ASP.net, C# , AJAX Send email Sample code using master page

Steps to follow:

1. Download ajax dll from http://asp.net

2. Put this dll in project bin folder

3. Attaché this dll to project

4. Create a sample master page MasterPage.master and add to feedback.aspx.

5. Create feedback.aspx.cs file

Feedback.aspx

<%@ Page Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true"

CodeFile="Feedback.aspx.cs" Inherits="Feedback" Title="Untitled Page" %>

<%@ Register Assembly="System.Web.Extensions, Version=1.0.61025.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35"

Namespace="System.Web.UI" TagPrefix="asp" %>

<%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="cc1" %>

<asp:Content ID="Content2" ContentPlaceHolderID="Main" runat="Server">

<asp:ScriptManager id="ScriptManager1" runat="server">

</asp:ScriptManager>

<table cellspacing="0" cellpadding="0" width="100%">

<tr>

<td id="user_assistance">

<h2>&nbsp;Sponsored Ads</h2>

<p>

<uc2:Link200x90 ID="Link200x90_1" runat="server" />

</p>

<h2>&nbsp;Sponsored Ads</h2>

<p>

<uc1:Img160x600 ID="Img160x600_1" runat="server" />

</p>

</td>

<td style="width: 10px">

</td>

<td id="user_main">

<table width="100%" id="wholepage" style="text-align: left">

<tr>

<td>

</td>

<td colspan="2">

<br />

<h3>

Send Feedback</h3>

<br />

Thank you for your valuable feedback.

<br />

Thank you

<br />

</td>

<td>

</td>

</tr>

<tr>

<td style="height: 20; text-align: right" colspan="3">

<hr />

<span style="color: #CF1A05">* Marked fields are mandatory </span>

</td>

</tr>

<tr>

<td style="width: 5">

</td>

<td style="width: 20">

</td>

<td>

<table width="500">

<tr>

<td style="height: 10">

</td>

</tr>

<tr>

<td>

</td>

<td style="width: 50">

<span style="color: red">* </span>Your Name:&nbsp;</td>

<td style="width: 600">

<asp:TextBox ID="txtName" runat="server" MaxLength="50" CssClass="unwatermarked"></asp:TextBox>

<asp:RequiredFieldValidator ID="Requiredfieldvalidator1" runat="server" Enabled="true"

Display="none" ErrorMessage="<b>Required Field Missing</b></br>You must enter Name"

ControlToValidate="txtName" Font-Size="XX-Small"></asp:RequiredFieldValidator>

<cc1:ValidatorCalloutExtender HighlightCssClass="validatorCalloutHighlight" ID="ValidatorCalloutExtender1"

runat="server" TargetControlID="Requiredfieldvalidator1">

</cc1:ValidatorCalloutExtender>

<cc1:TextBoxWatermarkExtender WatermarkText="Your Name " WatermarkCssClass="watermarked"

ID="TextBoxWatermarkExtender4" runat="server" TargetControlID="txtName">

</cc1:TextBoxWatermarkExtender>

</td>

<td>

</td>

</tr>

<tr>

<td style="width: 5">

</td>

<td style="white-space: nowrap">

<span style="color: #ff0000">* </span>Your Email Address:&nbsp;</td>

<td>

<asp:TextBox ID="txtEmail" runat="server" MaxLength="50" CssClass="unwatermarked"></asp:TextBox>

<asp:RequiredFieldValidator HighlightCssClass="validatorCalloutHighlight" ID="vldPassword"

Display="None" runat="server" Enabled="true" ErrorMessage="<b>Required Field Missing</b></br>You must enter</br>Email Address"

ControlToValidate="txtEmail" Font-Size="XX-Small"></asp:RequiredFieldValidator>

<asp:RegularExpressionValidator ID="vldregularemail" runat="server" Font-Size="XX-Small"

ControlToValidate="txtEmail" ErrorMessage="E-Mail To field should be in correct format."

Display="none" ValidationExpression="\w+([-+.]\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"></asp:RegularExpressionValidator></td>

<cc1:ValidatorCalloutExtender HighlightCssClass="validatorCalloutHighlight" ID="ValidatorCalloutExtender2"

runat="server" TargetControlID="vldPassword">

</cc1:ValidatorCalloutExtender>

<cc1:ValidatorCalloutExtender HighlightCssClass="validatorCalloutHighlight" ID="ValidatorCalloutExtender5"

runat="server" TargetControlID="vldregularemail">

</cc1:ValidatorCalloutExtender>

<cc1:TextBoxWatermarkExtender WatermarkText="Your Email Address " WatermarkCssClass="watermarked"

ID="TextBoxWatermarkExtender3" runat="server" TargetControlID="txtEmail">

</cc1:TextBoxWatermarkExtender>

<td>

</td>

</tr>

<tr>

<td>

</td>

<td>

&nbsp; Contact Number:&nbsp;</td>

<td>

<asp:TextBox ID="txtNumber" runat="server" MaxLength="15" CssClass="unwatermarked"></asp:TextBox>

<cc1:TextBoxWatermarkExtender WatermarkText=" Your Contact Number " WatermarkCssClass="watermarked"

ID="TextBoxWatermarkExtender5" runat="server" TargetControlID="txtNumber">

</cc1:TextBoxWatermarkExtender>

</td>

<td>

</td>

</tr>

<tr>

<td>

</td>

<td>

<span style="color: #ff0000">* </span>Subject:&nbsp;</td>

<td>

<asp:TextBox ID="txtSubject" runat="server" MaxLength="200" CssClass="unwatermarked"></asp:TextBox>

<asp:RequiredFieldValidator Display="None" ID="Subject" ControlToValidate="txtSubject"

runat="server" ErrorMessage="<b>Required Field Missing</b></br>You must enter Subject"></asp:RequiredFieldValidator>&nbsp;

<cc1:ValidatorCalloutExtender HighlightCssClass="validatorCalloutHighlight" ID="ValidatorCalloutExtender3"

runat="server" TargetControlID="Subject">

</cc1:ValidatorCalloutExtender>

<cc1:TextBoxWatermarkExtender WatermarkText="Subject " WatermarkCssClass="watermarked"

ID="TextBoxWatermarkExtender2" runat="server" TargetControlID="txtSubject">

</cc1:TextBoxWatermarkExtender>

</td>

<td>

</td>

</tr>

<tr>

<td style="height: 10">

</td>

</tr>

<tr>

<td>

</td>

<td style="vertical-align: top; white-space: nowrap">

<span style="color: red">* </span>Comments:</td>

<td>

<asp:TextBox ID="txtComments" runat="server" Height="136" Width="400" TextMode="MultiLine"

MaxLength="6000" CssClass="unwatermarked"></asp:TextBox>

<asp:RequiredFieldValidator ID="Requiredfieldvalidator3" runat="server" Enabled="true"

Display="none" ErrorMessage="<b>Required Field Missing</b></br>You must enter Comments"

ControlToValidate="txtComments" Font-Size="XX-Small"></asp:RequiredFieldValidator>

<cc1:ValidatorCalloutExtender HighlightCssClass="validatorCalloutHighlight" ID="ValidatorCalloutExtender4"

runat="server" TargetControlID="Requiredfieldvalidator3">

</cc1:ValidatorCalloutExtender>

<cc1:TextBoxWatermarkExtender WatermarkText="Comments " WatermarkCssClass="watermarked"

ID="TextBoxWatermarkExtender1" runat="server" TargetControlID="txtComments">

</cc1:TextBoxWatermarkExtender>

</td>

<td>

</td>

</tr>

<tr>

<td colspan="4" height="10">

</td>

</tr>

<tr>

<td>

</td>

<td>

</td>

<td >

<asp:UpdatePanel ID="UpdatePanel1" runat="server" UpdateMode="Always">

<contenttemplate>

<asp:UpdateProgress id="UpdateProgress1" runat="server" AssociatedUpdatePanelID="UpdatePanel1"><ProgressTemplate>

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<asp:Image id="Wait" runat="server" ImageUrl="~/images/ajax-loader.gif" AlternateText="Wait"></asp:Image><br /> <asp:Label id="lblWait" runat="server" ForeColor="#004000" Text="Please wait ..." Font-Bold="True"></asp:Label>

</ProgressTemplate>

</asp:UpdateProgress>

&nbsp;<input type="button" runat="server" value="Submit" id="btnSubmit" onserverclick="btnSubmit_ServerClick" /><br />

<asp:Panel ID="pnlMessage" runat="server" BackColor="#FFFF80" Width="100%">

<asp:Label ID="lblMessage" runat="server" ForeColor="Maroon" Text="asxc"></asp:Label>

</asp:Panel>

</contenttemplate>

</asp:UpdatePanel>

<br />

</td>

<td>

</td>

</tr>

</table>

</td>

</tr>

</table>

</td>

<td style="width: 10px">

</td>

<td id="user_right">

</td>

</tr>

</table>

</asp:Content>

Feedback.aspx.cs

using System;

using System.Data;

using System.Configuration;

using System.Collections;

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;

public partial class Feedback : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

pnlMessage.Visible = false;

ScriptManager1.RegisterAsyncPostBackControl(btnSubmit);

}

protected void btnSubmit_ServerClick(object sender, EventArgs e)

{

bool EmailSentBool =

AspNet.abc.xyz.BusinessLogicLayer.Utilities.SendEmailToAdmin(Server.HtmlEncode(txtName.Text), Server.HtmlEncode(txtEmail.Text), Server.HtmlEncode(txtComments.Text), "FeedBack " + Server.HtmlEncode(txtSubject.Text), "", Server.HtmlEncode(txtNumber.Text),"Feedback.aspx");

if (EmailSentBool)

{

pnlMessage.Visible = true;

lblMessage.Text = Constants.EmailSuccessful;

}

else

{

pnlMessage.Visible = true;

lblMessage.Text = Constants.EmailUnSuccessful;

}

}

}

Code to send email

public static bool SendEmail(string senderName, string senderAddress, string comments, string subject, string extrabody, string number, string FromScreen )

{

//change to work email

string SitesenderAddress = Constants.EmailFromAddress;

bool sent = false;

SiteSettings s = SiteSettings.GetSharedSettings();

StringBuilder sb = new StringBuilder();

sb.AppendLine("From Screen:" + FromScreen);

sb.AppendLine("The contact information of the user is below:");

sb.AppendLine();

sb.AppendLine("Name: " + senderName);

sb.AppendLine("Email: " + senderAddress);

sb.AppendLine();

sb.AppendLine("User comments/questions:");

sb.AppendLine(comments);

sb.AppendLine();

sb.AppendLine("Extra information: " + extrabody);

sb.AppendLine();

sb.AppendLine("Mobile Number: " + number);

sb.AppendLine();

sb.AppendLine(s.SiteName);

sb.AppendLine(ClassifiedsHttpApplication.SiteUrl);

string from = String.Format("{0} <{1}>", senderName, SitesenderAddress);

try

{

MailMessage m = new MailMessage(from, s.SiteEmailAddress);

m.Subject = subject;

m.Body = sb.ToString();

SmtpClient client = new SmtpClient();

client.Send(m);

sent = true;

}

catch

{

// Consider customizing the message for the EmailNotSentPanel in the ShowAds page.

sent = false;

}

return sent;

}