).com"
SetFocusOnError="True"
ValidationExpression="\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator>
<br
/>
<br
/>
<asp:Label
ID="lsub"
runat="server"
Text="subject"></asp:Label>
<asp:TextBox
ID="tsub"
runat="server"></asp:TextBox>
<br
/>
<br
/>
<asp:Label
ID="lbdy"
runat="server"
Text="Body"></asp:Label>
<asp:TextBox
ID="tbdy"
runat="server"
TextMode="MultiLine"></asp:TextBox>
<br
/>
<br
/>
<asp:Button
ID="b1"
runat="server"
Text="Submit"
OnClick="b1_Click"
/>
<asp:Label
ID="l"
runat="server"
Text=" "></asp:Label>
</div>
</form>
</body>
</html>
Then click on submit button and then there will be another page default.aspx.cs
code on default.aspx.cs
using
System;
using
System.Collections.Generic;
using
System.Linq;
using
System.Web;
using
System.Web.UI;
using
System.Web.UI.WebControls;
using
System.Net; // additional
namespace for sending mail message
using
System.Net.Mail; // additional
namespace for sending mail message
public
partial class
_Default : System.Web.UI.Page
{
protected void Page_Load(object
sender, EventArgs e)
{
}
protected void b1_Click(object
sender, EventArgs e)
{
MailMessage m = new
MailMessage(tem.Text, tre.Text, tsub.Text,
tbdy.Text);
NetworkCredential n =
new
NetworkCredential(tem.Text, tpwd.Text);
SmtpClient s = new
SmtpClient("smtp.gmail.com",
587);
s.EnableSsl =
true;
s.UseDefaultCredentials = false;
s.Credentials = n;
s.Send(m);
l.Text =
"Sended Successfully";
}
}
Output
Before Sending message
![before.PNG]()
After Sending message
![after.PNG]()
Output
![outcome.PNG]()