Lets say you have a component that has all local scope variable in it. it preforms a single io proceedure. You start the thread and it runs to completion. Will the thread then be disposed of.... ...more >>

I want to be able to cache a queue in a VB.Net application. I assume I need to use system.web.caching. I can create a cache: myCache = new Cache But I can't access it: isnothing(myCache) returns false but myCache.Count, isnothing(myCache.Count), myCache(<key>) = <queue object>, etc, all ca...more >>

Newbie question: If I build a dll, how do I create a dispose method for it? Is it as simple as adding the following code? Public Overloads Overrides Sub Dispose() MyBase.Dispose() components.Dispose() End Sub I have several classes that pass back delegates and...more >>

Hello, I have a dll which I compiled in VB. Now I would like to use this dll in MapBasic program. However, I keep getting an error saying that the function which I am calling cannong be found. After doing some research, I learned that VB's functions are not exportable and suggestion is t...more >>

A friend and I have worked together on a simple program for keeping track of what we are doing, simply by popping up (at timed intervals) a small window where we can enter some text that will be saved with a timestamp in an xmlfile. This works great except for one thing. First the sequence:...more >>

I posted this accidentally to dotnet.general, but it is a VB.NET problem, so here it is again ... With VB.NET in VS 2003 I am using "Sub Main()" as my startup object, and from within Sub Main() I use "Application.Run(MyMainForm)". Essentially I am starting my application and then displaying t...more >>

I was wondering how I would convert String data into a binary. I want to store and the binary data in a mssql table. When I retrieve the binary data I want to convert it from a binary array to a string. Any help would greatly be appreciated. ...more >>

Hi, Does any one know how to add a button to every row of a windows form = datagird. Can anyone provide me some code on this. I have searched a lot but couldn't find any. I am posting this for the = second time. Any help would be appreciated Thanks Kiran...more >>

Hello, I am trying to use the following in a project to identify a table that = is ided=3D"news of the day" Function readHtmlPage(url As String) As String=20 result =3D ....'as string dim regexp as regex =3D New Regex("<table>((.|\n)News of(*?))</table>", = RegexOptions.IgnoreCase...more >>

Hi EeveyBody: I creat Directory by using Isolated storage method and this what I did: Dim isoFile As System.IO.IsolatedStorage.IsolatedStorageFile = System.IO.IsolatedStorage.IsolatedStorageFile.GetStore(IsolatedStorage.IsolatedStorageScope.User Or IsolatedStorage.IsolatedStorageScope.Ass...more >>

Does anyone know if its possible to use an enum structure as a data source for a combo box or list box. if not, is it possible to enumerate an enum and list it values Thanks in advance ...more >>

If the user minimizes an MDI child it goes to the bottom of the MDI parent - great, but can I restore it? So far none of ..Activate() ..BringToFront() ..Focus() ... have worked.. -- - Mitchell Vincent - kBilling - Invoices Made Easy! - http://www.k-billing.com...more >>

The .NET Framework is huge, and either this isn't in there, or I'm just missing it... Are there any built-in methods to work with OLE2 Structured Storage files? Or am I stuck with using COM Interop? TIA Gerald ...more >>

I have an MDI application here and I would like to have one of the windows only show once (maximize and get the focus if it has already been created). How can I check if a window already exists in an MDI app? Thanks! -- - Mitchell Vincent...more >>

I have tried almost every suggestion in these posts and my asp/vb .net application still cannot launch a new browser window. Using WinXP task manager, the best I can see is the start of a iexplore process but again, no new window is poping up. It has got to be something simple, right?!!? ...more >>

I have to start an external imaging application in the splash screen of my application. But this external application appears in the foreground when the main screen is displayed until I manually minimize the application. Is there any way to avoid this? Thanks...more >>

Hi, I am adding a record to the database using an ExecuteNonQuery, which adds without problem. Now after the record is added I run a method passing in some info as well as the curretnly opened connection (byRef cn as OleDbConnection). Am using an Access 2000 database. Now in this new m...more >>

Hi all, I'm a VB6 developer for quite some time now and have also developed a mobile app in VB.Net and C# a couple of years ago. I've been playing around with ..Net since then... Now, we're starting to design the new corporate system and have developed a couple of forms and components. We've ...more >>

Hello all, I have textboxes and RTBs controls in my form. I will most likely be using crystal reports to print the contents of these controls. My question is about the formating of text. if the text in on of the textboxes or RTBs wraps around ( a new line without pressing the enter key), woul...more >>

Hi all, How can I assign null to an integer. This doesn't work Dim intMyValue As Integer intMyVal = System.DBNull.Value Thanks in advance, Roy...more >>

I'm trying to create a getFunction that returns a single value from an sql table (the next sequence number actually in a group of records). I tried two different methods, a command and data adaptor. Here is the code: Private Function getNextSeq() Dim strsql Dim lds As DataSet ...more >>

Hi, What's the best practice to save user preferences for a .NET application . For example if the user does not want anymore to see Tip-Of-The-Day (TOTD), the user can tick a checkbox on the window showing the tip (TOTD). That tick will be recorded so that next time the user logs in, the appli...more >>

Hi, In visualbasic2005, classes from the My namespace (e.g. My.MyProject) are automatically added to the assemblies created by vbc. Is there a compiler option to skip the creation of these classes? Thanks in advance, Dirk...more >>

Do you know why this error might be happening? Maybe it is because I have two data adapters open on the same MDB file?? If this is the problem... how can I keep them from disturbing each other? An unhandled exception of type 'System.Data.DBConcurrencyException' occurred in system.data...more >>

hi, I am working in VB.NET. I want to create a tool which help in selecting a button from a drop down buttons. This dropdown button must look just like the buttons provided in MS WORD for the selection of outside borders. The reason for the need of this control is that. i have a seve...more >>

Is it OK to have more than one OleDbDataAdapter for a single MDB file? The first adaper to the MDB is only doing Selects. That is working fine. Though my second adapter is unsuccessful in performing row Deletes. Thanks! Bob ...more >>

I have narrowed down a previous problem to the following more specific items: 1) I have my startup object in VB.NET (VS 2003) set to Sub Main(). 2) Inside of Sub Main() I do a "Application.Run(MyMainForm)" 3) Inside of MyMainForm_Load I create an object, ie: "poMyObj=new clsMyObj" 4) W...more >>

What's the fastest/easiest/best way to determine if a certain item exists in a list? (And what's the slowest/dumbest - I suppose that's enumerating the elements and comparing each in turn in VB code?) My collection can have up to a few thousand elements (each either a GUID or an ID card num...more >>

Hello I have a TreeView in my Window application. In that I have some nodes (parent nodes), each parent node has some children. What I want is that when I double click a node (either parent or children), I can print the Text of that node. I have: Private Sub TreeView1_DoubleClick(ByVal send...more >>

Hello all, how can i fill the data to combo box from dataset please help me. regards lal ...more >>

I need to compare two DateTime variables named as t1 and t2 using VB.NET 2003. If t1 is any earlier time as t2, only then program should do something like... If (t1 < t2) Then 'DoSomethingHere... End If But I don't figue out how comparing DateTimes is working. I tried to compare th...more >>

I want to have two thread at the same time to execute. Both of threads have to execute some code in specific intervals for example first thread have to read from COM port every 5 seconds and other thread have to update database every 10 seconds (code for reading from COM and update database I ...more >>

It works well in my development PC and some of the clients...but some can't work properly...please help. thanks! ...more >>

I had connect another SQL server VIA VPN , the server name is IP e,g 123.123.123.123 I can read the data sucessfully, However, I want to insert some data from my local server. sp_addlinked server '123.123.123.13' sp_linkedserver (I can see it) then select * from [123.123.123.123].database....more >>

Hi! I wonder if it is possible to dynamically name a object (e.g. checkbox, combox etc.) during runtime. I know I can create a object during runtime like this: Me.MyLabel = New Label Me.Controls.Add(Me.MyLabel) MyLabel.Text = "This is a label created during runtime." but I would need...more >>

I want to use an OLE Automation Interface called XXX developped by a third party and have the following declarations: Public oAB As XXX.Application 'Amibroker Apllication oAB = CreateObject("XXX.Application") Dim oStocks As Broker.Stocks Dim oStock As Broker.Stock ...more >>

Hi Guys, I have a form setup with a Datagrid. The Datagrid has a combobox in one column. I am trying to find out the value of the combobox after it has been changed. I have added a handler for the SelectIndexChanged event to the TableStyles Class as follows:- AddHandler ComboTextCol.C...more >>

I need to do some programming on Infrared, any tutorial or lesson that I can get from the internet or you may suggest which classs should I look for in msdn? TQ ...more >>