I have the Microsoft Visual Basic .NET Deluxe Learning Edition from Microsoft and am trying to reinstall it after a hardware system crash requiring complete reformat/reinstall of Windows XP Pro and SP2. The first time I installed on this machine under my previous OS installation, it quite ha...more >>

I have a base form from which many forms inherit. The base form is in one project, and the inherits form is in another project. Both projects are under the same solution space. Both forms compile and execute as they should and have done for quite some time. I can open the base form in de...more >>

I'm working through the binder stuff trying to get a handle on it... I have setup a master-detail dataset and have a couple of textboxes from the master along with a datadgrid for the child data. I have a navigation pallete with the usual arrows. All arrow btn's are handled by the same ...more >>

I have one access file located at IIS' wwwroot directory. My goal is to insert record to access database. However, it seems that Access is proteced by IIS. I had been open its writing privileage by file manager. But the IIS will show the error message and halt on this line: objCmd.Execute...more >>

How can I write message to the file located in the wwwroot directory? It seems that IIS protect these files. Let make me cannot do the I/O writing sucessfully. I try to open file's write privileage by file manager and IIS manager. However, one PC is okay and another PC is not. Any help on t...more >>

with respect to garbage collection. Does it make any difference? My current understanding is that (to avoid memory leaks, ie memory accumulation - never letting go of the memory something has referenced) it isn't so much HOW an object reference (or string or byte()) is created, it is more ab...more >>

Would something like this be possible by writing it within VB.net? I would like for a program to open up Lavasoft's Ad-Aware, check for any updates available on the web by clicking on their update button, then if there is an update, download and install it, if there isn't, go ahead and do...more >>

I want to save the value of an enum variable in a hashtable but a little confused as to what I can and can't do. I sort of imagined that I could do eg: Dim MyEnumVar as MyEnum = MyEnum.whatever MyHashtable.Add(MyKey, MyEnumVar) and then retrieve the value using: MyEnumVar2 = MyHashTable(...more >>

Hi, I have several tables on SQL Server. Is possible that instead of manually creating entity classes (where each table is represented by a class and each field on the table is represented by a property in the class), I can run some wizard which create all these classes/properties? Any free...more >>

hi, i was wondering if there was anyway to put icons/images next to menu items? thanks...more >>

Hello I am developing a web page in VB .NET. I am using a popup to show pictures of dresses. Mi probles is: When the used cliks on the button that calls the popup it is loaded (until this point there is no problem) but if the user closes the popup and cliks again the button that calls the popu...more >>

When I open up a project I've made in the VB.NET IDE, a directory named VSMacros71 (with underlying folders) is created in the same folder as my project. I've created no macros myself, and the underlying MyMacros folder is empty. How can I stop these folders from being created each time I o...more >>

Hello, I was recently asked to look at someones code to see if i could determine why a particular form was failing to load and instead generating an error about a lack of available resources for that locale. The form inherited from a base form and was defined with an inline namespace rather th...more >>

Hi all, Are there any way to set different color per line on my listbox? Thanks a lot. Windy ...more >>

I want to write a form control to lookup some tables fields from database, let users to select one record (or multi-select more records) under win-form environment for fill some fields of parent forms. Is datagrid control support multi-select features? Is datagrid control...more >>

Dear all, A mouse click on some object in my application should select this object, where mouse down should start moving until mouse up. But, when I press mouse down small move always happens. I tried to work with move tolerance, but then if mouse was near the border of the object, it leaves...more >>

Dear all, class A overridable sub s1(byval a as integer) end sub overridable sub s2(byval a as integer, byval b as integer) end sub end class class B inherits class A overrides sub s1(byval a as integer) end sub end class s1 in both classes is public and has the same signature, but V...more >>

I have seen the following example of passing data to a thread: Class ThreadData Public Id As Integer Public Msg As String Public Done As Boolean ' The entry point for the thread Sub DoTheTask() For i As Integer = 1 To 10 ' Show that the...more >>

Dear all, following code iterates thru the hash table. Dim _Enumerator As IDictionaryEnumerator = _myhashtable.GetEnumerator While _Enumerator.MoveNext() .... End While But I can't find a way to iterate in reverse direction. Something like... Dim _Enumerator As IDictionaryEn...more >>

Thanks for bearing with me. I am getting there (maybe).... I change the SupervisorId property to use the SqlInt32 type as such: Public Property SupervisorId() As System.Data.SqlTypes.SqlInt32 Get Return m_SupervisorId End Get Set(ByVal Value As Syste...more >>

hi, how can i make my windows form not show the start menu or any menu for that matter so it will essentially be full screen?...more >>

Hi All, I'm going through Microsoft Visual Basic .NET Step by Step Version 2003 by Halvorson. I have performed a Chapter 4 exercise according to the instructions exactly. Using the & character before the desired hot key character in MainMenu1 mnu????Item Text property. The hot key shows in...more >>

hi, is there anyway i can make my windows form to be full screen? thanks...more >>

Hi guys I'm writing a small drawing program which has "snap to grid" mode and I want to display something (some kind of shapes for example a small square or circle which indicate the current snap point of my mouse) but I have no success so far. I tried controlpain.drawreversibleframe metho...more >>

I get the following error when closing VB2005 beta 2. Everything runs fine. Just wondering what the error is and how to eliminate it. ******** The control System.Windows.Forms.MdiClient has thrown an unhandled exception in the designer and has been disabled. Exception: Property accessor ...more >>

Hi Can anyone point me in the right direction I am using vb.net 2003 to create a windows form application I have a datagrid bound to a dataset, clicking between row 0 and row 1, several times will cause an exception, the error is because the currentrowindex has changed to 2, with only t...more >>

Hi. I have been trying to make a simple application that will sit in the background and alert me of any changes in window focus (IE: Pop-up windows) on my system. I have used DirectTextToSpeech from Microsoft and tried the following code... The problem I am having is that it detects its own...more >>

Still trying to clean up some datagrid formatting issues from the past. When I bring in money values from a stored procedure, I'm getting 4 decimal places in the grid ( which of course I only want 2). Soooo ... I tried to create the cultureinfo object, set the format decimal digits, then a...more >>

There are various versions of the dotnextfx installer fro different "cultures" / languages. Is the installed framework different or is it just the setup part of it? Out of curiosity why cannot one version cover all by detecting the current culture? Thanks...more >>

Is there a way to make the OLEDBConnection to my Access file relative to the path of the executable of the file? I work on the program on a lot of different computers and I am tired of having to copy things around so that the Access file is in the right path. ...more >>

Hello, I'm currently trying to port a piece of code from VB6 to VB.net which enables my application to display balloon tooltips. Unfortunately it doesn't seem to work. This is the code VB: Public Class clsBalloonTips <StructLayout(LayoutKind.Sequential, CharSet:=CharSet.Aut...more >>

I was quite surprised to notice that Sub New() gets called twice, once at declaration time and once at creation time. I can't figure out why it would be called at declaration if there is no class instance to work with. What is going on here: Sub Main Dim NewObject as MyClass MsgBox...more >>

I've heard that the gif file format is copyrighted and that there are issues using it in your programs because of this. Is anyone aware of this? I am writing an image program and it would be rather easy to added the functionality for gifs, but I am concerned to due to this issues. ...more >>

This is probably the most simplest thing... but I cant find it - lol! I have created a program and wish to know how to make it into a distributable installer. In VB6 we used to use a seperate program to build installers but I dont find that in [Start] menu or anywhere in the .net vis studio :¬...more >>

I keep getting the following message when adding a new record to a database that has two tables. On table is a parent to the other. I am adding a new parent record that has child records and I get the following: ForeignKeyConstraint drtblCDstblSongs requires the child key value(9) to exis...more >>

Hello, I want to get some system info using WMI class, but there are two ways, i want to know what different between them, thank you. The first: ****************************************** Dim info As ManagementObject Dim search As ManagementObjectSearcher search = New Manage...more >>

Hi, Anobody can help me to increase scrollbars in ListBox (wider for both scrollbars). I try to design applications specialy for touchscreen, but can't find any solutions in documentation. Thank you, Alexey. ...more >>

Is there a way to setup master-detail between 2 distinct datagrids on same form without writing code? Is there a way to setup a child datagrid - binding it to a pk on the form so when the binder position on the form changes the datagrid changes to reflect new children? I am looking for t...more >>

The following code explains my problem. It works fine if I use a file stream, but not if I use a memory stream. What's the problem here? It must be something simple I am missing... Dim H As New Hashtable H.Add(1, "First Item") H.Add(2, "Second Item") H.Ad...more >>

I have a Main Menu that has about 7 menu items on it. One is F6, one Shift F6, and one Control F6. The F6 and shift F6 work fine, but when I do a control F6, the F6 part of the program is run. BUT, when I use the mouse, pull down the menu, and click on the option which has the control F6 shortcu...more >>

Why does the listbox pause during the first time it has to scroll but moves fluidly ever time after that? Chris...more >>

I would like to see where in my application memory is being allocated and when. I would like to add code to my Windows Service app so that it 'spits out' total memory usage at that point as well as a time stamp. I want to add a literal string to the message indicating exactly where I am at in...more >>

I accidentally toggled some key combination in my code module which is causing the code to text wrap. I meant to toggle ctrl-F. Is there a way to untoggle the text wrapt (wrap text)? Thanks, Rich ...more >>

I want to fill a combo box with a Text value to show like name, but when it is selected I want to get the say SS# or Emp #. I will be filling this in manually how should I go about this. I know combo1.items.add(Item) But what I don't get is how to assign both the text and value at the s...more >>

Hi All, I mean if you writing Sub Main in VB you can start you application either way: Dim mainfrm As Form1 = New Form1() mainfrm.ShowDialog() or just Application.Run(New Form1()) What is advantage of each way? And how to count how many times user started application and let do it ...more >>

How do I address datagrid columns in the row currently being edited by the user. I want to have code assign values without requiring user input. This can occur when the row first gets the focus. Thank you. ...more >>

In Visual Basic 6.0, there was a setting for DLL's that would prevent a developer from breaking binary compatibility of a DLL by changing a function name, parameters, etc. Warnings would appear at compile time. Is there any such thing in .NET? I can't seem to find the same type of setting...more >>

I'd like to write a program in VB.Net that handles serial communications to several devices. VB.Net 2003 does not have adequate built-in serial communications. I heard that 2005 will have that. Has this serial communications functionality been built into 2005 Beta yet? If so, is there any re...more >>

Hi How do I dynamically create a type of System.Int32 with the value 123?? = I've tried the following: Dim keyci As ConstructorInfo =3D = Type.GetType("System.Int32").GetConstructor(New Type() = {Type.GetType("System.Int32")}) Dim key As Object =3D keyci.Invoke(New Object() {"123"}) h...more >>

I have been given a data feed to decrypt on a daily basis. All i have been given is the KEY (8 chars) and a Vector (IV) of 8 chars. I am using the cryptAPI in VB6 but can see no reference to the IV. If the IV is used by .NET to create a HASK key, then does anyone know what algorithm MS us...more >>