Visual Basic .NET Forum

Hello all ,. I'm trying to add a crystal report into my project, every time i try to do so, vs.net will crash ... so i cant open/create or load crystal report..is it some thing to do with the installation of the software ? im using vs.net 2005 and programming in vb.net ..every thing in vs seems to work fine but not crystal report...any...

Hi All, I have a question concerning serialization in .NET. If I serialize an object to a database and then I change the object in code (i.e. add a property, rename a property, delete a property) will my object deserialize correctly? Will it throw an exception - or will it deserialize whatever it can?

ok here it goes I must be doing something way off but it makes sense to me just not to VB.NET which would be a huge problem. Anyways I'll explain what I am doing than give code examples. basicly I've declared a thread in a module file where all my variables are declared for the enitre application, than it calls the thread from the main form...

vb.net 2005 is it possible to set a label's background color to transparant. I have several labels on a form , the form colour is set in a class and is a gradiant colour. Im trying to set the label background to 'transparant' thanks in advance

Hi, On closing our App, we get following 'InvalidComObjectException': "COM object that has been separated from its underlying RCW cannot be used" The App has been upgraded from .Net1.1 to .Net2.0 a long time ago. Recently we started using the Application Framework, combined with a Splash Screen. About that moment we are having this issue....

Hi Is there anyway to load this Control with an existing XLS without converting to another format? It only appears to take xml or dataset??? Thanks

Is there a better way to send a wav file from the server to the client without a dialog box appearing. Can't it just play the file automatically??? Response.ContentType = "audio/x-wav" Response.TransmitFile(SoundFile)

In my app I was using a sub main as the startup object and this code Curlocale = My.Settings.UserUiLanguage System.Threading.Thread.CurrentThread.CurrentUICulture = New CultureInfo(Curlocale) was OK to bring my next loaded form up in english or french depending on the setting of the Curlocale (en or fr). But now I have to use frmMain as...

New to Visual Studio 2005 and am trying to bind a datatable to a datagridview but not having much luck. I have searched on the internet but also have not had much luck with that. This is what I have Dim dtbData As DataTable = New DataTable("Data") dtbData.Columns.Add("StackLocation", GetType(String))

IDE in Vs2005 won't let me step through the code in the application events unhandledexception event. The IDE brings up its own unhandled exception dialog which prevents me from stepping through further code. What do I need to do to be able to step through code in the applicationevents unhandledexception event. I posted a few days ago and got...

Hello, I have a VB.net webform which shows a DataGrid that is actually a query of 3 tables with the results shown together. I need to be able to take 2 values out of a row when a user clicks the button associated with the row. I have been able to use Key= datagrid1.datakeys(e.item.itemindex) to get one of the values but I cannot figure out...

I need a strategy to debug this situation... I can't put all the code involved, but here are some of the critical lines with comments: ------------------------- Private _parentDataCell As DataGridViewCell 'declare private field _parentDataCell = _parentDataGrid.Rows(rowIndex).Cells(columnIndex) 'set to a specific cell...

Here is my code and it times out on the server without throwing an error. I know the Stored Proc exists in the database I am connected to and I can run it with parameters from Query Analyzer with no problem. Am I making the wrong call against this procedure. I'm passing dates as parameters and the variables are defined as date and I use...

Hi All, Does anybody knows how can I send a network message (broadcast) to all users in the domain/workgroup using VB.NET 2005? Thanks! -- Edhy Rijo www.progytech.com Bronx New York ProMatrix MVP Life

Did anyone else get an email from Microsoft saying a new version of SQL 2005 Express is ready? It came from an email that was from @email.microsoft.ca which makes me think that the email is not a legit email. M.

Hi, thank you for your help. My VB.Net application contains a document that the user can refresh at any time. The refresh works fine and needs to loop through few datatables (hundreds of rows). This works fine until I delete some rows in two tables. Just after the delete if I do the refresh there is a huge memory allocated and the time...

When I run the following code it does not play on the client. When the server and client are on the same machine it plays??? Any help from anyone??? Dim errorSound As New System.Media.SoundPlayer() errorSound.SoundLocation = ErrorLocation errorSound.Load() errorSound.Play()

My boss wants this done in a day. I would be happy with a week! Anyway, I have a dataset filled with data and need to populate an MS word chart with it when writing a report. Any tutorials or suggestions would be great. Sample data at http://www.kjmsolutions.com/sample.txt

hi, iim trying to write a driver for an mp3 player i have. ive been looking on google for hours, but nothing i try works...i was wondering if anyone could point me in the right ditrection on why my code wont work...thanks Private wmiEventHandler As New Management.EventArrivedEventHandler(AddressOf UsbEventArrived) Private WithEvents...

I have been assigned an application that is suppose to take an inventory of machines including the product keys for the systems. System operating systems included are Windows 2003, XP, 2000 and NT. Any ideas on how to get this information on these computers in a vb.net Winforms app? Thanks, Kelly

Hi, I'm trying to work out how to use a Philipps web cam in VB.Net, what I would like to do is select a web cam, display the image on screen, edit the properties of the web cam and also capture an image. Can anyone help with some code examples please? Thanks

3 times I have had a blue screen while working in Visual Studio .Net. After restarting the security setting for my project is weird.... This message appears: "An unhandled exception of type 'System.Security.SecurityException' occurred in mscorlib.dll Additional information: Begäran om behörighet av typen...

I have an application where I need to read some header information found in 3 different types of file types. Two of the file types were fairly straight forward as the items to read in the header are at least 8 bits (one byte), so, I'm able to step through a file stream with a binary reader and retrive the data. The last file type, however,...

Is there a way to limit the search pattern for Directory.Getfiles to an exact number of characters. For example I want to see all the files fitting the pattern "*.abc" but excluding "*.abcd". The default behaviour seems to include .abcd when searching for just"*.abc", which I suppose is logical in one way, but not what I want. JGD

Hi all, I have created a calenda control that runs across 2 pages, one to add events and one to view events. My add page accepts a start date end date title and description into my database. My view page shows all events currently in the db, i have managed to apply an event style do dates between the start and end date are styled