Let's say I have a Treeview control on a form. Each leaf node in the Treeview has a ContextMenuStrip, each with one ToolStripMenuItem, and all ToolStripMenuItems Click event is handled by a comment event handler. How do I determine which Treeview Node signalled the menu event in the common ev...more >>

Does the .NET framework provide any equivalent of an applet? I've under Winforms Hosted in IE - but Security is a major headache. Is there a way to bypass these security headaches? Can I sign the control, etc. etc?...more >>

I want to know if my .net2.0 application can apply Vista theme when run in Windows Vista. How to do if it is possible. Thank you. ...more >>

Alright, so I've got a pretty hefty program that is integrating with excel. My problem is that I'm wanting to avoid a particular dialog from appearing, just because the portion that it pertains to is automated. Basically, this has to deal with the .merge function for a range of cells in excel. I...more >>

I have IIS 5.1 on my pc now and it doesn't have all the options that 6 has in the manager app. I can't figure it out. I have figured out 6 now which is running on our server but I would like to have a local copy as well to do some testing....more >>

Hi all, I using excel automation to generate some reports in excel. I guess I'm not doing it correctly because Every time the report is run it leaves a Excel.exe process open in the system.process even after the user closes the excel file generated. Here is the code block I'm using Di...more >>

I have a book on vb.net that came out in 2006. It uses properties and methods that I can't find in documentation. For instance, it has a line such as: MyBindingSource.Item(0).Row(0). What is Item zero, and what is Row zero of that item? In another section, the book has a listbox on a form, an...more >>

I'm running into a very weird problem regarding subtraction. Subtraction behaves as if it's an addition in the below sub txtJacoCost.Text = Format(mRackc - (mDisc + mJaEc), "0.#####0") txtWfCost.Text = Format(mRackc - mDisc + mWfEC, "0.#####0") txtFactorCost.Text = Format(mRackc - (m...more >>

Can I get some suggestions on how I can tell if a user is logged in remotely on a Win XP Pro box and kill a certain process? Any solutions are welcome. ...more >>

Why wouldn't the Finalize method of a class not get called when the class is destroyed? I have a Com class that gets created from a VB6 client. In the VB6 client code I destroy the .NET Com componenet. Set Bla=Nothing When I trap in the .NET code the "Finalize" method never gets called? ...more >>

I have a project with a COM class. It creates a new thread whose function loops continually. Within the looping function I Raise an event. When the client app (VB6) receives the event, what thread does it receive it on and is this thread safe. Is there a better way to raise an event from the...more >>

Hello, I am working on a project where I read in data from a flat file using a dataset .The program than lets the user scan the barcode. The problem is when the person scans a barcode on another form and the bar code is not in the dataset I want to add the new barcode to the dataset. Here is ...more >>

I have an application that has a system tray icon, which updates every 10 seconds to a custom made image... and every time it updates my GDI object count increments, this shouldn't happen, any ideas on what to look for? I am custom drawing the 16x16 image as a bitmap. It takes an existing ico...more >>

Hi, I have a VB.Net application that I have recently upgraded from Visual Studio 2003 to Visual Studio 2005. The VB.Net app accesses Word and Excel. When I run the newly compiled VB.Net app on the Windows XP Pro system the app can interact with Word and Excel just fine. I'm pretty certain I h...more >>

Hello Gurus, I am entering data through data grid , what i want is that once user enter the data in the grid and click on button graph should come on the basis of data values are like X Y 1 10 10 20 20 30 30 40 40 50 This is dead end urgent please help me Thanks ...more >>

Hello, I have 2 tables: [A] > Aid, Aname ... [B] > Bid, Aid, Bname ... I need to get the records in B given a Bname and a Aname. I think I should use Inner Join. I wrote the following code: Dim Bs = From a In db.A _ Join b In db.B _ On a.Aid Equal...more >>

Why does my code window NOT display the "Windows Form Designer generated code" section? This was always there in 2003 but only certain programs have it in 2005, or else I can't figure out how to display it. This is especially useful in seeing how to build controls using code. More specifica...more >>

I may have painted myself into a corner with GenerateInMemory=true. My app need a custom user step. Users want to code (sort of - they are not programmers) some refinements to a search procedure. They can concoct a moderately complex boolean expression, and that suffices. I will take their...more >>

How do I get the width of a column using Type Datasets? I don't want to know the length of the data in the column, I want to know the width of the column. In my code, if the column width is 50 characters, but a string with 55 characters tries to insert then I get runtime error. So, I want the ...more >>

Hi all, I have two images that I would like to merge together similar to a watermark (one becomes semi-transparent). Is there a way to do this in vb.net? Thanks. ...more >>