Asp.net upload pdf file to the server

Question

1.00/5 (2 votes)

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HI I have the following:
Response.Write(Request.Headers("X-File-Name"))

Dim input As Stream = DirectCast(Request.InputStream, Stream)
Dim bmp As New Bitmap(input)

Response.Clear()
Response.ContentType = "image/jpeg"

' Save to the Response.OutputStream object
bmp.Save("C:\inetpub\wwwroot\mywerver\upload\" & Request.Headers("X-File-Name") & ".jpg")

bmp.Dispose()

which work fine to upload images but if I want to upload some other extension like PDF, then it wont work.

What I have tried:

I tried : Response.ContentType = "application/pdf" and
bmp.Save("C:\inetpub\wwwroot\mywerver\upload\" & Request.Headers("X-File-Name") & ".pdf")
But no luck.
Thanks for any help
James

Posted 20-Mar-18 10:19am

jameskm69

Updated 21-Mar-18 12:58pm

Vincent Maverick Durano

v2

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j snooze 20-Mar-18 17:34pm

Is this being posted to your page from an upload file control? Also is this webforms or mvc?

jameskm69 21-Mar-18 7:31am

Hi J, this is not from a asp upload controller. it's from a javascript/AJAX:
if (file) {
var xhr = new XMLHttpRequest();
xhr.upload.addEventListener('progress', uploadProgress, false);
xhr.onreadystatechange = stateChange;
xhr.open('POST', 'crop1.aspx', true);
xhr.setRequestHeader('X-FILE-NAME', file.name);
xhr.send(file);
}
function stateChange(event) {

if (event.target.readyState == 4) {

if (event.target.status == 200 || event.target.status == 304 || event.target.status == 500 ) {
$('#dropZone').text('Upload Complete!');
count2 = count2 + 1;
if (count2 == count) {
alert("You Uploaded " + count2 + " Photo(s) \n Click ''OK'' to continue");
}
}
else {
dropZone.text('Upload Failed!');
dropZone.addClass('error');
}
}
}
note: crop1.aspx is the page as WebRequest
Thanks,
James

j snooze 21-Mar-18 17:29pm

This may help you out.
https://stackoverflow.com/questions/2934295/c-sharp-save-a-file-from-a-http-request#2934308
its in c# but you should be able to convert it over to VB

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A_Griffin · Accepted Answer · 2018-03-21T12:59:00

This will work with any file type on the server

VB

Response.Write(Request.Headers("X-File-Name"))
            
Dim output As FileStream = File.Create(PathToFolderEndWithBackSlash & Request.Headers("X-File-Name"))
Dim input As Stream = DirectCast(Request.InputStream, Stream)
            
Dim buffer(input.Length - 1) As Byte
Dim bytesRead As Integer
               
Do
   bytesRead = input.Read(buffer, 0, buffer.Length)
   If bytesRead = 0 Then Exit Do
   output.Write(buffer, 0, bytesRead)
Loop

output.Close()

though I dare asy you'll want to add error catching etc etc