Extracting Zip File Using System.IO.Packaging?

Feb 13, 2012

This is the code I have right now

pZipFilename = "C:\123\1234.zip"

Using pkgMain As Package = Package.Open(pZipFilename, FileMode.Open, FileAccess.Read)

For Each pkgPart As PackagePart In pkgMain.GetParts()

The problem I'm having is that pkgMain.GetParts() never returns anything even though the .zip file has around 100 items in it.

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Where Can Find System.IO.Packaging

Sep 3, 2010

I am trying to compress and uncompress files. I have read that System.IO.Packaging might suit my needs, but I can not find it. I am using VS 2008 professional. Imports System.IO.Packaging at the top of class does not work (it throws an error). I did find system.io.compression. Does this replace packaging? If it does, does it handle .7z and .rar files?

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Use System.io.packaging To Create Own Zip Class?

Apr 28, 2010

I'm trying to use system.io.packaging to create my own zip class. I've got it to work, but i'm not happy with the compression rate. In the code below I've set it to the maximum compression rate, yet winrar is able to create a zip (at maximum compression) that is 2/3 of the size when I make it. Am i doing something wrong?


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IDE :: Import System.IO.Packaging Into VB 2008 Program?

Jul 15, 2009

I am attempting to read Excel 2003 cell content through a Visual Basic 2008 program. Searching Help for the subject yielded an example Function named XLGetCellValue (ByVal fileName As String, ByVal sheetName As String, Byval addressName As String) As String

This function required the following Iports:

Imports System.Xml
Imports System.IO

upon pasting the above three Iports to the Program, Igot the following error message:Warning 1 Namespace or type specified in the Imports 'System.IO.Packaging' doesn't contain any public member or cannot be found. Make sure the namespace or the type is defined and contains at least one public member. Make sure the imported element name doesn't use any aliases.

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Packaging A Set Up File?

Dec 28, 2010

I would really like to know if there is anyway in which I can package two or more set up files together with my vb.net application; so that after installing the application, it automatically starts installing the other applications from the other set-up files.

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Include .sdf Database File When Packaging Application?

Apr 20, 2011

I was able to create an application in VB.net that talks to a SQL Server CE database.Now i want to deploy this application using the publish feature with clickonce.An issue im having tho is when I install the application on another computer it keeps looking for my sql server on my development pc.

Ive added the .sdf when i package my solution but its still an issue.How do I change my connection string to connect to the .sdf file that I included in the package? this is my current connection string which looks at the sql server: connectionString = " Data Source=CHRIS-PCSQLEXPRESS;Initial Catalog=ce_db;Integrated Security=True"

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VS 2005 Packaging Namespace 'file Contains Corrupted Data'

Sep 29, 2009

I'm using the System.IO.Packaging namespace to compress a file. I'm getting an error that says 'file contains corrupted data'. So i tried using a txt file with just a few characters, and I got the same error. I read where someone said to make sure you have all streams closed and I checked this and do so I'm not sure what to try now. Here is my code.


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Visual Basic 2008 Extracting Div Tags, Extracting Title Tags, Extracting Keyword Tags, Parsing Div Tags?

Nov 7, 2009

I was just wondering how to extract or parse any particual tags (whichever I specify) from webpages. I know how to extract text and links from webpages, but I tried to use the same method from the following code for div tags, title tags etcetera and it doesn't seem to work:


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File I/O And Registry :: Extracting Md5 String From Text File?

Dec 21, 2010

i am working on a project to extract all md5 hash from a text file;btw i don't mean the text file hash i talking abt the hash string inside the file?

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Extracting Url Source Code ,url Not Extracting All?

Apr 25, 2012

I have been working lately on a program who extracts URl Source codes!The program does work with most of URL but not for MEdiafire URL!When i check the source code from the web browser i can see there is some code missing;y tried diferrent types of Encoding.

Example:This is the final source code extracted from WEBBROWSER(Firefox,InternetExplorer,GoogleCrome)

<div class="mf_lightbox_btns lb-footer" style="text-align: right;">
<a href="javascript:void(0);" class="secondary btn" onclick="$('body').removeClass('has-virus'); return false;">Dismiss Message</a>
<a href="http:www.bitdefender.com/mediafire/fix-it.html" target="_blank" class="alt btn">Get BitDefender</a>


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Copying A File Or Extracting It?

Nov 8, 2011

i want to store 2 files in the program and the user clicks the button a dialog shows and the user go to the directory he wants to add these 2 files that stored in the program, How to Do This??

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Extracting An Image From EMF File?

Jun 17, 2010

While searching in the net i got few lines of code in VB for extracting an image from EMF File.

I tried to convert that into Delphi but doesnt work.

converting this code to delphi.

Public Function CallBack_ENumMetafile(ByVal hdc As Long, _
ByVal lpHtable As Long, _
ByVal lpMFR As Long, _


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Extracting Text From Htm File?

Aug 21, 2009

I am trying to extract text from an htm file (output.htm) to write into an SQL database.

I used "pdftotxt" to re-write the original pdf document into an htm file, in 'raw' format, and end up with lines like this:



What I am trying to do, using the above example, is to look for anywhere in the list where a date(e.g Mon24) is followed by lines containing KL ####, and to extract the date and the KL #### for writting to a database.

It seems like a huge task that is way beyond my limited capabilities, so I would be very grateful for some sample code in VBasic.

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Extracting A Line And Create A File In .net?

Sep 18, 2009

I have a text file in c: as abc.txt which displays empid=e001, name=john, salary=5000 Now, we need to have a method which wil take empid as parameter and will find the line with the empid and create a text file with that line

e.g if we pass e001 to the method it will write empid=e001, name=john, salary=5000

to a new file with the name e001 So all these files created will be stored in a folder c:epository

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Extracting A Resource File And Copying It To PC

Feb 3, 2010

I am trying to copy an image from my resources to the user's pc.


Dim SourceFile As String
SourceFile = My.Resources.image1.ToString
FileIO.FileSystem.CopyFile(SourceFile, "c:Images" & "image1")

Isn't working for me. I am getting this error during debug:


FileNotFoundException was unhandled
Could not find file 'System.Drawing.Bitmap'.

It is definitely in the resources folder and it is spelled correctly. I actually just let intellisense autofill as I went...

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Extracting Literal Values From A Xml File?

May 25, 2011

how to capture the 'ID' literals from the following xml file example using VS and VB 2010. I plan to assign it to a temp variable for later use.

<?xml version="1.0" encoding="utf-8"?>
<Row Sortorder="1">


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Extracting Text From Emf In A .pptx File?

Dec 22, 2009

I am trying to extract text from a .pptx file. I am able to extract from all other shapes except a shape that is identified as a msoPicture to right click on this shape in powerpoint and ungroup it, but when I try to do this from code it tell me that the ungroup method only applied to group shapes.I did some research and found out that the msopicture shape comes from a .emf file but I don't have the least idea how to ungroup this shape or get the text from it through code.NB: When I right click on the shape in powerpoint and select ungroup a message box pops up saying "This is an imported picture, not a group. Do you want to convert it to a Microsoft Office drawing object?". But I cannot seem to find a way in code to convert this shape to Ms Office drawing object.

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Reading And Extracting Data From Csv File Using VB?

Jun 10, 2011

This is the code i wrote in order to First open a csv file as excel, then find the required three columns, n then read data from them n save the data into another variables showing them in textbox. As about the csv file, it contains many columns out of which my focus is on only 3 columns under title ID, L, Lg.Problem is Excel doesnt actually open but Excel.exe process runs in task manager. But by this point its not the compile error; Compile error comes at 'Next' Statement. It says Compile Error: Next without For!!

Private Sub cmdFind_Click()
Dim xlApp As Excel.Application
Set xlApp = New Excel.Application


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Use RegEx In Extracting Data In A File?

Apr 13, 2009

I've tried to extract certain data using Regex in a File. but it seems not working.No errors and warnings have been found.[code]...

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VS 2008 Extracting A File From Resources?

Dec 21, 2010

I have a program made in VB that on a button click extracts a exe file from its resources to the HDD then runs the program and deletes it after it closes. I first used the desktop to extract the file to, but seeing as I need to use this program on several computers the account names will be different so this is of no use. I've tried using C: but access is denied.

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VS 2008 Extracting File Details?

Jun 21, 2009

I've found all sorts of threads about extracting file icons, and I'm able to do that no problem, but I would like to also extract some other information from a file (like you can find in the properties window), such as the file description. Are there any commands that are geared specifically toward getting this information?

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VS 2008 Extracting Icon From .exe To .ico File?

Jul 20, 2009

I have been looking everywhere to find a way to extract the main icon from for example c:/test/file.exe and put the icon in for example c:/test/fileicon.ico i did find something but the icon looked dreadful, it must of been like 16 colours.

anyway if someone has managed to do this or knows how to do it please help before i go insane.

also i will settle for knowing how to do it with reshacker.exe instead which i also cant get to work.

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Extracting Data From CSV File Into Searchable Structure?

Jun 25, 2010

I have a csv file with 48 columns of data. I need to open this file, place it into a data structure and then search that data and present it in a DataRepeater. So far I have successfully used CSVReader to extract the data and bind it to myDataRepeater. However I am now struggling to place the data in a table so that I can filter the results. I do not want to use SQL or any other database.

So far, this is working in returning all records:
Private Sub BindCsv()
' open the file "data.csv" which is a CSV file with headers"
Dim dirInfo As New DirectoryInfo(Server.MapPath("~/ftp/"))
Dim fileLocation As String = dirInfo.ToString & "data.txt"
Using csv As New CsvReader(New StreamReader(fileLocation), True)
[Code] .....

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Extracting Data From Listbox To Excel File?

Jun 6, 2011

i am a newbie to visual basic .neti have a vb.net database that has 3 textboxs that go to a listbox and also store in a database.i was wondering if i can extract the data from the listbox to excel like a csv file or something along them lines s i have no clue on how to do this.

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Extracting Email Address From Word File?

Jan 12, 2012

I have a word file that i need to read all emails from and create an email list.

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Extracting One File Out Of Zipped Compressed Folder

Dec 22, 2010

I am trying to programmatically extract from a compressed zipped folder which has the path of c:abc.zip and 4 files within the folder (one.txt, two. txt,three.txt and four.txt). I want to place two.txt in a destination path of c:xyz wo.txt.

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Deploying And Packaging In .net2008?

May 9, 2010

how to deploying and packaging in vb.net2008

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Packaging And Deploying Application

Jan 24, 2010

I have prepared an application which uses SQL Server 2005 Express Edition as its database and Reports using Crystal Reports which comes integrated with VB .net 2008.I am able to package and deploy my application alone. To the system where I am going to install doesnot have SQL Server or Crystal report runtime files.I want to include the same in my package so that it gets installed and followed by my application.I have chosen install application from the same location and tried to package it. It doesn't work.Please suggest me steps so that I can have the required softwares packaged with my application so that the user when he installs, it installs at one go.

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VS 2010 Packaging A Database With An App?

Mar 27, 2012

just picking up on VB.net after a long absence and still trying to get into the swing of things.

I am looking to write a program for work, which is essentially a skills database. However, I need the program to have a locally held database, which does not require a server.

What is the best way to go about incorporating a dataset into the current project so that when built, it will be accessible on any computer that runs the exe file?

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Extracting Data From XML File When User Click On Button

Oct 22, 2011

I am developing an application and one of the candys of the application is a form where data is extracted from XML from internet. I would like to know, if there is any possibility that, when user clicks button on my form, data is extracted from this XML file [Code]

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