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probls with file upload script... pls help

hi.

i am having probs understanding how to grab a file being uploaded from
a remote client. i am using hidden input fields for upload such as:

<input id="my_file_ele ment" type="file" name="file_1" size=46 /><input
type=submit />

so, after adding a few files, the input fields look like this:

<input name="file_3" type="file"><in put style="position : absolute;
left: -1000px;" name="file_2" type="file"><in put style="position :
absolute; left: -1000px;" name="file_1" type="file"><in put
style="position : absolute; left: -1000px;" id="my_file_ele ment"
name="file_0" size="46" type="file"><in put type="submit">

I am using the microsoft-provided clsFTP class for uploading files to
my server. below is the code that calls the class and attempts to
upload the user-added files...

Dim ftpClient As New Code.clsFTP("19 2.168.10.10", "", "anonymous" ,
Context.User.Id entity.Name, 20)

If (ftpClient.Logi n() = True) Then

'Create a new folder
ftpClient.Creat eDirectory("FTP FOLDERNEW")

'Set our new folder as our active directory
ftpClient.Chang eDirectory("FTP FOLDERNEW")

'Set FTP mode
ftpClient.SetBi naryMode(True)

// TEST HERE WITH FILE_1 - ALWAYS FAILS
dim params as String = Request.Params. Get("file_1")

'Upload a file from your local hard disk to the FTP site.
ftpClient.Uploa dFile(Server.Ma pPath(params))

ftpClient.Close Connection()

End If

OK. the problem is that when Request.Params. Get("file_1") is called, it
gets the string path
of the file. so, ftpClientUpload File looks for that string in the local
directory, be it Server.MapPath or simply ftpClient.Uploa dFile(params).
Since this file is coming from the *user's computer* and not my Web
Server, how do i do this?

eagerly awaiting responses...

Dec 9 '06 #1
7 3176
First thing, avoid using the Params collection. It's a performance hit since
it looks at the querystring, form, servervariables , and cookies collections.
It's always best to refer to the collection you want directly. Are you
FTPing the files to a server different than the one the web page is on? If
not, then you don't need FTP. You need to have a form handler of some sort
behind the input type="file". Grabbing the value isn't going to get you
anything other than the file name. ASP.Net 2.0 has a FileUpload component
built in. This will generate the appropriate html in the form of the input
file box, plus it will give you access to the file itself for download when
the user posts back to the server through something like a typical ASP.Net
button-click event. You can then call the FileUpload component's SaveAs
method to save the file somewhere directly, or you can use the Stream
property to get at the raw filestream to do something different with it
(such as attach the raw stream to an email as an email attachment).

Also, I don't know if the IP address you're using is simply for testing, but
keep in mind that the IP address 192.x.x.x is a non-routable address.
Basically that means nobody outside your immediate network (ie: behind your
router) will be able to find it since it's not meant to be accessed by the
outside.
--

Hope this helps,
Mark Fitzpatrick
Former Microsoft FrontPage MVP 199?-2006


"pbd22" <du*****@gmail. comwrote in message
news:11******** *************@8 0g2000cwy.googl egroups.com...
hi.

i am having probs understanding how to grab a file being uploaded from
a remote client. i am using hidden input fields for upload such as:

<input id="my_file_ele ment" type="file" name="file_1" size=46 /><input
type=submit />

so, after adding a few files, the input fields look like this:

<input name="file_3" type="file"><in put style="position : absolute;
left: -1000px;" name="file_2" type="file"><in put style="position :
absolute; left: -1000px;" name="file_1" type="file"><in put
style="position : absolute; left: -1000px;" id="my_file_ele ment"
name="file_0" size="46" type="file"><in put type="submit">

I am using the microsoft-provided clsFTP class for uploading files to
my server. below is the code that calls the class and attempts to
upload the user-added files...

Dim ftpClient As New Code.clsFTP("19 2.168.10.10", "", "anonymous" ,
Context.User.Id entity.Name, 20)

If (ftpClient.Logi n() = True) Then

'Create a new folder
ftpClient.Creat eDirectory("FTP FOLDERNEW")

'Set our new folder as our active directory
ftpClient.Chang eDirectory("FTP FOLDERNEW")

'Set FTP mode
ftpClient.SetBi naryMode(True)

// TEST HERE WITH FILE_1 - ALWAYS FAILS
dim params as String = Request.Params. Get("file_1")

'Upload a file from your local hard disk to the FTP site.
ftpClient.Uploa dFile(Server.Ma pPath(params))

ftpClient.Close Connection()

End If

OK. the problem is that when Request.Params. Get("file_1") is called, it
gets the string path
of the file. so, ftpClientUpload File looks for that string in the local
directory, be it Server.MapPath or simply ftpClient.Uploa dFile(params).
Since this file is coming from the *user's computer* and not my Web
Server, how do i do this?

eagerly awaiting responses...

Dec 9 '06 #2

thanks tons for your reply mark.

yes, the local IP addy is just for testing. And, i am FTPing to another

box on the network that is not the same box as the Web server.

i considered your suggestion about asp:fileupload but i decided to go
another route mostly because i want to avoid trips to the server if i
can. so,
i hunted down the below page which does everything on the client except
for the actual upload:

http://the-stickman.com/web-developm...-file-element/

i also liked the fact that this script allows the user to add as many
files as possible
via one input box (well, it looks that way, anyway. the additional ones
are added
as "hidden" dynamically).

so, if i am not going with the asp FileUpload utility, how do i grab
the file for FTP?
you are right that i am just getting the string version of the file,
and not the actual
file. how would this be done with a <input type=file?

thanks again for the help.

Dec 10 '06 #3
Forgive me if I'm misunderstandin g you, but it sounds like you're using an
FTP client to upload a file to an HTTP web application. Can you be more
specific about the Work Flow of your app? Apparently, you have an ASP.Net
page that has a file upload element in it, and the file begins by uploading
a file via HTTP (your ASP.Net page) to your web server. What happens after
that? How is the uploaded file handled by your web application? Is your web
application attempting to transfer it to an FTP server, or what?

--
HTH,

Kevin Spencer
Microsoft MVP
Logostician
http://unclechutney.blogspot.com

There is a madness to my method.

"pbd22" <du*****@gmail. comwrote in message
news:11******** *************@8 0g2000cwy.googl egroups.com...
hi.

i am having probs understanding how to grab a file being uploaded from
a remote client. i am using hidden input fields for upload such as:

<input id="my_file_ele ment" type="file" name="file_1" size=46 /><input
type=submit />

so, after adding a few files, the input fields look like this:

<input name="file_3" type="file"><in put style="position : absolute;
left: -1000px;" name="file_2" type="file"><in put style="position :
absolute; left: -1000px;" name="file_1" type="file"><in put
style="position : absolute; left: -1000px;" id="my_file_ele ment"
name="file_0" size="46" type="file"><in put type="submit">

I am using the microsoft-provided clsFTP class for uploading files to
my server. below is the code that calls the class and attempts to
upload the user-added files...

Dim ftpClient As New Code.clsFTP("19 2.168.10.10", "", "anonymous" ,
Context.User.Id entity.Name, 20)

If (ftpClient.Logi n() = True) Then

'Create a new folder
ftpClient.Creat eDirectory("FTP FOLDERNEW")

'Set our new folder as our active directory
ftpClient.Chang eDirectory("FTP FOLDERNEW")

'Set FTP mode
ftpClient.SetBi naryMode(True)

// TEST HERE WITH FILE_1 - ALWAYS FAILS
dim params as String = Request.Params. Get("file_1")

'Upload a file from your local hard disk to the FTP site.
ftpClient.Uploa dFile(Server.Ma pPath(params))

ftpClient.Close Connection()

End If

OK. the problem is that when Request.Params. Get("file_1") is called, it
gets the string path
of the file. so, ftpClientUpload File looks for that string in the local
directory, be it Server.MapPath or simply ftpClient.Uploa dFile(params).
Since this file is coming from the *user's computer* and not my Web
Server, how do i do this?

eagerly awaiting responses...

Dec 10 '06 #4

hi kevin,

well, its the other way around. i am using an HTTP Web application to
upload files to an FTP server. i am new to this so, corrections
welcome.
the user is on the Web server where he accesses the upload page.
he uses the form outlined in the Stickman link to upload multiple
files. .
once he hits "upload" on the upload page, the script is called that
logs
onto the FTP server and sends the file from the user's computer to the
FTP server (via the Web server).

i was thinking that this will cause havoc on the http traffic and that
the best
way to do it is to redirect the users to the FTP server (for the
presentation layer)
so the whole upload process is handled by the FTP server. is this the
way to go?

So:

1. User Logs On To Web Server (ASP.NET Pages)
2. User Accesses Upload Form On Web Server
3. User Uses Hiddend Inputs To Upload Multiple Files
4. User Hits Upoload_Click On Same Form
5. Upload_Click runs VB.NET script that calls clsFTP
6. clsFTP is a script that logs onto the FTP server (a different
computer) and,
if all goes well, sends the file(s).

here is a link to clsFTP:
http://www.dotnethero.com/hero/vbnet/ftp.aspx?nmx=8_4

thanks again,
peter

Kevin Spencer wrote:
Forgive me if I'm misunderstandin g you, but it sounds like you're using an
FTP client to upload a file to an HTTP web application. Can you be more
specific about the Work Flow of your app? Apparently, you have an ASP.Net
page that has a file upload element in it, and the file begins by uploading
a file via HTTP (your ASP.Net page) to your web server. What happens after
that? How is the uploaded file handled by your web application? Is your web
application attempting to transfer it to an FTP server, or what?

--
HTH,

Kevin Spencer
Microsoft MVP
Logostician
http://unclechutney.blogspot.com

There is a madness to my method.

"pbd22" <du*****@gmail. comwrote in message
news:11******** *************@8 0g2000cwy.googl egroups.com...
hi.

i am having probs understanding how to grab a file being uploaded from
a remote client. i am using hidden input fields for upload such as:

<input id="my_file_ele ment" type="file" name="file_1" size=46 /><input
type=submit />

so, after adding a few files, the input fields look like this:

<input name="file_3" type="file"><in put style="position : absolute;
left: -1000px;" name="file_2" type="file"><in put style="position :
absolute; left: -1000px;" name="file_1" type="file"><in put
style="position : absolute; left: -1000px;" id="my_file_ele ment"
name="file_0" size="46" type="file"><in put type="submit">

I am using the microsoft-provided clsFTP class for uploading files to
my server. below is the code that calls the class and attempts to
upload the user-added files...

Dim ftpClient As New Code.clsFTP("19 2.168.10.10", "", "anonymous" ,
Context.User.Id entity.Name, 20)

If (ftpClient.Logi n() = True) Then

'Create a new folder
ftpClient.Creat eDirectory("FTP FOLDERNEW")

'Set our new folder as our active directory
ftpClient.Chang eDirectory("FTP FOLDERNEW")

'Set FTP mode
ftpClient.SetBi naryMode(True)

// TEST HERE WITH FILE_1 - ALWAYS FAILS
dim params as String = Request.Params. Get("file_1")

'Upload a file from your local hard disk to the FTP site.
ftpClient.Uploa dFile(Server.Ma pPath(params))

ftpClient.Close Connection()

End If

OK. the problem is that when Request.Params. Get("file_1") is called, it
gets the string path
of the file. so, ftpClientUpload File looks for that string in the local
directory, be it Server.MapPath or simply ftpClient.Uploa dFile(params).
Since this file is coming from the *user's computer* and not my Web
Server, how do i do this?

eagerly awaiting responses...
Dec 10 '06 #5
ok,

i think i may be close. if you have read my previous post, apologies as
i think this
might be why i am having probs sending the actual file(s) to the
server. when my ASP.NET
page loads, it loads with the <formtag provided in the Site.master
page.

so, the page in question loads with this tag:

<form name="aspnetFor m" method="post" action="upload. aspx"
id="aspnetForm" >

but, per the online reading, i have to include a form tag on my page
that will call the server code and reference the enctype. hence:

<form name="uploadFor m" id="uploadForm " action="data_up load.aspx"
enctype="multip art/form-data">

so, both of these tags appear on my upload page. i am guessing this is
causing some
confusion?

how do i change the form tag if it is required in the Site.master page?
thanks again.

Dec 11 '06 #6
Well, the concept is okay (having a user upload a file to your web
application, and then having the web application upload the files to the FTP
server), but you're missing the part where you get the file from the web
client. You need to use the Request.Files Collection to get the files. This
is because any HTML form for uploading files must have the enctype attribute
"multipart/form-data", and you can't read the files without it.

--
HTH,

Kevin Spencer
Microsoft MVP
Logostician
http://unclechutney.blogspot.com

There is a madness to my method.

"pbd22" <du*****@gmail. comwrote in message
news:11******** *************@1 6g2000cwy.googl egroups.com...
>
hi kevin,

well, its the other way around. i am using an HTTP Web application to
upload files to an FTP server. i am new to this so, corrections
welcome.
the user is on the Web server where he accesses the upload page.
he uses the form outlined in the Stickman link to upload multiple
files. .
once he hits "upload" on the upload page, the script is called that
logs
onto the FTP server and sends the file from the user's computer to the
FTP server (via the Web server).

i was thinking that this will cause havoc on the http traffic and that
the best
way to do it is to redirect the users to the FTP server (for the
presentation layer)
so the whole upload process is handled by the FTP server. is this the
way to go?

So:

1. User Logs On To Web Server (ASP.NET Pages)
2. User Accesses Upload Form On Web Server
3. User Uses Hiddend Inputs To Upload Multiple Files
4. User Hits Upoload_Click On Same Form
5. Upload_Click runs VB.NET script that calls clsFTP
6. clsFTP is a script that logs onto the FTP server (a different
computer) and,
if all goes well, sends the file(s).

here is a link to clsFTP:
http://www.dotnethero.com/hero/vbnet/ftp.aspx?nmx=8_4

thanks again,
peter

Kevin Spencer wrote:
>Forgive me if I'm misunderstandin g you, but it sounds like you're using
an
FTP client to upload a file to an HTTP web application. Can you be more
specific about the Work Flow of your app? Apparently, you have an ASP.Net
page that has a file upload element in it, and the file begins by
uploading
a file via HTTP (your ASP.Net page) to your web server. What happens
after
that? How is the uploaded file handled by your web application? Is your
web
application attempting to transfer it to an FTP server, or what?

--
HTH,

Kevin Spencer
Microsoft MVP
Logostician
http://unclechutney.blogspot.com

There is a madness to my method.

"pbd22" <du*****@gmail. comwrote in message
news:11******* **************@ 80g2000cwy.goog legroups.com...
hi.

i am having probs understanding how to grab a file being uploaded from
a remote client. i am using hidden input fields for upload such as:

<input id="my_file_ele ment" type="file" name="file_1" size=46 /><input
type=submit />

so, after adding a few files, the input fields look like this:

<input name="file_3" type="file"><in put style="position : absolute;
left: -1000px;" name="file_2" type="file"><in put style="position :
absolute; left: -1000px;" name="file_1" type="file"><in put
style="position : absolute; left: -1000px;" id="my_file_ele ment"
name="file_0" size="46" type="file"><in put type="submit">

I am using the microsoft-provided clsFTP class for uploading files to
my server. below is the code that calls the class and attempts to
upload the user-added files...

Dim ftpClient As New Code.clsFTP("19 2.168.10.10", "", "anonymous" ,
Context.User.Id entity.Name, 20)

If (ftpClient.Logi n() = True) Then

'Create a new folder
ftpClient.Creat eDirectory("FTP FOLDERNEW")

'Set our new folder as our active directory
ftpClient.Chang eDirectory("FTP FOLDERNEW")

'Set FTP mode
ftpClient.SetBi naryMode(True)

// TEST HERE WITH FILE_1 - ALWAYS FAILS
dim params as String = Request.Params. Get("file_1")

'Upload a file from your local hard disk to the FTP site.
ftpClient.Uploa dFile(Server.Ma pPath(params))

ftpClient.Close Connection()

End If

OK. the problem is that when Request.Params. Get("file_1") is called, it
gets the string path
of the file. so, ftpClientUpload File looks for that string in the local
directory, be it Server.MapPath or simply ftpClient.Uploa dFile(params).
Since this file is coming from the *user's computer* and not my Web
Server, how do i do this?

eagerly awaiting responses...

Dec 11 '06 #7
thanks again kevin.

ok, the problem can be boiled down to this one hurdle:

the compiler isnt seeing the uploadForm (multipart/form-data) form tag
inside the aspnetForm tag.

the following javascript function needs to call the uploadForm tag
surrounding the upload input elements:

function buildQueryStrin g(theFormName) {
theForm = document.forms[0];
var qs = ''

for (e=0;e<theForm. elements.length ;e++) {
alert(e);
if (theForm.elemen ts[e].name!='') {
qs+=(qs=='')?'? ':'&'

qs+=theForm.ele ments[e].name+'='+escap e(theForm.eleme nts[e].value)
}
}
alert(qs);
return qs

}

but, document.forms[0] calls the aspnetForm master page form tag, not
the upload form tag.
if i do document.forms[1], document.forms[2], document.forms[3] or
whatever, the compiler
can't find:

<form id="uploadForm " name="uploadFor m" enctype="multip art/form-data"
method="post">

which is embedded inside of:

<form name="aspnetFor m" method="post" action="upload. aspx"
id="aspnetForm" >

i know i have been milking this question for all its worth, but i am
positive this is my prob. i'll keep at it in the mean time.

thanks again.

Kevin Spencer wrote:
Well, the concept is okay (having a user upload a file to your web
application, and then having the web application upload the files to the FTP
server), but you're missing the part where you get the file from the web
client. You need to use the Request.Files Collection to get the files. This
is because any HTML form for uploading files must have the enctype attribute
"multipart/form-data", and you can't read the files without it.

--
HTH,

Kevin Spencer
Microsoft MVP
Logostician
http://unclechutney.blogspot.com

There is a madness to my method.

"pbd22" <du*****@gmail. comwrote in message
news:11******** *************@1 6g2000cwy.googl egroups.com...

hi kevin,

well, its the other way around. i am using an HTTP Web application to
upload files to an FTP server. i am new to this so, corrections
welcome.
the user is on the Web server where he accesses the upload page.
he uses the form outlined in the Stickman link to upload multiple
files. .
once he hits "upload" on the upload page, the script is called that
logs
onto the FTP server and sends the file from the user's computer to the
FTP server (via the Web server).

i was thinking that this will cause havoc on the http traffic and that
the best
way to do it is to redirect the users to the FTP server (for the
presentation layer)
so the whole upload process is handled by the FTP server. is this the
way to go?

So:

1. User Logs On To Web Server (ASP.NET Pages)
2. User Accesses Upload Form On Web Server
3. User Uses Hiddend Inputs To Upload Multiple Files
4. User Hits Upoload_Click On Same Form
5. Upload_Click runs VB.NET script that calls clsFTP
6. clsFTP is a script that logs onto the FTP server (a different
computer) and,
if all goes well, sends the file(s).

here is a link to clsFTP:
http://www.dotnethero.com/hero/vbnet/ftp.aspx?nmx=8_4

thanks again,
peter

Kevin Spencer wrote:
Forgive me if I'm misunderstandin g you, but it sounds like you're using
an
FTP client to upload a file to an HTTP web application. Can you be more
specific about the Work Flow of your app? Apparently, you have an ASP.Net
page that has a file upload element in it, and the file begins by
uploading
a file via HTTP (your ASP.Net page) to your web server. What happens
after
that? How is the uploaded file handled by your web application? Is your
web
application attempting to transfer it to an FTP server, or what?

--
HTH,

Kevin Spencer
Microsoft MVP
Logostician
http://unclechutney.blogspot.com

There is a madness to my method.

"pbd22" <du*****@gmail. comwrote in message
news:11******** *************@8 0g2000cwy.googl egroups.com...
hi.

i am having probs understanding how to grab a file being uploaded from
a remote client. i am using hidden input fields for upload such as:

<input id="my_file_ele ment" type="file" name="file_1" size=46 /><input
type=submit />

so, after adding a few files, the input fields look like this:

<input name="file_3" type="file"><in put style="position : absolute;
left: -1000px;" name="file_2" type="file"><in put style="position :
absolute; left: -1000px;" name="file_1" type="file"><in put
style="position : absolute; left: -1000px;" id="my_file_ele ment"
name="file_0" size="46" type="file"><in put type="submit">

I am using the microsoft-provided clsFTP class for uploading files to
my server. below is the code that calls the class and attempts to
upload the user-added files...

Dim ftpClient As New Code.clsFTP("19 2.168.10.10", "", "anonymous" ,
Context.User.Id entity.Name, 20)

If (ftpClient.Logi n() = True) Then

'Create a new folder
ftpClient.Creat eDirectory("FTP FOLDERNEW")

'Set our new folder as our active directory
ftpClient.Chang eDirectory("FTP FOLDERNEW")

'Set FTP mode
ftpClient.SetBi naryMode(True)

// TEST HERE WITH FILE_1 - ALWAYS FAILS
dim params as String = Request.Params. Get("file_1")

'Upload a file from your local hard disk to the FTP site.
ftpClient.Uploa dFile(Server.Ma pPath(params))

ftpClient.Close Connection()

End If

OK. the problem is that when Request.Params. Get("file_1") is called, it
gets the string path
of the file. so, ftpClientUpload File looks for that string in the local
directory, be it Server.MapPath or simply ftpClient.Uploa dFile(params).
Since this file is coming from the *user's computer* and not my Web
Server, how do i do this?

eagerly awaiting responses...
Dec 11 '06 #8

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Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it. First, let's disable language...
0
8192
Oralloy
by: Oralloy | last post by:
Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed. This is as boiled down as I can make it. ...
0
8332
jinu1996
by: jinu1996 | last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that...
1
7943
by: Hystou | last post by:
Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For...
0
5382
by: conductexam | last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one. At the time of converting from word file to html my equations which are in the word document file was convert...
0
3828
by: TSSRALBI | last post by:
Hello I'm a network technician in training and I need your help. I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs. The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols. I succeeded, with both firewalls in...
1
2338
by: 6302768590 | last post by:
Hai team i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
1
1442
muto222
by: muto222 | last post by:
How can i add a mobile payment intergratation into php mysql website.
0
1167
bsmnconsultancy
by: bsmnconsultancy | last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating...

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