Strange Behavior Between SQL Server 2008 R2 And VS2010 (Win7 And WinXP)

May 16, 2012

I develop my VS2010 project in my laptop with SQL 2008 Standard. In my laptop everything is working good, using the following connect string as global public string when the main form loads:

[Code]...

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VS 2008 - WinXP Ping Successful But Not Win7

Jan 19, 2012

I have a sub that I just discovered does not work for my windows 7 users but works fine for my windows XP users. This is basically a sub for a ping monitor to ping devices on a timer. What happens is that when the windows 7 user tries to ping, it always reports "down" on a windows 7 whether actually up or down. But, windows xp will report correctly with "up". 3 different windows 7 boxes, users say it worked before. Can't quite debug correctly as i'm on xp myself and it works just fine. Also, I haven't changed anything in the code in quite awhile and this is a recent bug that just started.

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick
Dim itm As Object
Sec = Sec - 1
If ListView1.Items.Count = 0 Then Me.Close()
If Sec <= 0 Then
[Code] .....

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Windows - Different Timestamps Under WinXP - Win7

May 15, 2011

Within a VB.net program I used IO.File.GetCreationTime to read the file system's creation time of a file. I was irritated, because the returned value didn't match with the time displayed in the explorer. On another machine the time was displayed correctly.

[Code]...

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VB2010 Working Like A Charm In Winxp But Few Crashing Errors In Win7?

Sep 20, 2011

ive decided to try out win7 since its finally a bit more debugged, ive backed up very carefully all my projects, however there semms to be a problem with the one i was working on, this first chance exception error has been avoided and not even mentioned in winxp however in win7 it not only mentions it but makes the application crash, This is what its nagging me about, i dont get it isnt windows7 the same when it comes to mydocs? Was not possible to locate part of the path: C:UsersEugenDocumentsIOrganizeSettingsCalendarConfig

Sorry i had to translate it, its in portuguese language, yeah i know... if i could i wouldve changed it but win7pro doesnt gimme that option, anyways back to the topic:

A first chance exception of type 'System.IO.DirectoryNotFoundException' occurred in mscorlib.dll

This is the code i came up with:

If My.Computer.FileSystem.DirectoryExists(My.Computer.FileSystem.SpecialDirectories.MyDocuments & "/IOrganizeSettings" & "/CalendarConfig/") = False Then
My.Computer.FileSystem.CreateDirectory(My.Computer.FileSystem.SpecialDirectories.MyDocuments & "/IOrganizeSettings" & "/CalendarConfig/")
End If

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AutoIncrement Column Strange Behavior On .mdb Files?

Aug 1, 2010

After a successfull bindingsource.AddNew(), .EndEdit(), TableAdapter.Update(), i'm trying to get the value of the PrimaryKey from the newlly added record wich is always = -1!

Private Sub BtnNewClient_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BtnNewClient.Click
If BtnNewClient.Tag = "New" Then
SetClientLayout(ClientLayouts.CLNew)
Me.ClientsBindingSource1.AddNew()

[code]....

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Datagridview Checkbox Column Strange Behavior?

Mar 2, 2009

I have a simple datagridview that I fill from a mysql database using the latest mysql connector.net.I configured my columns in the datagridview collection and the data displays fine.I don't want the user to edit data directly in the grid so my datagridview is not readonly but all my columns are except the checkbox one. If I set the datagridview readonly I can't check my checkboxes.I added a checkbox column to be able to delete multiple rows easily but I can't uncheck a checkbox.

Let's say I have 3 rows in my datagridview I check line 1 checkbox- I check line 2 checkbox- I uncheck line 1 checkbox- I check line 3 checkbox As soon as I check line 3 checkbox, line 1 checkbox becomes checked "automagically"

[Code]...

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Forms Exhibiting Strange Behavior On Different Computers

Dec 1, 2009

I have a VB 2008 program that has a number of forms. When I run the compiled program on a different computer, the form appears different. The relative position of various controls on the form are different. Its as if the controls have been repositioned. Resizing the form does not correct the problem. The only difference between the two machines is the size and resolution of the screens.

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Strange Listbox Contorl Behavior On Vista

Jun 10, 2009

i have simple application which contain one listbox.i am loading item in listbox from one file. around 130000 items in it.when i run this application on xp computer i am able to scroll down all item perfectly from first to end.But when i run this application on vista machine, it only shows 50% of item if i scroll down with that bar on right on listbox. but when i reach end of list (which is item number 65000) and than use "Down arrow " of listbox it move to item n umber 65001 and later and scroll bar move again center of listbox.After i move to record number 65001 and more by clicking down arrow and use scroll bar at center to move further down to end it again shows 65000 item.

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Enter Key Behavior On Win7?

Mar 6, 2012

i have a application based on Visual Basic platform.. where Enter key action as Tab key ,, which ease the enter key to move from field to field, rather than the tab key.. its works perfectly in Winxp ... but i'm having problem in Windows7 ultimate..

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Strange Error Appending Fields To Recordset In VS2010 After Converting To .NET 4?

Nov 25, 2009

I have some code from this site CodeProjectLink to convert a datatable to a recordset. This code had been working fine until I changed to .NET 4 (was previously 2), now when I call the following line:

Dim result As New ADODB.Recordset()
result.CursorLocation = ADODB.CursorLocationEnum.adUseClient
Dim resultFields As ADODB.Fields = result.Fields

[code].....

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Debug The Managed / Unmanaged Boundry - VS2010 On Win7 64bit?

Jan 13, 2012

debug the managed / unmanaged boundry environment: VS2010 on Win7 64bit

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Wallpaper Changer Class - Class To Change The Wallpaper In Winxp And Win7

Jun 12, 2011

here a simple class to change the wallpaper in winxp and win7. i think it will work on every windows version.

[Code]...

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VS2010 Converted 32bit App From .Net 1 To .Net 4 Not Loading Without Local Version Of SQL Server 2008 Express Running?

Mar 28, 2011

I have an application that will not load unless my local SQL Server is running on an Vista Home Premium machine. This started after a .Net 1 to .Net 4 conversion. I am using a sub main sub that is not being called (msgbox is not fired when entering the app), however, I see the app through taskmgr with increasing memory usage, but then the app is removed from the list. By design, if the program cannot locate a SQL Server a form pops up with a connection box to locate the SQL Server for the app. How it determines if it has a valid connection is the program looks for a connection string in the registry, then attempts to connect to it, however, none of this code executes because of the failure to enter into the sub main.The two machines I have tried the 32 bit app on

XP Pro: Failed / Using SQL Server 2008 Express

Windows 2003 Server: Works / Using SQL Server 2008 Developer

Both machines have .Net 4 Client Profile with Extended?

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VS 2010 Transparency Just Background As Win7 Does While Running Under Win7 Plataform

Jun 6, 2011

I know the propertys transparency key and opacity. It isnt what I am looking for. I need to have my form to have the same Glass Effect the as win7 does while runing under win7 plataform. Like, if i have glass effect in the top I should have it in the background.

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VS 2008 Strange Cmbbox

May 29, 2009

I got kind a mystery situation. There's not a lot of code, only few lines but the point is that it only works partially (it saves but does not load).

I tested it with another cmbbox1, which makes it work on seperate cmbboxes but not on either one or onother on their owns.[code..]

I got other cmbBoxes with titles on them loaded from the DB and they work fully, only this one doesn't.what should I look at?

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VS 2008 Strange SuppressKeyPress

Jun 28, 2011

I want to supress a key for a textbox: [code]this is working, B key is supressed,but adding just a messagebox will not work..[code]

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IDE :: Using Server Explorer In VS2010 To Connect To An Access 2007 .accdb Database?

Jan 3, 2011

I am using Server Explorer in VS2010 to connect to an Access 2007 .accdb database. I started getting 'No error message available, result code:E_UNEXPECTED (0x8000FFFF). However, my program runs from Debug and accesses the data.My connection string is Provider=Microsoft.ACE.OLEDB.12.0;Data Source=C:MypathDatabase1.accdb. I exited my project and created a new project and tried to add a connection. I could not connect to Access 2007 or Access 2003 databases (.mdb).I had to exit VS2010 and start it again before it started working again.

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VS 2008 Get Strange Numbers For The Output?

Oct 23, 2010

I am working on a program that takes 12 numbers that the user inputs and calculates the total and average but every time I run it it comes out to be like 6.5 and numbers like that.

' Store the starting values in total and count.
sngTotal = 0
intCount = 1

[code].....

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VS 2008 Strange Output By Use Of LineInput

May 31, 2012

i'm using lineInput to read a text file but get a problem with a certain record.it shows [code]I've changed the encoding to utf8, ansi, ... but nothing helps. Anybody an idea what could be the cause?It only does this with the first record in the file.

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VS 2008 Simple Threading But Strange Error

Dec 21, 2011

i have tryed using multithreading with my program with no luck/I just get a strange error thrown at me no matter what i try [code] Then i get this error:An error occurred creating the form. See Exception.InnerException for details. The error is: ActiveX control '6bf52a52-394a-11d3-b153-00c04f79faa6' cannot be instantiated because the current thread is not in a single-threaded apartment.

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VS 2008 Strange File Not Found Error?

Jul 20, 2010

I have a program that looks for a file named 'license.dat' upon startup. The program first checks the directory it's in, and if the license file isn't there, it prompts the user to select the license file with a file browser dialog. I have tested this code and confirmed it working in a number of different OS environments.Recently, I received reports from two users (one in Germany and one in Italy) that the program can't find the license on their computers, even though it is present in the program's directory and they manually selected it with the file browser dialog. The only commonality I'm seeing here is a lack of English OS, but beyond that I'm stumped.This is the code I'm using:

If System.IO.File.Exists(System.AppDomain.CurrentDomain.BaseDirectory + "license.dat") = False Then
File dialog code goes here

[code].....

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VS 2008 Strange Recursive Directory Copy

Mar 19, 2009

I am using the following Recursive Directory Copy code, and am having a strange issue. I am using this to copy and directory and all subdirectories and files to removable media (flash drive). Everything copies perfectly fine except for 1 file. this occurs on the same file every time and sometimes the file copies successfully, but other times it does not.The problem file is a 7-zip archive with a .7z file extension.When it does not successfully copy, the file is only 8 bytes on the flash drive.[code]

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.Net 2008 IntelliSense Odd Behavior?

Jul 26, 2011

I am primarily a C# developer; however, I am currently working on a project for a client who preferred VB.net. I have managed to switch over fairly well, with one frustrating exception. When editing a C# file in Visual Studio pressing enter will select an item out of the IntelliSense window and keep the cursor at the end of the selected statement.

However, when editing a VB file, pressing enter selects the item out the IntelliSense popup AND moves the cursor to the next line. I realize that this is a small thing, but it drives me crazy, because it makes it really hard to switch between C# and VB projects.

I have searched for everything I can think of in Google and found nothing. Does anyone know of a way to change the IntelliSense selection behavior?

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VS 2008 Strange Message About A Package That Failed To Load Properly

Aug 10, 2011

Suddenly today , when I started my computer and went on to open the VS , I got this strange message: Do you know what it might mean ? I didn't installed anything on my PC for a long time, so I can't think of anything ...

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VS 2008 Create A Certain Button Behavior?

Sep 9, 2009

I am trying to create a button behavior such that when you click the button it fires the click event as normal & runs the code under it. But if you click & hold the button for 1 second then it jumps to a different sub & runs some other code. I got my button working that way for the most part, using a timer & the mouse down & mouse up events. The only issue I have is that after the timer fires after 1 second & I execute my alternate code, the normal button click event still fires when I release the mouse button & runs that code. How can I cancel the normal click event so that only the alternate code runs when I click,

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VS 2008 ToolStripComboBox Behavior Different Than ComboBox?

Jul 20, 2010

I have a bound ToolStripComboBox. When a user types a value and hits 'Enter', assuming the entered value is an item in the ComboBox, this Sub should fire:

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VS 2008 Porting To Win7 FtpRequest?

Apr 13, 2011

I created an application for Windows XP, now it needs to run on Windows 7. I have had some issues to resolve, but rather small ones. I am now stumped on this one... Here is my code block

vb.net
Private Shared Sub RenameFileAfterDownload(ByVal File As String)
Try

[code]....

The code works perfectly for Windows XP, but the ftpRequest does not work in Windows 7 for renaming. That said, the code runs that entire sub becaues WriteToEventLog get's written, but seems to ignore the ftpRequest lines.

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VS 2008 Pro App From Vista To Win7 Fails?

Dec 22, 2009

I have an app developed in VB that works fine on Vista machines but fails on Win7. The offending line of code merely references a variable stored in a module. Evidentally, something is quite different on Win7. How to I find and fix this behavior?

The code is very straightforward. The error occurs in the Application Startup event.

Public Sub MyApplication_Startup(ByVal sender As Object,
ByVal e As ApplicationServices.StartupEventArgs) _
Handles Me.Startup

[Code].....

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VS 2008 Get Current Master Volume (Audio) - Win7

Jun 1, 2011

It seems like this would be a very easy thing to accomplish, but, from what I can tell, it's most definitely not. My OS is Windows 7. All I need to do is get the current volume/audio level - the master volume. When you click the little speaker icon in the task bar and change the volume - I need that number. All I need to do is get the current volume and assign it to a label. So if the volume is at 74 when the application starts, I need my label to display 74. I've been searching for days now for a way to do this and I'm starting to get frustrated. I've looked everywhere. I've tried 3 different classes, at least a dozen different codes, assorted imported dll's- none of it even came close to what I need. From what I can tell, the current methods are all designed for windows xp. I need a way to do it in windows 7.

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VS 2008 Awckward Behavior From Multiple Form Instances Loaded Into A Dictionary?

Jul 27, 2009

Ok I have a project which has a MDI parent. Inside the parent I have multiple isntances of a form load(frmLine1t5). When my program loads it will load a different form(frmSelect) and if I manually load a different form(frmRetests) I can put frmSelect on top of frmRetests and bring one another to the front if it's clicked on(without using the bringtofront method)However as soon as I load a single instance of frmLine1t5 I immediately can no longer bring ANY form loaded into the MDI parent(before or after frmLine1t5 has loaded) to the front. I can only bring them to print IF I use .bringtofront method

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