FIGHT -1 - The posted file from file upload control is removed as soon as the page is posted back.
SOLUTION - Save the posted file in a session as u press the upload document button you created, something like this -
protected void btnUploadDocument_Click(object sender, EventArgs e)
{
Session["UploadFile"] = FileUploadControl.PostedFile;
//pop up code
}
Then the confirmation pop-up props up. On selecting 'OK' cast the session as HttpPostedFile , something like this -
(HttpPostedFile)Session["UploadFile"]
Use this to upload the document.
FIGHT -2 - Error - Cannot access Closed File
SOLUTION- maxRequestLength, an attribute which governs the size of file being uploaded might have not been updated.
By default it is 4 mb. to increase it , < httpRuntime maxRequestLength="20000" /> within the
tag in the web.config (put the value as required)
The problem might still persist , the root lies in requestLengthDiskThreshold attribute
update the above mentioned tag to -
< httpRuntime maxRequestLength="20000" requestLengthDiskThreshold="9000"/ >
(For more info on the two attribures , go to - http://msdn.microsoft.com/en-us/library/e1f13641.aspx)
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