I am using a RadAsyncUpload control on a page that allows the user to send emails with attachments.

I have in place the work around found here

http://www.telerik.com/community/forums/aspnet-ajax/async-upload/known-issues-and-breaking-changes.aspx

My radscriptmanager is in the master page, here's my radasyncupload declaration

<tel:RadAsyncUpload
ID="fileUpload"
runat="server"
ReadOnlyFileInputs="true"
OnClientValidationFailed="onUploadFailed"
OnClientFileUploadFailed="onUploadFailed"
OnClientFileSelected="onFileSelected"
OnClientFileUploaded="onFileUploaded"
HttpHandlerUrl="~/Handlers/RadAsyncUploadWorkAround.ashx" />

In the code behind,

I have this in my onInit

fileUpload.FileUploaded += new FileUploadedEventHandler(uploaded);
fileUpload.TemporaryFolder = systemDocumentPathRoot;
//fileUpload.TargetFolder = systemDocumentPathFull;
fileUpload.Localization.Select = GetResourceString("Browse");

and for my uploaded method

List<string> fileNames = new List<string>();
  public void uploaded(object sender, FileUploadedEventArgs args){

 string fileName = @"DocumentFolder" + args.File.FileName;
args.File.SaveAs(fileName);
fileNames.Add(fileName);

}

on my SendButton event

System.Net.Mail.MailMessage message = new MailMessage("Zach.French@blackline.com", "Zach.French@Blackline.com", "test", "this is a test");
foreach(string fileName in fileNames)
      message.Attachments.Add(new Attachment(fileName));
SmtpClient smtpClient = new SmtpClient();

smtpClient.Send(message);

for a small files it works fine

but when I tried a file at about 2MB or more it fails.

the file is uploaded to the correct temporary location.

When I click the send button and do the full postback, uploaded is called and the file is saved to the correct location

When the send button event is called,  an exception is thrown on smtpClient.send(message).

the quick watch of the exception was print screened and is attached as exception.jpg

When I go to the file via the file explorer, and try to delete it I get an error message saying the file is in use (see fileinuse.jpg)

I believe the radasyncupload is still accessing the file or blocking it but I'm not sure.

Any help would be appreciated.

I have 3 level hierarchical Panel bar. How Do I access Top level radpanelItems collection and inside top level second level panel item collection.

I would like to set different font settings for Top most level and second level. I would also like to expand only Top most level panel items. How do I do this?

I don’t see down arrow in the second level even if it has chid items it only show plain text when user clicks on it , it expands and shows child item. But I think I am supposed to see down arrow on right hand side indicating that it has child items. I see this arrow only on Topmost level.

This is how I am binding the data to the panel bar

      With pnlbarCategory

                        .DataSource = dtCategory

                        .DataTextField = "Name"

                        .DataNavigateUrlField = ""

                        .DataFieldID = "Id"

                        .DataFieldParentID = "ParentId"

                        .DataValueField = "value"

                        .DataBind()

                  End With