<%@ Page Language="C#" MasterPageFile="~/Demo.master" Title="Uploading multiple files like GMail" %>

<script runat="server">  
  
       void InsertMsg(string msg)
        {         
            ListBoxEvents.Items.Insert(0, msg);
            ListBoxEvents.SelectedIndex = 0;
        }

        protected override void OnInit(EventArgs e)
        {
            base.OnInit(e);
            Attachments1.AttachmentAdded += new AttachmentItemEventHandler(Attachments1_AttachmentAdded);
            ButtonDeleteAll.Click += new EventHandler(ButtonDeleteAll_Click);
            ButtonTellme.Click += new EventHandler(ButtonTellme_Click);
        }
       
        void Attachments1_AttachmentAdded(object sender, AttachmentItemEventArgs args)
        {
            InsertMsg(args.Item.FileName + " has been uploaded.");
        }

        void ButtonDeleteAll_Click(object sender, EventArgs e)
        {
            InsertMsg("Attachments1.DeleteAllAttachments();");
            Attachments1.DeleteAllAttachments();
        }
        void ButtonTellme_Click(object sender, EventArgs e)
        {
            ListBoxEvents.Items.Clear();
            foreach (AttachmentItem item in Attachments1.Items)
            {
                InsertMsg(item.FileName + ", " + item.FileSize + " bytes.");
                //Copies the uploaded file to a new location.
                //args.CopyTo("c:\\temp\\"+item.FileName);
                //You can also open the uploaded file's data stream.
                //System.IO.Stream data = item.OpenStream();
            }
        }
</script>

<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="Server">  
    <h2>Uploading multiple files like GMail</h2>
    <p> Google's GMail has a nice way of allowing you to upload multiple files. Rather than showing you 10 file upload boxes at once, the user attaches a file, you can click a button to add another attachment. </p>
    <br />