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How do i prevent the file from being saved to the tempdirectory when i am OpenStream to save the image myself ...

Last post 10-07-2011, 7:31 AM by Kenneth. 3 replies.


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10-05-2011, 9:58 AM 70293

ScottDolan
Joined on 10-05-2011
Posts 11

How do i prevent the file from being saved to the tempdirectory when i am OpenStream to save the image myself ...

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I am trying to develop a page that will upload image. Once the _UploadCompleted event is trigger I uses args.OpenStream to create a new drawing image that i use to shrink and convert the image into png with rounded corners. I than save the file into a specific folder on my server. My Problem is the control is still coping a version of the file to the TempDirectory Folder.

Is there a way to stop this? or do i just have to delete the file later?

Also, which event should i place my code in?

protected void PersistedFile1_FileUploaded(object sender, UploaderEventArgs args)

protected void PersistedFile1_FileValidating(object sender, UploaderEventArgs args)

protected void PersistedFile1_UploadCompleted(object sender, UploaderEventArgs[] args)

protected void PersistedFile1_Init(object sender, EventArgs e);

The Code i use to copy the upload file..
int roundedDia = 25;

System.Drawing.Image myImage = System.Drawing.Image.FromStream( args.OpenStream() );

Bitmap bitmap = new Bitmap(imgin.Width, imgin.Height);

Graphics g = Graphics.FromImage(bitmap);
g.Clear(Color.Transparent);
g.SmoothingMode = (System.Drawing.Drawing2D.SmoothingMode.AntiAlias);

Brush brush = new System.Drawing.TextureBrush(imgin);
FillRoundedRectangle(g, new Rectangle(0, 0, imgin.Width, imgin.Height), roundedDia, brush);

bitmap.Save(@mPath + "Completed" + ".png", System.Drawing.Imaging.ImageFormat.Png);

10-05-2011, 4:54 PM 70295 in reply to 70293

Adam
Joined on 09-23-2003
Aurora, ON
Posts 18,678

Re: How do i prevent the file from being saved to the tempdirectory when i am OpenStream to save the image myself ...

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ScottDolan,

All temp files will be deleted automatically by ajax uploader. You don't need to maintain this TempDirectory Folder.

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10-06-2011, 1:57 PM 70300 in reply to 70295

ScottDolan
Joined on 10-05-2011
Posts 11

Re: How do i prevent the file from being saved to the tempdirectory when i am OpenStream to save the image myself ...

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Also, all the files uploaded to the tempDirectory are renamed to something similar to this

"persisted.aa5b8ba2-4d86-4681-92a2-bff277698419.new.png.resx" However, I would like to make use of this temporary image I just uploaded for a little bit while I am cropping the image. Is there a way to control how the file is named in the temp directory.. Basically, i just need to remove the .resx from the file name but, i still want ajaxuploader to delete after 5hrs goes by.

10-07-2011, 7:31 AM 70315 in reply to 70300

Kenneth
Joined on 02-13-2008
Posts 3,886

Re: How do i prevent the file from being saved to the tempdirectory when i am OpenStream to save the image myself ...

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Hi ScottDolan,

Please use method "CopyTo" to save the upload file.

<%@ Page Language="C#" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<script runat="server">

    protected void uploader1_FileUploaded(object sender, UploaderEventArgs args)
    {
        args.CopyTo("~/photos/"+args.FileName);
    }
</script>

<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
    <title>example</title>
</head>
<body>
    <form id="form1" runat="server">
        <div>
            <CuteWebUI:UploadAttachments ID="uploader1" runat="server" OnFileUploaded="uploader1_FileUploaded">
            </CuteWebUI:UploadAttachments>
        </div>
    </form>
</body>
</html>

Regards,

Ken