VS 2008 : HTTPWebResponse.GetResponse() Returns "Remote Server Return Error: 401 Unauthorised"
Jun 14, 2010
Trying to POST a username & password to my PHP script at www.example.com/web-service.php which gets that info and echos true or false.
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
'Connect to web-service
Dim hwrRequest As HttpWebRequest = HttpWebRequest.Create("http://www.example.com/web-service.php")
[code]....
Am I missing anything? It stops and throws that error on the line that calls GetResponse()?
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Mar 8, 2011
i am getting error 401 un authozied, but i am giving correct user name and password of the network user name and password of my system.
i am getting error in this line
HttpWebResponse
loWebResponse = (HttpWebResponse)loHttp.GetResponse();
[code]....
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Sep 20, 2011
I'm currently working on making a database driven app without using SQL and instead using a simplistic web directory to store information.Unfortunately after just beginning I hit a rock wall on creating a login screen. As it works right now, every user has a directory and within that directory is file called "access" which has a password. While I'm aware that's it not secure, that's later to come, but right now I'd just like it to work. But the program uses WebRequest to see whether or not there is a directory under the given username, if there is then the username is considered valid and it moves on to check the password- where I start to have trouble. The password verification uses WebRequest and WebResponse as well, using StreamReader to read the access file. At the moment, the password checker only works once in a single program instance. Otherwise trying to check another login will cause the program to hang or freeze when declaring the WebResponse variable (resp).
This is the password verification code (with URL's removed):
Dim Username As String = My.Settings.usrUsername'The function is in a BackgroundWorker so I use My.Settings to communicate with the UI.
Dim Password As String
Dim usrPassword As String = My.Settings.usrPassword
[code]....
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Dec 13, 2010
I tried using suggestions from other posts for this and still no resolution. When sending a POST request, at times it will just begin to freeze and stall. I set up my code as follows and now basically if I cannot figure out why it is freezing, then itneeds to timeout, handle the exception and restart the function.
For i As Integer = 0 To searchItems.Count - 1
If uri.Scheme = uri.UriSchemeHttps Then
Dim request As HttpWebRequest = HttpWebRequest.Create(url)
[code].....
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Oct 19, 2009
I've made this script to read the lines from the txt. But when I try to login I just get this " The remote server returned an error: (530) Not logged in." Even I "logged in" at the link.
vb Private Sub Refresh_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Refresh.Tick
TextBox1.Text = GetWebSiteSource("ftp://<myusername>.<mypass>/<serverip>/<serverIP>%20port%2027016/Server%20Documents/log.txt")
Dim lines As New List(Of String)(IO.File.ReadAllLines(TextBox1.Text))
Tname1.Text = lines(0)
[Code]...
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Apr 22, 2010
Ok, here is the problem,in vbscript, i was reading parts of streams
i.e.
teststrid = left (strLine,8)
teststrnm =rtrim( mid (strLine,15,30))
teststrx = mid (strLine,57,8)
teststr = left (strLine,3)
strFormcode = left (strLine, 10)
strSymmetrycode = left (strLine,14)
strSigncode = left (strLine, 10)
Even in cases that strLine length was less than the index used to split the string, the program kept running.Now i am trying to do the same in VB.net, but since the strLine is not always bigger than the index used to break the string, it ives an error.I do not want to use try catch, because i will have very dirty and uselless code.
I was thinking something like resume next, but i guess it doesnt exist anymore.
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Dec 5, 2010
posted again but this time its regarding both the webclient and the web reuqest giving me this error :S
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Jun 6, 2012
I am trying to copy upload files to remote server i get below exception.[code]...
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Feb 19, 2010
the remote server returned an error: (503) server not available m getting this error...wen i m trying to extract email id from a webpage...
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Sep 2, 2009
I am trying to upload a file to Mainframe machine from my VB.net application. I am getting the following error.The remote server returned an error: (501) Syntax error in parameters or arguments
[code]...
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Jan 11, 2011
Using vb.net 2005 - FtpWebRequest for ListDirectory always gets 550 error The remote server returned an error: (550) File unavailable (e.g., file not found, no access).
On both FTPListDirRequest.Method = System.Net.WebRequestMethods.Ftp.ListDirectory
FTPListDirRequest.Method = System.Net.WebRequestMethods.Ftp.ListDirectoryDetails
[Code]...
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Oct 27, 2011
remote server returned an error:(503) server not available-vb.net
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Jun 1, 2011
<p>I cannot for the life of me figure out why the below code works when I fire it from my localhost but does not work when I publish it. I am unable to remote Debug </p><p>but it seems that I am getting Error 2250... I've tried searching for it but its too damned generic a code?</p><p> </p><p>All I want is the UNC, why is everything in .NEt so damned difficult?
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Jun 17, 2010
When I tried to read the data of a http link using VB.net, an error occur. The error is:The remote server returned an error: (406) Not Acceptable.This error is only occur for some links.
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May 26, 2012
I am writing a small ftp application for a friend and I'm not sure whats going on here. I'll try to be as descriptive as possible. I get a 553 error "The remote server returned an error: (553) File name not allowed." when I try to upload a file.
[Code]...
I added a msgbox to show me what the path to the server is and this is it.Click OK and it gives me the error above.So I changed the "ofd.Files.FileName to ofd.Files.SafeFileName My msgbox now shows this:Then VS throws en error saying it can't find the file in the projects debug folder so I move it there and run the program and it uploads. I noticed that in the first msgbox it has forward and backward slashes could that be my problem or is it something else?
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Jul 11, 2009
I am trying to fill a web form (hosted in a remote web site) from a VB NET 2.0 Application.The web form has a submit button, as usually, in order to start some process and then send the result to some emails accounts).[code]
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Jan 16, 2012
below is my code for posting a value in php code and get response...but I am have an error The remote server returned an error: (401) Unauthorized
ddd
Try
Dim post As String
[code]....
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May 11, 2010
I attempting to download 6 files from my FTP site to a local server using VB 2008.After 1 or 2 files are downloaded I am geeting an error Bad sequence of commands.It appears the ftp connection is not closing then re-opening.[code]Then I change the file name. After the 2nd or 3rd file, I get the error message.How would I close the connection and reopen it without having to close the program?
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Jan 19, 2012
Why I am having error above? below is my code.
error
Try
Dim postData As String = "username=acelle&password=acelle&login=Submit"
[code]......
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Mar 11, 2010
I got a stored procedure to compare dates and if the date is not valid it returns an error in sql server.I need to know how i carry that across to vb.
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Apr 21, 2010
Is there a way to display an error message from SQL server to VB application. I have created a stored procedure and I would like the errors to be displayed in my application.
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Nov 20, 2011
I am developing a tool to get all elements of a web page (images, links etc...) and I am having a small problem with the Download button. I click it, and becuase we use a proxy at school no matter what I try it will always throw the error: "The remote server returned an error - (407) Proxy Authentification Required"How do I detect that the user is using a proxyAnd then if so, authenticate with it so that I can download the file?
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Sep 25, 2008
Does My.Computer.Network.DownloadFile work with FTP? When I attempt to use it, I get the exception: "The remote server returned an error: (500) Syntax error, command unrecognized."
Here's the code I'm using:
Dim UpdateAddress As String = "ftp://xxx.xxx.xxx.xxx" & lbDownload.Items(X).ToString
My.Computer.Network.DownloadFile(UpdateAddress, BasicPath & lbDownload.Items(X).ToString, "", "", True, 10000, False, FileIO.UICancelOption.ThrowException)
The FTP server is IIS6.
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Feb 2, 2009
I am using Visual Basic (VS 2005) windows 2003 and Exchange 2003. Also I have developed WEBDAV functionality for retrieving messages from my exchange. Everything worked fine until they have asked me to move to 2007. I already know that Microsoft has de empasized Webdav but they say that they still supporting it.My problem is that every time I'm trying to retrieve contacts or inbox or whatever I getting The remote server returned an error: (403) Forbidden Below is a sample of my code
Dim sQuery As String
Dim SNList As System.Xml.XmlNodeList
Dim Email1List As System.Xml.XmlNodeList
[code]....
I cannot find any examples written in Visual Basic for Exchange 2007. I want to start using the webservices but I cannot find any examples. Where can I find them ? Everything is written in C++ or C#.
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Aug 19, 2010
My.Settings.ConnectString = "Data Source=123.132.123.123,3306;
Network Library=DBMSSOCN;
Initial Catalog=Authorities;
User ID=AppUser;
Password=mypassword;"
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Apr 14, 2010
I've been messing around with my Sql Server all day and i still cant get a remote computer to connect to it. I've looked at various resources but really, i don't know where to properly look.
I've configured my Sql Server Express 2005 from the Sql Server Configuration Manger:
- Started Server Browser
- Enabled TCP/IP
- Changed my Sql Server Properties to Network Service
Then for my connection string in Visual Studio using VB.NET is:
ConnectionString = "Integrated Security=SSPI;" + "Initial Catalog=mydb;" + "Data Source=VAIOSQLEXPRESS;"
I am unsure about my connection string especially my Data Source. May someone tell me how to find my Data source? Or if there is anything I'm missing?
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Feb 9, 2012
I am trying to read the HKEY_USERS hive of a remote machine with this Class
Imports System.Management
Imports System.Management.Instrumentation
Public Enum RegHive As UInteger
[Code]....
The value of sSubKeyName is the user's SID + "" + Network (e.g. S-1-5-21-1606980848-2025429265-839522115-560021Network). Now under that key are various subkeys containing mapped drive letters. But it never returns anything.
Strangely, if I use the OpenRemoteBaseKey method it works BUT I don't want to use that because using WMI lets me specify alternate credentials and OpenRemoteBaseKey doesn't
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May 20, 2010
I have a vb.net app that is installed on server 2008 and registered as a remote app with approximately 70 users accessing it. There is an issue that when I put a new version of the app on the server, every user must remote desktop in and run setup.exe before the app will update to the newest version. If they try to run it without doing this step first, the app just runs the previously installed version under their login.
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May 16, 2012
I'm using ReportExecutionService to create file on a different server on the network. The application does the required job if I run it locally, but fails to create file when I publish it. The error I get is- Access to the path '\servernameapth..xyz' is denied. The folder has full access to Domain users. Here is my code to create a report file on a different server via an ASP.net app.
[Code]...
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Jul 2, 2011
I'm developing a online document management application for my client using the following technologies
Front End - VB.Net 2010 (Windows Forms)
Back End - SQL Server 2008 R2 Express (FILESTREAM enabled to level 3)
I wanted to store the files (*.pdf, *.doc, *.exe, .) using the FILESTREAM feature in SQL Server 2008 R2.I prefer FILESTREAM because sometimes the file size exceeds 2GB.I'm able to save and retrieve file with FILESTREAM (using Windows Authentication/Integrated Security).But my client wants to save or retrieve the file from different PC.So I'm in need of accessing the FILESTREAM BLOB from remote systems.
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