Visual Basic .NET Forum

I'm trying to underline the header text of a grid column. I've tried using string.format with no results. Any ideas/thoughts would be appreciated. Tks....

Hi I have a arryList and want display it with datagrid, can anybody tell me how to set the datasource and datamember Thanks in advance

In my VB.Net Windows Forms app, I am loading a form, populating some controls, and then hiding the form. Even though the form is invisible, it still appears when you hit Alt-Tab. ShowInTaskbar is set to False for the form. Is there any way to prevent the form from appearing in the Alt-Tab list? Thanks!

I'm having a problem with the Listview control. I populated a Listview with 4 columns. On my PC they show up just fine, the right hand edge of the 4th column lines up with the right hand edge of the Listview control. However when I tried to run it on another PC you could only see 3 columns in the Listview, you have to scroll to see the 4th. ...

Does anyone know how to dynamically create PDF files from a VB.NET Windows Forms app? Are there any 3rd party tools available to do this? Thanks!

Dim PC As New PerformanceCounter("Process", "% Processor Time", "buggyprocess") Dim CPUUsage As Integer = CInt(PC.NextValue) Thanks for reading..eh!

I'm trying to underline the header text of a grid column. I've tried using string.format with no results. Any ideas/thoughts would be appreciated. Tks....

I have a question about Sql. When I run a simple open statement for a SQL database, it opens up two connections sometimes, and other times it opens up one connection. Does anyone know why this happens. Below is my source code where this is occuring. You will have to change the connection string, especially the Database and ServerName. Any help...

I get this exception when I try to run open on the MySQLConnection object. It goes like this: System.TypeLoadException: Invalid PInvoke metadata format. at System.Net.OSSOCK.gethostbyname(String host) at System.Net.Dns.GetHostByName(String hostname) at ByteFX.Data.Common.StreamCreator.GetStream(Int32 timeOut) at...

i want links to read where it teachs me to print without cristal reports please help

Private Sub TreeView1_AfterSelect(ByVal sender As System.Object, ByVal e As System.Windows.Forms.TreeViewEventArgs) Handles TreeView1.AfterSelec txtName.Focu end su this code doesnt wor i want to focus to txtname but i cant is there any code for doing tha

Hi Has anyone see this problem in ADO.Net when deleting a record (assuming that the table has identity increment Index) result in getting wrong index key if right after adding the record the table query for the added recorded Index key. Anyone knows what would be the best way to solve this problem Clearing dataset and refilling it won’t work...

I want to know the screen resolution before launch my VB .NET windows form so the form can fit the screen nicely. Is that possible? Thanks.

I know how to draw text vertically. My problem is the StringFormatFlags.DirectionVertical command rotates the text 90 degrees clockwise. I want it rotated 90 degrees counter-clockwise (I'm making a y-axis label for a chart). How do you do that? Can you do that?? Ken

Can anybody show me how to build a com object that work in "component services" on a win2000 or show me some source that works when i try it , it doesnt work. i get a class add a component to it and then i write my function and compile i get a dll but when i dump it in component services , i get the message

Can I add dinamicaly (in my code) a header and a footer for each time I want to print a web page from my web application? NOTE: The print command made for my is a click in a button that I have in my web page, and not in browser menu File->Print -- Programming ASP.NET with VB.NET Thank's (if you try to help me)

Hi there, I need to manipulate DataGrid in such a way that it acts something like VS.NET Properties Window i.e. it consists of two columns one acts like a non editable lable and the second one is editable field. Is there any other way? ListView wud have been suitable had it provided edition of SubItems. Any ideas are welcome.

how would you disable all text boxes on a form at once/ I thought dim tx as textbox for each tx in me.controls tx.enabled = false next but that crashes, what do you guys suggest? thanks

I have a Module.vb with sub main e un Form1.vb with a WebBrowser inside. I would load a file in a webbrowser but if I write in sub main: Dim form As New Form1 Dim AxWebBrowser1 As New AxSHDocVw.AxWebBrowser AxWebBrowser1.Navigate("C:\Report dei controlli.html")

Hi there, I need to manipulate DataGrid in such a way that it acts something like VS.NET Properties Window i.e. it consists of two columns one acts like a non editable lable and the second one is editable field. Is there any other way? ListView wud have been suitable had it provided edition of SubItems. Any ideas are welcome.

Hi there, I need to manipulate DataGrid in such a way that it acts something like VS.NET Properties Window i.e. it consists of two columns one acts like a non editable lable and the second one is editable field. Is there any other way? ListView wud have been suitable had it provided edition of SubItems. Any ideas are welcome.

Hi, I know how to silently install dotnet framework using a command line, however, I want my installer to fire off afterwards. I download Microsoft's 'nifty' bootstrapper plug-in, but it decides that it needs to prompt the user for each step of the process. Can anyone point me toward a silent version? If not, what other ways have been...

Imports System.Windows.Forms

In my Windows Forms app, I tried using a Sub Main as my startup object. The problem I found is that as soon as the End Sub is reached, the app terminates (even if I showed a form during the sub). Has anyone else seen this? How can this be avoided, other than by using a form as the startup object? Thanks!

Hey group, I keep getting the following error: "An unhandled exception of type 'System.IndexOutOfRangeException' occurred in system.data.dll Additional information: There is no row at position 1." on the following line of code: