Copying Data A File Int An Existing File Where The Filename Of Both The Data File And Existing File Will Vary From User To User
Aug 5, 2011
I have a workbook (Workbook1) that runs through some steps using visual basic, which ends up opening another workbook Workbook2). Once Workbook 2 is opened, I need to copy a section of data from it, into Workbook1 int a specific worksheet. I was able to do this by recording a macro, but the challange is, the name of Workbook 1, and Workbook 2, will vary by User. When I created the macro it uses the files as they are currently named. The section of code is below.
[Code]...
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Nov 24, 2010
I have a csv file that needs to be automatically updated on a daily basis. I am writing a vb.net app to accomplish this. However, Im having issues with the entire process.I need to be able to read in a csv file, manipulate the data and then update the existing file. I have dabbled with using the Excel objects but I need some assistance.
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Jul 20, 2010
If the user chooses to save over an existing file, I want to essentially delete the file first, then re-create it and save to it. Basically, I don't want to append to the file. I want to completely overwrite. However, I am just running into all these snags. It basially deletes the file as soon as the savefiledialog box opens. before, it would simply append. [code]
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Feb 11, 2011
I want to create VB.NET code that will change the filename of selected image files that are already stored on my ISP's web server. I know how to do this by reading the image into memory and then saving it as a new file. However, I would prefer not to regenerate the image. I just want to change the filename. Is this possible?
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Jul 1, 2011
I'm using the FileSaveAs dialog control to allow the user to select a filename to save a file either as a doc file, an rtf file or a pdf file (that part was easy).However, after a bit of testing, it seems that the file extension doesn't automatically change when selecting the different file types.If the filename in the dialog is Foo.doc and I select FileType *.pdf and click "Save", my app still tries to save the file as a doc type.Virtually every other MS app automatically changes the extension to match a selected file type from the Office Suite to Paint. here's my code:
Dim dlg As New SaveFileDialog
dlg.InitialDirectory = m_sReportFolder
dlg.FileName = sProjectName & ".docx"[code]......
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Jan 13, 2011
Please see the code below:
Dim objExcel As New Excel.Application
Dim objWorkbook As Excel.Workbook
Dim objSheet As Excel.Worksheet
[code].....
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Apr 6, 2011
I Have an existing pdf file with some editable fields like text boxes and text boxes, where i can enter data manually and save the file,
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Mar 16, 2010
I'm fairly new to coding in Visual Basic, and I'm working on a project where I have to allow users to write data to an existing Excel worksheet (by entering the data into a form created in Visual Basic.NET). I've created a form that allows users to enter data such as the following:
[Code]...
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Mar 15, 2010
I'm working on a project where I have to allow users to write data to an existing Excel worksheet (by entering the data into a form created in Visual Basic.NET). I've created a form that allows users to enter data such as the following:
Name (First, Last)
Mailing Address
Email Address
Gender
Age
...and so on. I've programmed the data to be sent to the Excel file upon clicking on the Submit button in the form itself. I've also created the Excel file and placed it on my C: drive, but the problem I'm having is trying to send the data from the VB form to the Excel file itself. Can someone please show me some sample code or point me in the right direction as to how to get the submitted information from the form to save into the Excel file, please?
I'm trying to get the information to show up in rows and columns in Excel like the following below (the dashes are just to show that the information should be in rows and columns):
Name--------------------------Mailing Address-------Email Address-------Gender-------Age
John Doe---------------------2300 Jackson Street-------- xxx@xxxx.com-------Male---------17
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Apr 7, 2012
I need to save the results of each search that I run on my database, into an excel file. So it is an iterative process where the new search results are added on as new rows to the excel file in each export. I am running the following code which works perfectly fine but for the fact that each export is saved to a newly created excel file.[code]...
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Apr 22, 2009
I have the below code simply to save a name and email, however i want to preserve the current lines in the text file.
'Pass the file path
sr = New System.IO.StreamWriter("subscribers.txt")
'Write a line of text.
[code].....
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Aug 18, 2011
I'm using the following code to import data from a text file into an existing Access table:
[Code]...
The first time i ran the code, it caused no error but no records where loaded into the table. The second time it causes the OleDbException "Table 'TEMP' already exists."explain me wath am i doing wrong? The text file is comma delimited and it has exactly the same number of columns of the TEMP table.
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Dec 30, 2009
I'm looking for a code snippet that will add graphics (lines, circles, etc.) to an existing pdf file & write it out as a new file.
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Jan 24, 2012
here i am reading files from one root folder and after reading that we are moving that particular file Success folder and taking a copy of that in to back up folder normal
while reading file i will check file naming convention by targeting backup folder if suppose it was exists in backup folder then i m moving the file to duplicate folder
my problem if suppose again same file came to process this file already existed in duplicate folder how do send the file in to duplicate folder, unfornately i dint have any property as file rename
If File.Exists(Swift_Backup + "" + Path.GetFileName(CBFile)) Then
' File.Move(CBFile, Swift_Duplicate + "\" + Path.GetFileName(CBFile)) 'DUPLICATE FOLDER'
[Code]....
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Dec 30, 2008
When i try to save a file with the same name as the existing file the message box pops up asking me if i want to replace the existing file. When i click yes the program crashes and this message come up An unhandled exception of type 'System.ArgumentException' occurred in system.drawing.dll.[code]
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Nov 28, 2011
Can I safely move ReferencePath information from a .vbproj.user (or .csproj.user) file into the corresponding project file? Note: All developers will be using developing from the same location on their machines.We'd like to allow users to maintain their own settings for other things, but have this basic info be setup once and checked into source control to be shared to all.
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Sep 7, 2009
I want to create a new file from the file that i open using openfile dialog.The name of the file.. that i opend is JR00316-50Mil_WYW.ERR but the name of the file that im going to create is JR00316-TP-LOC.drl.
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Dec 15, 2009
I'm trying to copy a file from my.resources to a user directory thus:-
HTML
My.Resources.MyFile.Copy("C: empabc.xml")
I've also tried:-
HTML
File.Copy(My.Resources.MyFile, "C: empabc.xml")
Neither work.
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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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Apr 25, 2010
I'm Writing a Problem that will allow users to move data from one Data file to the next, using a Text file. My problem is that i so far i 3 test users.
No matter what test user is logged on it seems to be Reading the first user info no matter which one is on.
How do i get it to Only Read the User Info and show it up on text file that is Currently logged on.
Code:
Imports System.IO
Public Class TestForm6
Inherits System.Windows.Forms.Form
[Code].....
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Dec 31, 2010
I know how to write and read files but I can't seem to add 1 to an existing file.
This file currently contains "10" but when I click a button I want it to +1 to that number.
I've tried a.WriteLine(+= 1) but it gives me an Expression Expected erorr which I don't get how to fix or what's wrong with it.
If anyone can help me fix or give another code that +1 to the existing numbere.
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Sep 2, 2009
I have a very large text file about 4 million lines that I would like to separate into several small text files based on the strings contained in the first column of the text file. I want to open the large text file, choose the lines that apply, create a new text file with a name that has a number at the end of which will match up with the value in the first column of the text file. I want to then copy the applicable lines to the new small text file, save and close it. I'm not sure how to go about doing this after opening the large text file and using the readline method. What if the folder does not exist? Do we have to create it? I want this procedure to be general, as there could be up to 25 million lines in the text file.
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Mar 25, 2010
I have a VB .NET (VS 2008) application which allows the user to drag and drop a xls file onto the form and a DataGridView fills with the xls sheet data. The user than can apply changes to the data or add entries. Data integrity is checked during the load into the DataGridView (duplicates are removed and invalid entries are filtered out). After doing all this the user can click a button and the data is uploaded to a SQL server (2008) DB. I have a primary key set up (row number) and I have a compound key in the SQL table.
It is all working beautifully. Now here is my question:
I want to check for duplicate entries (between SQL server and DataGridView data) before the data is uploaded and commited to the table. What would be the most efficient way to that?
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Jan 28, 2009
I want to write out to an xml document from a database which I can do but how do I append to it if it already exists?[code]
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Jan 19, 2010
Im creating a login system that allows staff to clock in using a 5 digit code. Staff members can also use the "add an employee" function to add a new employee to the Random File.The problem is, everytime i try to create a new employee and hit the save button, the new record writes over the existing records, one by one, everytime the programme is stopped and started up again.
My Question is: How can i get the new record to be saved, without deleting existing records,
Here is the save buttons click method:FileOpen(fileNumber, "C:employee.dat", OpenMode.Random, OpenAccess.Write) 'open the file with Write Access
myEmployee.name = txtNewName.Text 'adds the name
myEmployee.id = txtNewID.Text 'adds the ID
FilePut(fileNumber, myEmployee, n) 'save to the file
FileClose(fileNumber)
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Aug 14, 2011
Over writing an existing file.
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Apr 21, 2009
This code is working but i have a few problem in sorting of existing file.. example. Output:
[Code]...
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Dec 5, 2011
I have xml file like following for displaying ads using asp:AdRotator in asp
<?xml version="1.0" encoding="utf-8" ?>
<Advertisements>
<Ad>
<ImageUrl>~/xxx/xxx.jpg</ImageUrl>
[code]....
now i want to add new data between ... tag in asp.net using vb how to do that..?
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Feb 10, 2009
i have started a program that reads the names, number and picture location from an xml file and populates text boxes. I now want to be able to update the text boxes and rewrite the xml file and save it to the same location.
Imports System.Xml
Dim H1 As New XmlDocument()
Dim xlist As XmlNodeList = H1.SelectNodes("/itemname")
[code].....
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Jun 16, 2009
I know how to set an attribute and set multiple attributes but how would I add a attribute to the existing attributes...
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