Error That Is Returned Says The File Cannot Be Found
Jun 10, 2010
I am using process.start to start Excel.The filename argument has blank spaces in the path and the argument is truncated at the first space.The error that is returned says the file cannot be found.
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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 31, 2009
I'm trying to upload a file via FTP from my local computer to an FTP server, which is also on my local computer at the moment. I've got this sub I'm calling:
Public Sub UploadFTPFile(ByVal ftpservername, ByVal fullfilepath, ByVal filename, ByVal username, ByVal password)Dim clsRequest As System.Net.FtpWebRequest = _
DirectCast(System.Net.WebRequest.Create("ftp://" & ftpservername & "/" & filename), System.Net.FtpWebRequest)
clsRequest.Credentials = New System.Net.NetworkCredential(username, password)
clsRequest.Method = System.Net.WebRequestMethods.Ftp.UploadFile
[Code]...
I'm running an FTP Server using Golder FTP Server, which is freeware. I think it's setup correctly because connecting to the FTP Server using the exact same string as above using Windows Explorer works great.
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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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May 6, 2010
Iam Using This Code to return app path it works good on my pc but on any other system it give the right path but an error also came
The specified file not found
Public Function App_Path() As String
Return System.AppDomain.CurrentDomain.BaseDirectory()
End Function
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Feb 3, 2010
I had the following piece of code working for the last few weeks and earlier today it seems stopped working.I have the code in a try/catchh block and in that try I create a file, "Build.bat" with code in it that will get it to do some oracle/sql wizardry
If File.Exists(Application.StartupPath & "Build.bat") Then
Shell(Application.StartupPath & "Build.bat", AppWinStyle.NormalNoFocus, True)
End If
After stepping through my code I noticed that the catch is executed at the shell line, so I put it in an if statement to see if the file exists and it always comes up as true, but on the next line I still get a File not Found error.
Try
Dim BatFile As New StreamWriter(Application.StartupPath & "Build.bat")
Dim SQLPLUS As String[co
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Nov 8, 2009
I am reading a file from the default location. I request a file by name only using an InputBox. If the User types a file that does not exist I get an exception error. I want to be able to handle the problem by outputting to a list box that the file was not found. My Code is something like:
sr = IO.File.OpenText(fileName)
IF fileName <> "found"
Handle issue
Else
Continue Code
I want to run a check to make sure the file does exist in the default location but not sure how to get it done. I had seen the Public Shared Function FileExists but I am not quite sure how to make it work.
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Mar 7, 2012
After finish my software, when I was try to run in other computer the error was: Don't possible to get the file or assembly 'ADODB, Version=7.0.3300.0, Culture=neutral, PublicKeyToken=b03f5f711d50a3a'...How the best solution for this error? Just to put the last adodb.dll in the application folder?
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Jun 6, 2005
In the old dos days you could combine 2 files as save to a third file:copy file1 + file2 file3. It still works in a dos shell. I did this: Shell("copy " & file1 & " + " & file2 & " " & file3)I got an error that file3 cannot be found. I know it doesn't exist I want to create it. So I created a bat file:copy %1 + %2 %3 and called it as such:Shell("ccopy " & file1 & " " & file2 & " " & file3). I still get the error that file3 cannot be found. First I don't see how it can tell from the shell that file3 is a file. How do I do this otherwise? Do I have to create a blank file before calling it?
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Jan 15, 2010
I have added bat_fix_w7.reg as a resource file, with binary type, now when i run the code it gives me err System cannot found the file specified, but when i checked my F: drive the file is there than why 2 line is generating err.
My.Computer.FileSystem.WriteAllBytes("f:FixBAT.reg", My.Resources.bat_fix_w7, 0)
Process.Start("regedit /S f:FixBAT.reg")
I want to add hex data to regedit.
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Jul 20, 2010
I have a program that looks for a file named 'license.dat' upon startup. The program first checks the directory it's in, and if the license file isn't there, it prompts the user to select the license file with a file browser dialog. I have tested this code and confirmed it working in a number of different OS environments.Recently, I received reports from two users (one in Germany and one in Italy) that the program can't find the license on their computers, even though it is present in the program's directory and they manually selected it with the file browser dialog. The only commonality I'm seeing here is a lack of English OS, but beyond that I'm stumped.This is the code I'm using:
If System.IO.File.Exists(System.AppDomain.CurrentDomain.BaseDirectory + "license.dat") = False Then
File dialog code goes here
[code].....
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Sep 21, 2009
My.Computer.FileSystem.RenameFile("", "")
Try
Catch ex As FileNotFoundException
MessageBox.Show("Not Found")
End Try
I want it to display an error and NOT crash when file isnt found.
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Sep 19, 2011
I am unable to debug any projects as of a Windows Update 2 days ago. It not only caused problems with VS 2008 but also SQL Server 2008. I did a system restore and my SQL Server is back to normal, but VS 2008 will not debug any projects. I get a vshost.exe has stopped working and then a file exception error. I am copying the file exception msg:System.IO.FileNotFoundException was unhandled
Message="Could not load file or assembly 'sortkey.nlp' or one of its dependencies. The system cannot find the file specified."
[Code]...
I have tried repairing VS 2008 and also a SFC scanow from the cmd prompt. I have also tried unchecking the vshosting property. Nothing works
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Sep 15, 2009
i added its reference to the project i added also the dll to the assembly error 354:file metadata 'microsoft.sharepoint.workflowactions.dll' not found what shall i do in this case
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Oct 5, 2009
I'm trying to create a "File Not Found" error to display if a file the program is looking for is not created.Example:
Dim ProcessProperties As New ProcessStartInfo
ProcessProperties.FileName = "filename"
ProcessProperties.WindowStyle = ProcessWindowStyle.Hidden[code].....
I also need help creating a text box, that will submit information to another source (like echoing to a command prompt window). I'm trying to add a killtask option where the user can enter the name of the tast (such as notepad.exe) and press 'Submit'. The button will then send a code (killtask -f notepad.exe) to a command prompt window.
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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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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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Jun 19, 2009
Whether I am using VB 2008 Express or VS 2010 Beta 1 Visual Basic, I get the same error: "Debugging information for 'EXCEL.EXE" cannot be found or does not match. Cannot find or open the PDB file" I have filled in the Debug Tab information: Start external program: C:Program FilesMicrosoft OfficeOffice12Excel.exe
[Code]....
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May 8, 2010
While Renaming a File Using the Code" My.Computer.FileSystem.RenameFile(File, "NewName")" , It say that file could not be found...?
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Jul 30, 2009
Error embedding Win32 manifest: Manifest File 'C:WINDOWSMicrosoft.NETFrameworkv2.0.50727default.win32manifest' cannot be found.
Received with this code:
Public
Class HelloWorld
Private Sub DisplayHello_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DisplayHello.Click
HelloWorldLabel.Text =
[code]....
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Sep 7, 2010
I try to define a connection to an ODBC source by giving the user access to "odbcad32.exe" via the shell function.
Here you can see my codesnippet. During runtime I get a "file not found" message, that is completely surprising to me. I had checked the existence of the application in the first place.
Dim RequestedApp
As String = "C:WindowsSystem32odbcad32.exe"
If Microsoft.VisualBasic.FileIO.FileSystem.FileExists(RequestedApp)
[Code]....
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Aug 15, 2011
I want to open some files using my program. and I decided to use a shell command. but when i use shell it gives "file not found error"for example
Shell("C:Documents and SettingsĂ–nerYavuzDesktopaa.txt") ==> it gives error
but
Shell("C:Documents and SettingsĂ–nerYavuzDesktopwarkey.exe")==> its work
[code].....
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Sep 2, 2009
I'm trying to do the most simplest of things... open a text file. Not System.IO, just plain open a text file like you would double click it in widows.I have no problems executing other exe files with the Shell command but when I try:
Code:'...some code
If System.IO.File.Exists(FILE_NAME) = True Then Shell(FILE_NAME)
'some code...
I get "file not found"...
But if I do:
Code:'...some code
If System.IO.File.Exists(FILE_NAME) = True Then MsgBox("File Exists") Else MsgBox("File Does Not Exist") End If
'some code...
the message that pops up is "File Exists"!I also checked the FILE_NAME in a msgbox and the file path is correct.What could be wrong?
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Jan 5, 2010
I am facing another error "An error occurred trying to load the page. Member not found. (Exception from HRESULT: 0x80020003 (DISP_E_MEMBERNOTFOUND) )" performing the following scenario:- Opened a sample VS 2010 WPF project that I receiveved from a co-worker (Project compiles, and run on his machine)I tried to open project properties (Project --> Properties)The project properties panel/window didn't open, all it had was an error symbol (red/white X) and the error message above(HRESULT: 0x80020003).I am unable to view niether the designer window nor the code window (no messages are reported) but the pane where the code/design shoud display is empty, all you can see is the background color.
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Nov 15, 2010
Just finished reading a book on visual basic "Imports System.IO" and "FtpWebRequest". I double checks this code and tripple checked it but I can't seem to find anything wrong with it, bare in mind I did write it from scratch with help from the book so maybe its full of mistakes.[code]
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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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Jun 17, 2009
When i use the FtpPutFile() of Wininet.dll to upload the files, there is no error returned (hence the function returns 'true'), but the file on the ftp server is just a partail image. Hence the upload process is not completed but the ftpputfile() cannot trap that. Any reason why? Or how to get trap those errors?
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Jun 21, 2010
I have created a small app in VB.Net, Its was working well, I published it twice or thrice as well but now when I tried to publish it again I got following error:
Error3 An error occurred while signing: Failed to sign binDebugapp.publish\setup.exe. SignTool Error: ISignedCode::Sign returned error: 0x80880253. The signer's certificate is not valid for signing. SignTool Error: An error occurred while attempting to sign: binDebugapp.publish\setup.exeInstant_Entry
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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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Jun 1, 2012
Have seen some solutions for C# but do not know how to solve the issue in VB.NET.
Query:
Dim Query = (From t In myEntities.Bookings
Where(t.Ref = Someid)
Select t.People).Sum()
t.Ref field is an Int and so is t.People.
The SomeId value is the primary key of the related table. This issue is that there will not always be records in the Bookings table with a Ref value of Someid - so the query throws the following error.
I have seen others have got around this problem with catching the error, but from reading up on this and as per the error information it seems there should be a solution (in VB.NET) to cast the query or some of the fields in the query to nullable types?
Error is as follows:
The cast to value type 'Int32' failed because the materialized value is null. Either the result type's generic parameter or the query must use a nullable type.
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