Hello,
UploadCS.ascx File Code:
<%@ WebHandler Language="C#" Class="UploadCS" %>
using System;
using System.Web;
using System.IO;
using System.Web.SessionState;
using System.Collections.Generic;
public class UploadCS : IHttpHandler, IRequiresSessionState {
public void ProcessRequest (HttpContext context) {
context.Response.ContentType = "text/plain";
context.Response.Expires = -1;
try
{
List<httppostedfile> files = (List<httppostedfile>)context.Session["Files"];
HttpPostedFile postedFile = context.Request.Files["Filedata"];
files.Add(postedFile);
string filename = postedFile.FileName;
context.Response.Write(filename);
context.Response.StatusCode = 200;
}
catch (Exception ex)
{
context.Response.Write("Error: " + ex.Message);
}
}
public bool IsReusable {
get {
return false;
}
}
}
.CS File Code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.Services;
using System.Configuration;
using System.Net.Mail;
using System.IO;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
Session["Files"] = new List<httppostedfile>();
}
}
protected void btnSend_Click(object sender, EventArgs e)
{
using (MailMessage mailMessage = new MailMessage())
{
mailMessage.From = new MailAddress("user@gmail.com");
mailMessage.Subject = txtSubject.Text.Trim();
mailMessage.Body = txtBody.Text.Trim();
mailMessage.IsBodyHtml = true;
mailMessage.To.Add(new MailAddress(txtTo.Text.Trim()));
List<httppostedfile> files = (List<httppostedfile>)Session["Files"];
foreach (HttpPostedFile file in files)
{
mailMessage.Attachments.Add(new Attachment(file.InputStream, Path.GetFileName(file.FileName), file.ContentType));
}
SmtpClient smtp = new SmtpClient();
smtp.Host = "smtp.gmail.com";
smtp.EnableSsl = true;
System.Net.NetworkCredential NetworkCred = new System.Net.NetworkCredential();
NetworkCred.UserName = mailMessage.From.Address;
NetworkCred.Password = "<password>";
smtp.UseDefaultCredentials = true;
smtp.Credentials = NetworkCred;
smtp.Port = 587;
smtp.Send(mailMessage);
}
Response.Redirect(Request.Url.AbsoluteUri);
}
[WebMethod]
public static void RemoveFile(string fileName)
{
List<httppostedfile> files = (List<httppostedfile>)HttpContext.Current.Session["Files"];
files.RemoveAll(f => f.FileName.ToLower().EndsWith(fileName.ToLower()));
}
}
.aspx File code
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="CS.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 runat="server">
<title></title>
<style type="text/css">
body
{
font-family: Arial;
font-size: 10pt;
}
input[type=text]{width:250px}
textarea{width:250px;height:150px}
</style>
<link rel="Stylesheet" type="text/css" href="CSS/uploadify.css" />
<script type="text/javascript" src="scripts/jquery-1.3.2.min.js"></script>
<script type="text/javascript" src="scripts/jquery.uploadify.js"></script>
<script type="text/javascript">
$(function () {
$("[id*=FileUpload1]").fileUpload({
'uploader': 'scripts/uploader.swf',
'cancelImg': 'images/cancel.png',
'buttonText': 'Attach Files',
'script': 'UploadCS.ashx',
'folder': 'uploads',
'multi': true,
'auto': true,
'onSelect': function (event, ID, file) {
$("#attachedfiles tr").each(function () {
if ($("td", this).eq(0).html() == file.name) {
alert(file.name + " already uploaded.");
$("[id*=FileUpload1]").fileUploadCancel(ID);
return;
}
});
},
'onComplete': function (event, ID, file, response, data) {
$("#attachedfiles").append("<tr><td>" + file.name + "</td><td><a href = 'javascript:;'>[x]</a></td></tr>");
}
});
});
$("#attachedfiles a").live("click", function () {
var row = $(this).closest("tr");
var fileName = $("td", row).eq(0).html();
$.ajax({
type: "POST",
url: "CS.aspx/RemoveFile",
data: '{fileName: "' + fileName + '" }',
contentType: "application/json; charset=utf-8",
dataType: "json",
success: function () { },
failure: function (response) {
alert(response.d);
}
});
row.remove();
});
</script>
</head>
<body>
<form id="form1" runat="server">
<table>
<tr><td>To:</td><td><asp:TextBox ID="txtTo" runat="server"></asp:TextBox></td></tr>
<tr><td>Subject:</td><td><asp:TextBox ID="txtSubject" runat="server"></asp:TextBox></td></tr>
<tr><td>Body:</td><td><asp:TextBox ID="txtBody" runat="server" TextMode="MultiLine"></asp:TextBox></td></tr>
<tr><td></td><td><asp:FileUpload ID="FileUpload1" runat="server"/></td></tr>
<tr><td></td><td><table id="attachedfiles"></table></td></tr>
<tr><td></td><td><asp:Button ID="btnSend" runat="server" Text="Send" OnClick="btnSend_Click"/></td></tr>
</table>
</form>
</body>
</html>
i cant get value in code behind session variable and also error in .ascx file when we add files object.
[edit]Code blocks added - OriginalGriff[/edit]
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