Visual Basic .NET Forum

Hi guys. I have two threads: a main thread and a background thread. Lots of stuff happens in the background thread that means I have to update several (lots) of controls on a form. It is quite tiresome to have to write code to call MyControl.Invoke for each control on the form, along with the delegates that are required for each. Is...

Hi Thnx for your response I had allready found the solution I've used strBlob = System.Text.Encoding.Default.GetString(arrImage) thnx again

I've created a user control: Public Class Button Inherits System.Windows.Forms.UserControl (at this point VS added this to toolbox on my computer) and then changed MANUALLY (is there any other way to inherit from built-in controls?) to: Public Class Button Inherits System.Windows.Forms.Button

Windows Forms Controls. Has anyone personally read and recommends a good book which includes good coverage on DataGrids as this seems to be one of the most common problem areas. Regards - OHM

Hi I've got a blob field in a database and I need to place it in an invisible textbox and then convert it to an image and place it in a picturebox. I know it sounds weird but this is the way I have to do it, my problem isn't converting the blob data to an image and place it in a picturebox, but I've trouble with placing the byte array (from...

Somebody pls help is it possible to create a crystal report in vb.net that looks like an excel worksheet if so how!! pls reply 2me its urgent! -------------------------------- From: Zandile Zulu ----------------------- Posted by a user from .NET 247 (http://www.dotnet247.com/) <Id>ITlzVE7TP0uJap3MzFsfMw==</Id>

Hi, I was wondering if anybody can help, I have a ASP.Net application and am currently trying to get the Server.Execute method to work but I keep on getting the following error "Exception of type System.Web.HttpUnhandledException was thrown." I'm not sure if I'm barking up the wrong tree or not. the page I am trying to execute is on a...

I need to within code control some printer settings before raising the print dialog... I need to set some properties for the printer such as "The Printer to Print too", Page settings such as paper type (according to the list associated with the printer driver itself) and orientation... It would be nice to programmically control the printer, paper...

I have created a vb.net project in local drive and the program contains crystal report 9.0 through ODBC and link to SQL server. I can run this no problem on WinXP. But when I move the project to a mapped drive and run the same application there. I got the following error: "Just-In-Time Debugging Handler and CLR Remote Host JIT...

I've been searching for a clue for this but can't find one. Is possible to create an aplication with something like: "Decompressing... x%" Where the x will be changing with the evolution of the decompression in this case. In this case I used decompressing but it could be anything like in Linux or Dos where u can have an application in...

Hello All, any help would be appreciated: I am trying to pass a parameter to an Access Report. Just runningthe report from .net with no parameter in my access query and nowherecondition clause in my .net ...report prints correctly. As soon as I add the parameter to my Access query, and thewherecondition to my .net....the .Net form pop's up a...

No this is not a new dance. OK. Am I missing something. The following code captures the cursor keys alright on the form1 for everywhere except when the focus is on a DataGrid or AxWebBrowser. Yes i have set the KeyPreview property on the form to true. Almost home!

Howdy, im sure the man himself can answer this..... or his sidekick Cor. What is an MVP and who put him in charge of this newsgroup? I dont ask that in a grumpy or derogative way, Ive never met the man but he seems like a very skilled programmer and I think it's an admirable thing that he and the others like him, give so much of their time...

Hi what is the esiest way to add preview to openfiledialog thanks all

We are able to run our application succesfully through .Net IDE.When we try to run the .EXE of the same(created and installedthrough SetUp package) a type initialization exception(System.TypeInitializationException) is thrown. Our applicationis multi-threaded. We think it may be due to Win App. securityreasons, so it runs properly through IDE but...

I have a string in form "abcdefg 123,55 ijklmn" Now I want get only the number 123,55 within the string !! Is there any function available in VB.NET ?? Thanks for any help

I'm thinking of writing a simple (ha!) application using VB.net (standard) that would look at our Outlook resources (ie meeting rooms) and build an output to show when rooms are booked. We are using W2K server and 2K Outlook. I've never tried to work with MS Office products and have no idea where to even start. Anyone who's done anything...

I want to paint some bars, as soon as a button get klicked. My Paint Method has this signature: Private Sub PaintChart(ByVal sender As Object, ByVal e As PaintEventArgs, ByVal insolvent As Decimal, ByVal days30 As Decimal, ByVal days60 As Decimal, ByVal days90 As Decimal, ByVal current As Decimal) Means it needs to get a PaintEventArgs to...

I've been going through the MSDN article "Make Your Components Really RAD with Visual Studio .NET Property Browser" by Shawn Burke (http://msdn.microsoft.com/library/en-us/dndotnet/html/vsnetpropbrow.asp?frame-true) as a guide. To make a long story short I've been converting a lot of C# code into Visual Basic but can't seem to get tabs to...

Hi, We are using silent or no-tocuh deployment to deploy our application. Can silent deployment be given the capability of using resource files like reports or image files and load them at run time We can one .exe file and about 10 dlls that are called by .exe file when required. If it is possible to use resource files where can we put the...

I have been using asynchronous threading to handle the button actions on my form (the ones that need to make database calls anyways). I am curious if anyone has found a way to make the calls more generic? Is it possible to structure the code so that you don't have to create the delegate, BeginAction(), EndAction(), and ActionCallback()...

I am trying to create an excel object. When I do this, I get the following error An unhandled exception of type 'system.security.securityexception' occurred in ExcelApp.exe Additional information: system.security.permissions.securitypermissio I believe this occurs because of the way our permissions are set up on our computers at my job. ...

Hi I am trying to force a drawitem for an owner drawn menuitem. As the menuitem has no invalidate method i thought that i could just call the overriden drawitem method, this need a DrawItemEventArgs parameter, which i cannot create for the MenuItem. Anyone know how to force it? I can create it using the CreateGraphics property of the...

I've been reading and searching (and searching and reading) for far too many hours. I'm rather new - so I apologize if this is an over asked question... I'm working on a small text editor as a learning project using the RichTextBox control. I wish to display the current line and total line count on the status bar, and also the cursor...

I have a button that i am making that has a rectangle drawn on it with a plus sign drawn in the middle what i need to do though is to set it so that when that rectganlge is clicked it clears and then redraws it self so that it is the rectangle with a - sign instead of a plus but it wont let me do this for some reason i have no problem determing...