RE: FileUpload - keep the filename

Hi Dave,

As for the fileupload control, it won't persist the filename after the post
in which the file stream is uploaded. This is because the file stream only
exists in the postback of the uploading post, after that , no filestream
exists in the request, so there is no reason to persist the filename any
longer. This also confirm to the html <input type="file" ...> element's
natural behavior. BTW, if you do need to persist the filename(of the
latest uploaded file), you can consider manually store it in the fileupload
control's attributes colleciton for sequential use. For example:

======================
protected void btnSubmit_Click(object sender, EventArgs e)
{
if (fu1.HasFile && fu1.FileName != null)
{
fu1.Attributes["filename"] = fu1.FileName;
}
}
=======================

then, in later postback, we can access the value through
fu1.Attriburtes["filename"]

Hope this helps you.


Regards,

Steven Cheng
Microsoft Online Community Support


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