Visual Basic .NET Forum

Hi All, Have you ever experience the situation when designing a WebForm: Switching between "Design" and "HTML" view sometime and you get an error message about Internet Explore, then the design is gone unexpectedly. I got that sometime. Usually I exit VB.Net without saving. But this time I allready save the form :(

Hi, I am working on a user interface where I have made it possible for users to open a new panel in the main form. However, since this occurs after the main form has already loaded, the new panel opens up next to the toolbar and status bar instead of between them. Does anyone know how I can fix this problem? Joy

Hi Probably a dumb question, but I'm having problems doing this for some reason. I have a shortdate as datetime American Style (mm/dd/yy). I need to convert it to a string that is in European format (dd/mm/yy). I was hoping someone could help me out.. TIA

I'm trying to figure out how to send records from my asp webpage recordset into a .dll, which then exports the data to an excel document on the server. My Data consists of two fields The server does not have excel installed on it so I want to create a project that will house all the needed refrences. I'll be the only user using this...

Couldn't call it anything better, just remember back when I was programming in VB6 there was some way of accessing stuff like the build version, name, path the program is being run from, and all that other stuff... Can't remember or find how to get all of that again, could you help me out? And this is with VB.NET if it changed from 6.0.

With the VB6 TreeView, you could identify a node with a key for quick access to it. In .NET there is no "keys" property. Can someone tell me the equivilent of the keys property? Thanks, -Mike

Hello all, I was wondering if it's possible to write to an application config file at runtime. I wrote a bit of code to read the file and when I tried to write to it I got an error, I've been looking through MSDN for any info, but all I get is how to read the file and no specific statement saying it can't be written to. Basically, I have...

This may qualify as a stupid question -- or as Chris Berman said, "There are no stupid questions. Only stupid people who ask questions. I finally have my windows installer where I want it. It loads the dotnet framework semi-silently, installs the main installer along with an automatic upgrade feature Then, I hit one more snag. Some of the...

I have an assembly that opens minimised and uses a notify icon in the system tray. IN the new() I have Me.ShowInTaskbar = False and when the form loads I use Me.WindowState = FormWindowState.Minimized but the form opens sort-of minimised but it minimises to a small bar above the start button. I dont want to see the small bar, i want it...

FormA is the mdiParent FormB is the child FormC is the Form that is used to open FormB How do I open FormB from FormC (that is not a child) so that it it's mdiParent is FormA? Thanks, --Ben

How do I "clean" intermediate/executable files out of a VB.Net project? I added both the "Clean Solution" and "Clean Selection" commands to the Visual .NET 2003 menus, but both options stay "grayed out".

Hi All, User click on a Web Button. -->.....Some code to do something.... --->Then a webpage opened in different Target Window How can I do that? What codes I should use? Thank you, Ben

How do I check if a file is a valid XML file?, the file extension can be anything including ".xml" Thanks VJ

Hello, How do I create a windows explorer add-in? We use a Document Management System to save our documents. this DMS is integrated with office but I want to create add-in into the windows exlporer so that I can save any file from any application into this DMS. Hopefully somebody has some code Thanx

I get the following failure when trying to access the builtin properties; An unhandled exception of type 'System.InvalidCastException' occurred in resultsoutput.dll Additional information: Specified cast is not valid. In general terms the code is constructed as follows; ModuleA Public xlWb As Excel.Workbook

Guys, Does anyone know how to set a RichTextControl Left Margin? I tried using the API but it is not working. I must be doing something wrong. Here is my code: Private Const EC_LEFTMARGIN = &H1 Private Const EC_RIGHTMARGIN = &H2 Private Const EC_USEFONTINFO = &HFFFF&

I have a VB.NET application that is almost ready to deploy. Normally this application is just launched and the user interacts through the application's forms. However, I want to be able to add it to the Windows sheduler to automatically do something once a day but need to specify some parameters that the user would normally enter themselves. Can I...

I have a very simple form that I am using to take in the information and save it to the MS Access Database using dataset. My DataAdapter is called dadConstituent and dataset is called dstConstituent I am getting a "Record Not Added - 0 - Microsoft Jet Database Engine - Syntax Error in INSERT INTO statement -- 0".. Please look at the...

I'm working on a program that talks to the Yahoo chat servers. But I have run into a small problem and I'm not sure what to do next. After I successfully log into yahoo and receive my cookies I think login to their chat servers. It's at this point I am having the problem. When the following code executes: networkstream.Read(bytes, 0,...

I have a string that is a base64 graphic that I need to convert to a file, can someone give me some pointers on how to do this? Thanks

hi I want to customize the datagrid.For eg,i want to have some of the following features lik 1.A combo box inside the Grid 2.To include an image inside the gri 3.To have a link field........ thanx with regard sadhasiva

Hello, i have a dataSet in an ASP.Net / VB page which connects to a database named "DB" with fields AuthorName, BookTitle, BookEditor. I want do display 4 records in my page as follows: Author Name # Number of books published by this Author (Number of records associated with this Author) I want to display the 4 Authors which...

We are looking to directions on using licensing our product developed in VB.NET i.e issuing licensing keys for each install, expiring the executable based on date and license key and activating the product again back with a key. Can anybody point to articles or web-links that help us develop a strategy? Thanks VJ

We are looking to encrypt our XML files that is used by our VB application.. Any links or web-articles will be of great help Thanks VJ

I am defining a bitmap pixel by pixel, and I searched through the documentation, but could not find an obvious fast way to do what I want. My first attempt used the underlying graphics object to draw 1 by 1 rectangles. This was SLOOOOOOW. It took about 1800 milliseconds for a bitmap that was pretty small. Using the following code, I got it...