VS 2010 Synchronize Files?

Jul 5, 2011

I have written a stupid backup utility that copies new or modified files. That's fantastic until I come across files that are 11 GB in size that have been modified. I have a feeling I can compare the file to be backed up and the file that will be over-written (old version of file) and "synchronize" the file instead of copying the entire 11 GB.

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Winforms - 2010 Synchronize Two Access Databases?

Sep 15, 2011

I'm writing a desktop application that uses the main access database that will be hosted on a central server, but there will be a laptop with the app on that has an offline mode so records can be created offsite. When the laptop returns I want it needs to be synced back to the main database.

Has anybody got any pointers on a way to do this, I've briefly read about JRO but is there an alternative / better method?

Originally, I was just going to write some custom code to do this, but thought I'd check to make sure there wasn't something already out there.

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How To Synchronize Combobox With Textfield

Sep 27, 2009

[Code]....

synchronizing a combobox with a textfield. I have a form with a textfield and a combobox. The combobox is populated with the department name from the database when the form loads. I would like the textbox to display the corresponding department number when the user selects a department name from the combobox. I have tried using the SelectedIndexChanged event of the combobox but I can't seem to code it to work. This is the code I'm trying to use but it is displaying "DEPARTMENT" in the textbox. Department Code is the primary key of the table.

strSQL = "SELECT * FROM DEPARTMENT"
Dim da = New OracleDataAdapter(strSQL, cn)
da.Fill(dSet, "DEPARTMENT" )

[Code]....

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IDE :: Application Settings Will Not Synchronize

Jan 6, 2011

I'm trying to get my application to restore the default values of my application settings but every time I click the Synchronize button it says:
No user.config files were found in any of the following locations.
I have never before tried to synchronize this application and am working with Visual Studio 2010. [URL].

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Synchronize Access And Sql Server?

Aug 15, 2011

I have a small application in ms access for student information. which is on my sever.now I have same application in .net and sql server which is online in my website, while access application is on my pc...Now I want that, If i make changes in my access application, the data must be copied to my online application automatically,Same thing i want vice versa,means if i make changes in my online application, the data must be copied to my desktop database.

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Synchronize Between Textbox And Listbox?

Jul 18, 2009

Private Sub TextBox1_TextChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles TextBox1.TextChanged
If ListBox1.Text = "kg" And ListBox2.Text = "lbs" Then

[code]....

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Synchronize Databases In Different Computers In A Lan?

Feb 20, 2011

I have my client app installed in many computers, each computer is connected via LAN. Each Client app uses its own SQL database. I need to synchronize the databases in each computer so that every client app has the same data. How can I achieve this using VB.net (VS 2010 , Winforms)

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Two Datagridview Synchronize Column

Dec 18, 2011

I have two datagridview with same columns. When user resize the column of one of the datagridview during run time, then another datagridview column will synchronize to resize as well..

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Unable To Synchronize The My.Settings?

Sep 29, 2009

With my program I wanted to change the fixed connection string to a User entered one. So in the application settings I added DBConnectionString as a user define String. If the string if empty, it shows the window where one can add the server, database and user name / password. If you press the OK button, it saves the settings:

Private Sub LDBOKBtn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles LDBOKBtn.Click
' ----- Server name is required.
If (Trim(LDBServer.Text) = "") Then
MsgBox("The Server or Host name is required.", _

[code]....

The problem is that when you press the same button to show the System Settings again, the ConnectionString is empty again. So nothing was saved.

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Way To Synchronize Dragged Controls

Jan 26, 2010

How can i synchronize dragged controls (in my application), so they maintain their relative position to each other? is there some API function or .net method that can do this?

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.net - Using SyncLock To Synchronize Access To List(of T)?

Nov 16, 2010

I have a class that contains a List(of T) used in a multithreaded application. I have three methods Get, Add and Remove where these access and modify the List(of T). I was using SyncLock to lock m_List any time I queried it for the desired object as well as when I added or removed objects. However I'm curious as to if there is a performance gain by simply locking m_List when I add an object or remove an object as opposed to when I'm searching for a desired object?

[Code]...

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Database - Synchronize Excel And XML Data?

Aug 19, 2009

I've got an XML file which is a pain to manually update. So I was thinking of creating a small app which synchronizes this data for me based on data from an Excel Sheet or something.

The XML schema looks like this:

<Data>
<Level1 value="Canada">
</Level1>
<Level1 value="Chile">

[code]....

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Synchronize Application Objects With DataSet

Mar 14, 2012

I sometimes come across patterns or common practices that I do not agree with. I have a clear opinon of what is considered "good design", which is mainly based on my understanding of abstraction and creating layers.IMO, the core of an application is it's object model. It's a hierarchic model where one object references other objects or lists of them. That's a memory-internal model. For example, a house object references a list of rooms referencing lists of furniture.An object is identified by it's reference. There are no IDs or PKs in that layer.Saving/Loading data is an additional feature. Sure, no application will do without, but it's based on top of the core of the application. I could write an application that works very well without loading/saving, and for version 2 I will think about whether to save data to a database or an XML file. Merely this fact proves that a database layer is not the lowest. I've never agreed with that three-tier model - even if you call me unteachable.

In addition to all application objects, there are Datasets - and that's my problem now. They can be considered as a copy of what is already present in the application's object model. Its from a different, table-oriented view. As both structures exist in parallel, there's the need to synchronize the DataSet with the (rest of the) application's objects.That's the task that I am always struggling with, and I ask how you handle it. I know this is a major design question but, fortunatelly, I could quite get around this problem so far.The only solution I can imagine is maintaining additional relation lists. For example, whenever the property of a room object changes, that change must be reflected in the associated DataRow in the DataSet. For this purpose, I need a look-up table that tells me the PK of the given room in the database. It requires a lot of additional efforst to do all the synchronization.Again, the house or room object itself does not have a PK and it won't get one because on that layer, it doesn't even know that a database exists.

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Synchronize Scrolling Of Two Webbrowser Controls?

May 19, 2011

synconize scrolling of two webbrowser controls in VB?

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Synchronize The Gmail Mails Using Mail.dll

Feb 16, 2011

I am using Mail.dll Commercial component. I can read the unseen or unread messages in my windows application. IF i open the mail using the [URL] then I cannot get the mail in windows application. Is there any way to synchronize the gmail mails

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How Reliable Is LastWriteTimeUtc To Synchronize 2 Folder On 2 Different Computers

Apr 28, 2011

how reliable is LastWriteTimeUtc to synchronize 2 folder on 2 different computers? what problems could rise using LastWriteTimeUtc.is there a better way to see if a generic file is of a newwer version?

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How To Synchronize Near Realtime Reads From A Sql Server Table

Sep 12, 2011

We have a reporting app thats needs to update it's charts as the data gets written to it's corresponding table. (the report is based off just one table). Currently we just keep the last read sessionid + rowid (unique combo) in memory and a polling timer just does a select where rowid > what we have in memory (to get the latest rows added). Timer runs every second or so and the fast sql reader does it's job well. So far so good. However I feel this is not optimal because sometimes there are pauses in the data writes due to the process by design. (user clicking the pause button on the system that writes data). Meanwhile our timer keeps hitting the db and does not get any new rows. No errors or anything. How is this situation normally handled. The app that writes the data is separate from the reporting app. The 2 apps run on different machines. Bottomline : How to get data into a c# app as and when it is written into a sql server table without polling unnecessarily.

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DataSet Thread-Safety - Synchronize Read Operations?

Feb 2, 2007

I have a multi-threaded application with several datasets that are read/written to from a couple threads. I have read that datasets can handle multiple readers and one writer. I have synclocks around all dataset writes and no synchronization around reads. I am experiencing random "Index was outside the bounds of the array." exceptions where a dataset item is in a conditional statement, for example:

[Code]...

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Synchronize Datatable And DataView For Read / Write Operations?

May 5, 2010

I have application in .net 2.0 in which I have a DataTable object globally in my application and have different dataviews in whole application.

When an action performed i have create many threads lets say 5 in which data is read from different dataview, meanwhile while 2/3 threads are reading data(not all 2 more left to read data) a thread write data in datatable. So we get exceptions like "Enumeration update" or "parameter not null" type.

I have use ReadWriteLock for this but do not find any luck it gets stop on ReaderWriterLock.AcquireWriterLock().

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VS 2010 Make A Code That Unzips Files And Then Move Those Files Into Another Zip File?

Feb 23, 2012

How do i make a code that unzips files and then move those files into another zip file?

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VS 2010 - Build My Project (or Publish) VB 2010 Makes And Exe And A Couple Ddl Files

Jun 6, 2012

The situation: when i build my project (or publish) Visual Basic 2010 makes and exe and a couple ddl files. when i run the project with the .exe and the other files the program works perfectly.

My problem: I want to share it with friends and it is just a verry little program ( a n internet radio) so i want it to be 1 .exe with out any other instalation needed so i can easly share it to anyone who wants it. when i make an even smaller program and Debud->build it, it is only 1 exe and no instalation needed. so is there a way to make my program to 1 exe only?

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Synchronize The Timer Event So That The Timer Executes From The Background Worker Thread?

Apr 23, 2009

I have a windows application that need to process som quite time consuming jobs. In my first try i did all processing under
the form thread. The result was bad response and update of the form due to the heavy jobs.To get around the problem with bad response from the form i created a new class "processing" where i put all the data processing. Then i instanciated a background worker where i in the "doWork" sub created a new instance of "processing".The "processing" class creates a timer from system.timer, and the timer drives the processing.On the Timer event Elapsed the timer starts a new thread from the thread pool.

My problem is now when i want to asynchronously close the background worker (with the corresponding function call what ever it is called ...) there is still a timer thread out there that causes exceptions for me.

1. How can i close my background worker and at the same time have the timer to be stopped?

2. Is there a way to synchronize the timer event so that the timer executes from the background worker thread?

3. Is there a better approach for me to adapt?

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Synchronize Time From The Global Time Server In C # Code

Aug 28, 2010

I am working on a windows application project on NIST time synchronization, but can't get a proper solution for it. If anyone can send me the code to synchronize time from the global time server in VB.net or C # code

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Synchronize Time With Remote Time Server?

Mar 11, 2010

how to set my pc time application sync with my remote time server?...my pc application is 192.1.2.1 and my time server is 192.20.10.1...

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VS 2010 Listing All Directories And Files And Sub Directories And Subdir Files?

Jun 19, 2012

I need to list all files folders, subfolders and subfolder files under a selected directory in a list box not sure how to do the logic in the last amount of code lines to enumerate all subfolders dna files.Here is what I have so far:

Dim OldProfileDir As String
Dim NewProfileDir As String
Dim Newdocs As String = ""
Dim Olddocs As String = ""

[code].....

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FTP Files With VB Express 2010?

Dec 7, 2011

I am using the following code to FTP upload files. I need to amend the code so that it uploads all the files in a folder rather than one set file as it does at present..

UploadFile("C:UsersUsernameDesktopDivinerDatadata01.sdb", "ftp://**my ftp server**/diviner/data02.sdb", My.Settings.User, My.Settings.Pass)Public Sub UploadFile(ByVal _FileName As String, ByVal _UploadPath As String, ByVal _FTPUser As String, ByVal _FTPPass As String)

[Code]...

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VB 2010 Printing PDF Files?

Feb 18, 2012

i am trying to print a pdf file.. i have acrobat reader in my pc and i have managed to open the pdf file inside the form i created in VB. When i issue the print command, the print dialog box of acrobat appears.If i input 1-4 in page range of dialog box, it doesn't print pages 1-4. I thnk the information i input at the print dialog box is not forwarded to the printer.

I am doing this because im making a project which can print documents as well as accepting payment thru the coin slot.

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VS 2010 - Parsing PST Files?

Feb 3, 2011

what would be the best way to parse a PST file for message info on messages and embedded messages/attachments?

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VS 2010 : How To Handle .zip Files

May 2, 2011

I have been working on a program and I need it to unzip a zip file. I tried handling a zip file as a directory but that didn't work.It wouldn't hurt if I could compress files into a zip file to! But I need unzipping the file first.This is my code handling it as a directory:

Dim count As Integer = Directory.GetFiles(My.Application.Info.DirectoryPath & "Games" & game & "�00.zip").Length
MessageBox.Show(count)

It has an error saying it is not a valid directory name.

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VS 2010 : How To ZIP Multiple Files

Aug 19, 2010

I use to ZIP one file:

Public Function CompressFile(ByRef file As String, ByRef destination As String) As String
'Make sure user provided a valid file with path
If IO.File.Exists(file) = False Then

[code]......

But I can't manage to ZIP more then one file! I've tried using an arraylist.

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