Force An Update Of .NET Application?
Sep 21, 2009
I have written an application for a customer, and the application is run in various locations around the world. The company carefully controls the release of the software to the various buildings where it is being used, and because of this, I have made use of the "Check for updates" feature. The problem I am faced with, is that the folks using this software more often than not answers "NO" when prompted to download and install the latest version of the application. This is unacceptable and ultimately, we'll need to go in and have them manually install the software.
We don't publish updates to the software w/o meaning for them to be necessary, and I find it hard to believe that Microsoft doesn't recognize this sort of thing as being needed when they designed the update procedures. Alas, this seems to be the case.
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Jun 12, 2009
Is it possible to use the strategy to force an application to update completely every s often to prevent piracy.I mean somenone manage to crack our click once application and make some modification.but inside the application there is some part of the code that make mandatory to update it.in each update all the application is replaced completely in this way the application on the user computer is a clean one and not the cracked one so the checks for seraching for serials numbers are reinstaed is it possibile to use this as technique to prevent piracy?
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May 9, 2011
I am using the following code to copy a file:System.IO.File.Copy(strOldFile, strNewFile)
But the trouble is that the newly-created file inherits the old file's timestamp. Is there a way to force the timestamp to update?
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Mar 27, 2012
I need to force a DataGridView cell to update the underlying DataTable.I fill a DataTable using my adapters Fill method, then set that DataTable as my DataGridView's datasource. Lets say one of my DataGridView columns is a CheckBox column.If I left-click a checkbox in the first row and then left click a different row in the DataGridView the underlying DataTable_RowChanged event fires, which tells me the first edit I did has gone to the underlying DataTable.If I left-click the checkbox in a row and then right-click the column header to display my context menu the DataTable_ RowChanged event doesn't fire because the DataGridView row is still in edit mode.I've tried Me.DataGridView.EndEdit(),but that doesn't cause my RowChanged event to fire,I need to ensure my underlying DataTable matches the data in the DataGridView, because I am getting a subset of my original table.[code]
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Jul 29, 2010
I have a DataGridView bound to a DataView. The DGV is setup for FullRowSelect and is ReadOnly. The first column contains a CheckBox to show that the Row is ready for processing. The user double-clicks on the row and the box is checked in the CellDoubleClick event. This works great.
I have a RadioButton on the page to hide any checked items. This allows the user to only have to look at the work that needs to be done. I use a filter on the DataView to make this happen. At the end of the CellDoubleClick, I call my ApplyFilter method, but the current row still shows up.
I got around this once before by writing some code to see if I needed to move forward or backward a row and also compared if there were any rows available, etc.
It seems to me that this relates to the value not being persisted back to the DataSet until the CurrentRow is changed in the DGV. Is there a way to force this data back into the DataSet without having to programatically change the value directly in the DataSet?
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Apr 5, 2010
I have a combobox where the SelectedValue on the combo is bound to a property on a business object.Everything works fine, but the property that's bound to the SelectedValue on the combo only gets updated when the focus leaves the control. I understand that the property doesn't get updated until the control is validated (loses focus), but I need it to update the datasource as soon as the dropdown is closed.I know I could probably leave focus from the control on the DropDownClosed event but I'd prefer something a little less kludgy.What's the best way to immediately update my datasource when the dropdown is closed?
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May 17, 2010
I have a label inside an update panel which I wouldl ike to use as a status bar.Basically the user clicks a button which executes a main fucntion that performs a series of tasks. I'd like to inform the user as to the state of the function as it progresses e.g.:
Stage 1: Retrieving data...
Stage 2: Calculating values...
Stage 3: Printing values...
Stage 4: Done!
I've tried updating the updatepanel directly from the function but it only updates the panel at the end of function (stage 4) and shows "Done!" (which I understand is how it should work).I've been looking into timers and threads to try and update the panel separate to the main function?
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Dec 19, 2010
I am running a test program for VB.NET, and it will simply crunch a million numbers in for loop. I've linked a variable implying the progress of the for loop with the progress bar, but it seems that when I run the program, the progress bar does not update itself. The bar itself has only value 0-100 as input (as stated in the document) and I've tested it without using the for loop, and it works.
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Jan 14, 2012
I'm fairly new to ASP.net development.th something I have been spinning my wheels on. I would like to update the value a textbox and then load some data when a user clicks a button. I have this working perfectly but unfortunately the textbox change isn't visible until AFTER the data loads. I've tried several methods, updatepanel, backgroundworker, and async
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Jan 29, 2010
How would I go about forcing a seperate application to the foreground?
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Nov 26, 2010
I want to prompt users to save file instead of opening file in application. For example if user click a mp3 file link....mp3 file must not be open in win media player...instead user promoted to download that file.
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Oct 24, 2010
I have a background process that require about 1 min to come to completion.
All the data are in memory and it does not need to read the harddisk.
I have noticed that the CPU utilisation during the full minute is less than 20%
is there a way to force the application to use more cpu to reduce the calculation time?
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Jul 14, 2006
How would I go about forcing a seperate application to the foreground?
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Apr 12, 2007
What I'm trying to do is to launch Powerpoint Wiever 2003 in my secondary screen.I can get a form to launch in the 2nd screen but any programs I launch from that form stary screen.[code]
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Dec 4, 2011
I have a server (server A) that has several public IP addresses. I am building a desktop application that will run on server A to fetch data from another server (server B) using the httpwebrequest class.
What I would like to do is be able to programatically direct the application to use a specific IP address from the one the server (A) has.
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Jul 14, 2009
I need to be able to run multiple instances of a standalone (3rd party) application. This application prevents multiple instances from being ran from within the application. I need to basically override this.
I know it can be accomplished by hexing the original executable, however I would like to stay away from this method as I'd like for other users to be able to use my application from the get go without needing to hex the 3rd party app themselves or me having to send them the hexed app. Is there any way to achieve this or am I just taking crazy pills?
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Feb 8, 2011
Here's the scenario, winforms application, monitoring via Task Manager Processes Tab.On initial launch spins up to ~61,000K (initial data grid and data loads)If I minimize the application, not touching or doing anything the Mem usage drops to 1,380K.When I restore the application is spins back up to only 5.8K
So my question is, does the minimize send some internal message to clean up resources since the application in question is not in focus?The first app I noticed this in happens to be VB.NET, but I've observed the same behavior in my main C# winform applications.
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Oct 5, 2011
I need to create a small application that will force a user to enter an even number but i MUST use a loop. Here's what i've come up with:
Quote:
Dim bynombrepair As Byte
bynombrepair = InputBox("Entrez un nombre pair")
If bynombrepair Mod 2 = 0 Then
[Code]....
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Apr 22, 2010
I would like to try and implement a feature wherby once you have logged into an application (straightforward winforms application) and had your credetials verified the application would then force you to log on again if no activity had been detected in the application for a certain number of minutes. In essence I want to provide some extra security for those occasions when users get up and wander away from their machines for prolonged periods.
I have all the logic for logging into the application, it's just the checking for no activity over a given period and then forcing the user to log back in again that I'm not having much luck with.
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Sep 2, 2011
I have a backup script i made in VB. part of the code im having trouble with:
HTML
code:
Now this code is executed when a button is clicked, if the folder does exists, it displays a message and continues the backup. however if it does not it displays displays "does not exist box" then i want the application to close.
I played around with the application.exit commands but it seems like the code just skips over it, and continues to try and backup the data, then errors out. how do i make the application close, if the dir does not exist?
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Jul 13, 2011
I have developed a desktop program, works on network.I am trying to create a setup for this program. But in the domain, there is a policy about installing softwares.I mean its not allowed to install any program for users.How can i achive this goal that: i want my software to update from a specific location on the network without asking to users automatically.
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Mar 16, 2012
I want to make my applications to have a self update function. My applications have only one file, the main .exe. For updating, I want to use the best way: the program download it's new version overwriting itself; and on next start the program will be the updated version. I tried to use the ShadowCopyFiles, but all the times the main file is locked, so cannot overwrite it (or delete or anything). I found many examples in the internet like this:
[Code]...
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May 8, 2009
I would like to implement update to my applications but not in the automated fashion. I would like the user to check for update, through version control in my database, and if there is a newer version, it will automatically shutdown the user's application and run the update (copy and replace files in the users application folder). After the update, it would restart the application for use. I was thinking in creating a .msi for creating and replacing files, still don't know how to create it! My main concern is to be able to implement a proven and correct .Net method for Updating applications. A best practice for deploying and executing updates to my applications.
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Feb 25, 2011
How can I update an .mdb file via VB application? I'm able to add but i can't seem to figure out how to edit.
Dim cn As New OleDbConnection
Private Sub btnOk_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnOk.Click
[Code].....
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Mar 11, 2010
im trying to update access from vb.net application. when excuting im getting this error: the microsoft.jet.oledb.4.0 source="c:...."provider was not registered on the local machine. when i go and run cmd to register ddl files. i was able to register msjet40.dll and msjetoledb40.dll with the other dll a box pops up: the module "c:..." was loaded but the entry point dllRegisterServer was not found?
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Jun 12, 2011
I have an application X version 1.0 in Visual Basic 2008 and forwarded through setup installed on a user's PC. In this application was in these settings:
Imports System
Imports MySql.Data.MySqlClient
Now you have a link to webshop and uses HttpWebRequest. There fore I added the following settings :
Imports System.Net
Imports System.Text
Imports System.IO
[code]....
Now I have application X version 2.0, Build with Visual Basic 2008 My question is how can I get the application X version 2.0 application on the user PC so that these settings will be available? This application X version 1.0 is for several months in use!
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Oct 29, 2011
What is the best way to make anupdate able application?
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Jun 3, 2011
I have a stand alone application "test.exe" on a Windows 7 operating system.I have an application "test.exe" made in Visual basic 8.0.I have an "Auto Update" function . Call this function from "test.exe". In the first line in "test.exe".This function does the following:
1. This checks whether the current version is older than the version on specific site, if so:
1a. Removed all *. old
1b. Rename test.exe to test.old
1c. dowload new test.exe
I'm afraid I get an error when I rename "test.exe" to "test.old" because "test.exe" is now active.How can I prevent this or what else should I do?
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May 19, 2011
I Created the setup for my vb.Net appliaction and installed it on the client systems. The application uses MS Access as the database. So i manually added the file to Setup project under its application directory.
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Nov 23, 2009
I am trying to create a update application for Windows CE.
It will go out on the net to my site and see if there is any new updates but I am having a problem doing that.
Firstly it is working fine if I create it using a 'Windows Application' but as soon as I Copy + Paste the code to my 'Windows CE' app (smart device, windows CE) it comes up with an error.
I am using .net framework 2.0.0 and vb.net 2008
Here is the code which I am using:
Code:
Function DownloadFile(ByVal sURL As String, ByVal pProgress As ProgressBar, ByVal Filename As String, ByVal Prefix As String, ByVal Rename As Boolean) As Boolean
Dim wRemote As System.Net.HttpWebRequest
[Code].....
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