Zip Files Are Corrupted When Created
May 29, 2009
I've been having a very odd problem when creating zip files in vb.net. They are ok when I run the code and save the file locally. However, if I run the program via remote desktop, and then save locally, the zip file is corrupted, and will not open (message "cannot open file:it does not appear to be a valid archive").I have tried opening it as a txt file, and found that there is a load of HTML at the bottom of the corrupt version, that the non-corrupt version does not have. Anyone got any idea how this extra HTML might have got there?[code]
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Jul 26, 2011
I have an editor created invb.net that creates html files. And when i click the button run , the Internet Explorer opens my file that is inside the Richtextbox.
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Jun 10, 2009
I have VB project and I tried to use PUBLISH feature.It seems to create nicely some kind of setup program, but the setup program does not ask where to copy files (it does not seem to copy filesto target machine "PROGRAM FILES".)Is this setup program somehow different from usual installers?
NOTE: I want that app files are installed to Hard disk( from USB stick source)Is the signing recommended or necessary? My App is pretty simple, its just using access DB + printer api, should I still sign?
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Jul 30, 2011
I have an app where a user enters information on a ticket and that ticket is saved off to a file on a share.Later on, when the ticket is closed or resolved, the file is deleted.Pretty straightforward.The below code is used to achieve this but, and this is the odd part, I'm finding that sometimes the app does not write the file and other times it will not delete it.I've confirmed that the user is running the latest version, that the tool isn't in off line mode, that all the appropriate criteria are set to true before entering the routines. It works 99% of the time but every so often it doesn't create/delete the file and there are no errors thrown or anything.Going into this section of code, chkOffline is not checked, "GoNoGo" is set to "Go", "Type" is set to "Live" and all fields have been filled out on the form(and vetted).What's more, there are other actions earlier in the app/sub that rely on these same conditions and those actions are getting carried out.[code]
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Apr 2, 2009
I am need of creating a windows executable that contains a compression of certain other binary files, (executables etc)
It is a basic form with a button, on press of the button, it has to decompress certain binary files( some other executables too) into a certain path, the decompression happens based on some specific conditions and not always., This is the reason I could not use WinZIP to create the EXE.
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Feb 21, 2011
I create some files in VB.net from a master file but when I try to open the newly created file, Excel starts and nothing is displayed, you can see the outline of Excel and it's menus and nothing else. You can't do anything with excel except close the entire application. [Code] It is upon trying to re-open where it fails, outside of the VBE. I have not had a problem like this using VB6 before, so I am assuming I am doing or not doing something.
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Jul 26, 2009
I know how to monitor newly created files etc but what i want to do now is monitor firefox and IE when they close. my application is running in the bg and i need it to perform a command when the browser closes.
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Mar 23, 2010
I am trying to put some Visual Basic Solutions/Projects into Source Code Control. Is there a list anywhere of all the Directories/Files that are created Dynamically by the compile that I can exclude from the repository.
i.e.: Release or obj or dll directories
If so, is it the Directory and All the files under it, or do some of the files need to remain like .xml files.
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Oct 7, 2011
Are DLL files created by creating a Class file in VB ? If not, what are their purpose ? If I were to create a class that held the functions I needed for my program to function, would the class file compile with the assembly as a DLL ? Do I have it all wrong ?
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Mar 14, 2009
Hi,Can anybody let me know how to identify file created version of two MPP files.Ex: I have two MS project files on my PC, one is created in MS project 2003 and other is created in MS project 2007. How can i identify the file created version of two files through programing.
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Jun 9, 2011
I want to create a program that I can create a Text file folder on my desktop and move all the text files into the folder.
Here is what I have so far:
Below is where I create the Text folder:
Dim myPath As String = IO.Path.Combine(My.Computer.FileSystem.SpecialDirectories.Desktop, "Text")
[Code].....
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Oct 7, 2009
Private Sub submit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles submit.Click
m_streamWriter.BaseStream.Seek(0, SeekOrigin.End)
i += 1
m_streamWriter.Write("{0}{1}{2}{3}{4} ", i, " ", TextBox4.Text, " ", DateTime.Now.ToLongTimeString() + ControlChars.Lf)
m_streamWriter.WriteLine(" " + ControlChars.Lf)
m_streamWriter.Close()
[Code]...
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Mar 11, 2011
I have a Datetimepicker, when i select a date it brings up in a listbox all the files created on that day but in no particular order. So i wanted it sorted by when they were created (not to fussed either ascending or descending). i tried using the code below with no luck, This adds multiple of blocks of the same files on the selected date
[Code].....
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Oct 27, 2009
creating a new folder on a temporary file and moving/copying a file on the newly created temporary file.
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Jun 1, 2010
I have a program that creates excel and word documents from another main Excel workbook. Essentially it opens excel checks data, posts data to appropriate forms. It then saves them as (number from main excel) & date/time stamp and corresponding extension. I want to be able to list the created documents according to the number from the main excel workbook.
[Code]...
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Aug 3, 2011
How can I get the output data of sql procedure from SQL Server to my asp.net[vb.net] page dropdown list?<asp:DropDownList ID="DdLocation"></asp:DropDownList>
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Aug 16, 2011
I keep getting the following error message when I run my vb.net web app:The state information is invalid for this page and might be corrupted.After a good search, I came across this Microsoft page, which describes the problem exactly. The likely cause seems to be "scenario 2":[code]I appear to have prevented this error from happening by using EnableEventValidation="False" in the Page node of the markup as recommended here.
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Jan 8, 2009
I got a CRC checksum now and I get a Message in this Format SOH, Length Of Incoming Message, Message, CRC Checksum So I have a nice little look to processes the message and everything, Now I have questions on two events, While this loop is running it awaits for Data on the wire to come through and Checks for the SOH, I always get that but what are the chances of NOT getting a SOH, and if I don't what should I do with the Buffer Dump everything Till I come to another SOH? And on another scenario If two Packets are clashed together in one buffer should I always try to Peek and see if the Next byte after the CRC is a SOH to see if there is more Bytes and an whole another command to start Parsing and then take action?
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Feb 21, 2012
I know this is old hat, but when you're faced with a problem you cannot solve yourself, you need to find someone with the correct answer.In short, go to the wise.
I am working on an application that has a lot of records, and it uses a listbox control bound to a binding source attached to a table in a data source.A new record with data is added to the binding source's attached table, and, of course, to the underlying sqlServer database table:
[Code]...
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Apr 29, 2011
I have a data set in the User control . It was working fine but now when I started using another copy of the user control it started showing error DataTable internal index is corrupted: '5'.
dim dv as dataview
dv = new dataview(ds.tables("Names")
dv.rowFilter ="CatNum ='"& val&"'" 'This will always give one row only
dv.item(0)("Names") = myvalue ' here the exception is occurring
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Jul 18, 2009
I've been getting wierd errors due to what appears to be compiler side errors, based on a corrupted compile that the compiler keeps using until i do something drastic like copy an entire module or function into noteback text editor, save my code, restart VB 2010, and paste it back in.[code]you may ask yourself, why do i even bother having the select case statement in the loop?c1 never gets high enough in the loop for your select case statement do anything (case: 99999, moreover u make c1 = itself, so there is no change in c1's value) The answer is that at one point i was making the select case statement do something, but when i tried to delete the entire select case statement, execution would simply fall through the loop.The for loop would only execute once.It would only do this with "optimizations enabled" outside of the debugger.Inside the debugger it worked fine, but every time outside of the debugger it would only execute once UNLESS i kept the meaningless select case statement in there.
Then, not wanting to see it there any more, i tried deleting the entire function (copying the text to notepad), recompiled (delete the calling line for the function), saved, exited, restarted systems (tried restarting system many times b4, but not b4 doing all this), opened VB, delete the select case statement out of notepad, copied the edited function from notepad to VB, recompiled and magically it finally worked.Understanding a little about optimization at machine lvl coding it appears the next c1 was optimized out by the compiler, instead using the end select statement to loop back to the top of the for loop.However, upon deleting the select case statement, it never reintroduced a loop back at the "next c1" statement, casuing execution to fall through.i've noticed this error occur about half dozen times (in other forms: by error i mean the comiler saving an optimization, but when the code that prompted the optimization is deleted, the compiler is not able to properly undo the optimization) while building my program, and my suggestion (rather than hunting down each of these errors), is to force the compiler to rethink the logic of of the program from scratch (which is what i thought it did already everytime i hit compile), but these experiments make me think its saving an error some where that only copying the function to note-pad and back again could make it purge.
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Sep 8, 2011
I was working on project when i noticed all of my changes on my project wont update when i run the or build it. I also tried to publish, delete forms maybe the form is corrupted but no luck.
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Sep 27, 2010
i'm using the code below to display a tutorial about my application, the problem is that when it display it seems to corrupt certain letters. i have attached an image for you to have a better understanding. I'm creating the manual in MSWord2007 and saving it as "Single File Web Page". The file get corrupted on the second 'Using'.
[Code]...
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Oct 28, 2010
I'm using vb.net 2003 and I've tried to generate a report in Excel using POI, but I have a problem when the records is above 2000, cell formats has been missing or corrupted for the next 2000 and above records. And when I'm opening the generated report and It shows a message of "To many different cell formats" and the next message is "Excel encountered an error and had to remove some formatting to avoid corrupting of workbook. Please re-check you formatting carefully." Can anyone help me on how to fix it or can anyone else have an another idea for me to format all does cell whether it's 2000 records an above. [code]
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Sep 3, 2008
It's working kinda, but at the end when transfer is finished the file on the ftp is corrupted. I found about 3 ecamples online with this class and they all give me the same corruption
Code:
Imports System.Net
Imports System.IO
[code].....
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Mar 11, 2010
I am presently using VB2010 to develop charting application. I have noticed that whent he applications are developed on my hp dv7-2270us notebook and stored on an external harddrive, if these same applications are then opened on my dell latitude d610, i will recieve a corrupted external harddrive error. Usually this can be repaired with check disk.
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Mar 21, 2011
I write text to a file using StreamWriter as shown below several times a second. The problem I have is that sometimes these files are left blank after my program has crashed or the computer has crashed. I've done several searches on the internet without any results other then writing to a second file, copying over the file and then deleting the extra file when done. If this method doesn't have any error modes it still appears to be less then a beautiful solution. (What happens if the computer crashes when writing over the original file?)Is there a more secure method for writing the text file that doesn't leave it vulnerable? This happens way too often. I never find errors related to file writing. I really want this code to be reliable enough that I could just pull the plug on the computer
Try
Dim mSW As IO.StreamWriter = New IO.StreamWriter(countFile, False)
mSW.WriteLine(CStr(totalCount))
[code].....
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Feb 3, 2011
<p style="margin:0cm 0cm 0pt"><span style="font-family:Calibri; font-size:small">Im Anhang finden Sie ein VB-Programm zur Reproduzierbarkeit des Fehlers „Data Table Internal Index Is Corrupted 5".</span></p><p style="margin:0cm 0cm 0pt"><span style="font-family:Calibri; font-size:small">Folgende Schritte sind durchzuführen:</span></p><p style="margin:0cm 0cm 0pt"><span style="font-family:Calibri; font-size:small">Entzippen in ein geeignetes Verzeichnis</span></p><p style="margin:0cm 0cm 0pt"><span style="font-
[code]....
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Mar 9, 2011
I seem to be having some problems with my projects for school. I use Visual Studio 2010 on Windows 7 Professional at school and I do my homework on Visual Studio 2010 with WinXP SP3 (fully updated) at home. When I move the project files back and forth the projects become corrupted. I get the following problems.Form controls move or properties do not work as they are specified in the property box such as:
Link label with the property set to hoverUnderline text.Labels that move position.I also get x86 errors that show up during a Debug or Build, such as:x86 Only one reference to Resources is allowed.I need to be able to work on both my WinXP SP3 (fully updated) machine at home and use the schools Win7 Professional machine to both complete projects and get my project graded.
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Feb 7, 2011
This is a problem with MS Access, but I can't seem to find an MS Access Forum, so I'm asking it here.I have a large table of just one field. The field type is Byte. I use CTRL C and CTRL V to make a copy of the table.I then compare the Source and Destination tables and lo and behold they are different at about record number 8 million.I also tried an Append Query to append to an empty table (I haven't tried a Make Table query).But, similar corruption.The source and destination tables do not end up the same. The Record where the failure occurs varies, but it is always greater than 8 million.I tried this on MS Access 2002 and 2010 (both with an Access 2002 database).
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