I was wondering if someone could help me with a regular expression problem. I have a string of characters and numbers that will contain some information about chemical formulas. I need to parse out of the string what elements it contains and which numbers are associated with those elements. Th...more >>

iam using this code but the moment i click on submit it says "Insert Error: Column name or number of supplied values does not match table definition" although there is nothing wrong in the table If IsValid Then Dim cn As OleDbConnection Dim str As String ...more >>

Hi guys, How can I capture a window or the whole screen and save it as a picture? Thanks Ahmed ...more >>

Is there a way to change System.Web.Mail's Content Transfer Encoding? It's currently using Quoted Printable... However, a piece of software on the receiving end does not support Quoted Printable. Is there a way to switch the encoding type? Thanks! -- Lucas Tam (REMOVEnntp@rogers.com) ...more >>

Hi i have already create an interface which allow me to print a document. but i would like to skip the print dialog, which mean that while i click on a self implement button x, i am able to print that document out. For ur info, i have already stored the document path and name under a varia...more >>

Hi All Is there a way to Execute a query (possibly including two tables and joins) on a totally disconnected dataset. By 'Totally Disconnted' , I mean there is no DB and there is no DBConnection / DBCommand - all the data and structure is in memory. The query is to be used to databind a grid,...more >>

Hello, When show a string in a fixed extent label control, if this string is too long, then it can not be shown inextenso. How to only show the front and the end of the string, the middle section will be replaced with suspension points? like the windows progress dialog box of copying or movi...more >>

Hi I have a parent child forms. I want the close, maximize, and minimize buttons to be removed. One the child form I have set the maximize and minimize buttons to false. I have the child form mamiximze in the parent form. So then the maximized button is still active. But I want the chil...more >>

Okay, this is dumb.... In gwbasic I can print using "#####.####"; 12.987654 and that produces ,,,12.9876 (commas for spaces). I've looked at buildstring, and tostring but nothing I've seen gives me the ability to format with a non-currency number position to the right of the decimal ......more >>

Hi, I created a console applicaton and try to import system.web.mail. But I do not see it. after system.web I can only see 3 choices for AspNetHosting..... But I downloaded a sample console app. from the web and I do not have any problem. Any idea what am I doing wrong? Thanks! Greg ...more >>

Hi All, I'm not so clear between component and class. After reading from help, component can also be said a class but implement icomponent interface. But what's scenario I should use component and what's scenario I should use class. I'm so confused on it. Anyone could help? Thanks B...more >>

Hi Guys I have two DateTime pickers one shows the Date and the other the time, this is a requirement of the solution. The problem I have is that when the time is saved to the sql database into a datetime field it uses the default date which is a problem when I try to sort, what I wanted to ...more >>

I am planning a very large project in vb.net and I want to make it modular. If the project needs 200-300 forms what do you think about creating a user control for each of these forms? The main program would dynamically load, place and dispose each one as required. Is this a good idea from applic...more >>

I am developing a VB.NET user control that is composed of a component control (along with some classes, etc). This is probably a stupid question, and should be easy, but I must be having a brain fart. In the control itself, how do I set focus BACK to the form that the control is on? This control...more >>

How do I install the application made in VB.NET to another PC? In another word, how do i make the installer using VS.NET ? Will it also install .NET Framework? ...more >>

I am trying to use the EM_STREAMOUT message to get RichEdit Control data from another application. I have found several examples on the web for C++ and C#. I have tried to convert them, but the call always crashes the window I am trying to get the data from. Does anybody know where I can fi...more >>

I've been able to get a pair of listboxes to pass data from one to the other successfully, but only one selected item at a time. If I change the listbox mode of both the multiextended, it only passes the item (point) from which the drag begins. Here's some of the relevant code: Dim Pt As Ne...more >>

Hi all, I have a Java wrapper program which I need to access in Visual Basic / VBA. I am trying to read some objects and methods and get data from the java and genenerate an Excel file for the client. What is the best way to do this?. Please help Thanks...more >>

1) Should I use Integer.Parse to convert a string into an integer in .NET now? CType(sUserID, Integer) OR Integer.Parse(sUserID) 2) And is it better to use the string class to trim, get length, etc in .NET? s1.trim OR trim(s1) s1.length OR len(s1) Thank you!...more >>

I need to move data stored in an xml file to an MS Access 2000 table. I have a VB.net (created within Visual Studio.Net 2003) windows form that reads the xml data to a dataset and displayed in a datagrid so the user can verify that it is indeed the data they want. What I'm missing is how to sa...more >>

I'd like to pass a variable to my webform1.aspx, place it in a textbox on the page and push a button to execute code when the variable is present... e.g. www.server.com/MailboxSize/WebForm1.aspx?username=John.Doe or www.server.com/MailboxSize/WebForm1.aspx the app checks for the...more >>

I know I can add the VB6 Winksock control as a COM object but how can I use the .Net Sockets to do the same thing? I see no way using a tcpClient to get events for a connect or data arrival. What am I missing here? thanks mike w. ...more >>

Hiya Could anybody direct me to some examples of code to do the following: Display a bitmap on a form which can then be moved about i.e. dragged, using the left down button of the mouse. Thanks in advance Geoff ...more >>

I have just started to code in VB 2003 and have a problem, whenever I try to load an image at design time, no matter whether it is a background image or into a picture box I just get an error message stating "empty path name is not legal". Can anybody explain what it going on and how to get roun...more >>

Hi All, I am using an API function, which takes file path as an input. When file path contains special characters (@,#,$,%,&,^, etc), API function gives an error as "Unable to open input file". Same file path containing special characters works fine in one machine, but doesn't work in other. ...more >>

As a matter of practice, where would people put the following elements of object creation/initialisation: Create shared member objects Initialise shared member objects Create non-shared member objects Initialise non-shared member objects Initialise peripherals The places where these coul...more >>

I have a service built that is trying to read messages from a private que. When this tries to happen I get this error.... A workgroup installation computer does not support the operation From what I read I need to have my system setup on a domain, is this correct? For my dev work I'm not g...more >>

I have a stored procedure which is as follows: Alter Procedure "uspConfig" ( @FO int, @Pull varchar(4) ) As DELETE FROM tblEEConfig INSERT INTO tblEEConfig SELECT FO, Pull, Config, StartSNRange FROM tblSerialNum WHERE FO = @FO AND Pull = @Pull; This proc will only return one record....more >>

How can i get my datagrid to read from right to left instead of up and down? I want to be like: BMW Lexus Volvo instead of: BMW Lexus Volvo...more >>

If I want to write this in one line; how do I achieve it? Public Property x1() As Integer Get Return _x1 End Get Set(ByVal Value As Integer) _x1 = Value End Set End Property /k ...more >>

I am having trouble using a component - I believe a managed component, but that's part of the problem. I have to source, as it is freely available on the internet. I have communicated with the authors of one of these components (there are several versions) but no one has been able to expla...more >>

Hi all, I have a VB.NET app which contains 1 form. The form starts a thread which does some processing based on what the user is doing on the form. My problem is, the thread can display a MsgBox which is not Modal to the form. If I click on the form while the MsgBox is up, the MsgBox hides ...more >>

Hello all, Please allow me to revisit this topic once more it has hindered me for the longest. Even after the great replies I got in the past. I guess they might have been a bit over my head or my requirements weren't very clear. I’m betting on the latter (not asking clear) so after sever...more >>

I need to transfer different types of data from my tcp client to my tcp server - string, bynary, datasets. Ho to know what exactly data I receive? ...more >>

I need to open a cash drawer and the easiest way to do that is to: ECHO "||" > LPT1 I have put: system.diagnostics.process.start (my echo command) but it fails with a File Not Found error. Any ideas??? Darin *** Sent via Developersdex http://www.developersdex.com *** Don't just...more >>

hey all, i was wondering why I've seen articles similar to the following: ADO.NET Code Generator - Map DataBase Objects To .NET Classes What does this subject accomplish? Like, this does this instead of doing what? Please also give me an anology if possible. thanks, rodchar ...more >>

In my treeview, I need each node to hold a "value", not just text/label. Kind of like how a ListBox item has text, and a value associated with it. I need this because when a node is clicked, i need to get the "value" behind the node and then use it do do something. Anyway, I made a custom tr...more >>

Hi all, I'm having problems calling a stored procedure from within my code. If I execute the SP manually from a Query Analyzer window it runs without a hitch, but it seems it doesn't even fire when I try to run it from my code. Anyway, here's both the VB code and the stored procedure: ...more >>

I want to start an app, and at the same time control where it is placed. I use the following code, but it doesn't seem to work. The MoveWindow call doesn't move the window. What am I doing wrong? Isn't the shell function supposed to return the handle to the window? Or is this just a process id a...more >>

Vb.Net Make dll that contain one function. Help Please. I would like to call a function from different applications. I think i have to make a dll. I have Visual Basic.net 2003 Standard Edition, that teorically does not make dll, but pratically does. I search vbc.exe and copy it to a new ...more >>

Something very basic I either never thought about, or (more likely) once knew and by now have totally forgotten. I have developed a Windows application in VB.NET, all based on a single Form. I would now like to add a Splash Screen to the project, which should be seen by the user whenever th...more >>

I have the (usual) problem that, in a combo or listbox, I want to keep a text and a related key value. For instance the country description and the country code. In order to solve this I uss the following approach: With the following class I create an item #Region "Create SubClass Item" ...more >>

I am a bit unsure about this "Effect"... My code: Public Sub Main() Application.EnableVisualStyles() Application.DoEvents() Dim myMainForm As New FormularioPrincipal Dim mySplash As New MyClass.SplashScreen If mySplash.ShowDialog() = DialogResult.OK Then Appl...more >>

Good day, I nned to find a way of opening a new window. I have a aspx page with a whole bunch of text boxes and so on on it and some command buttons. What I need is that when one of the command buttons is pressed and some preocessing gets done in the aspx.vb section I need a new window to o...more >>

To pass the instance handle of a client application we use VB6.GetHInstance.ToInt32 in VB6. What should we use in VB.NET ? Actually I am trying to do TAPI programming in VB.NET . In Visual Basic the lineInitialize function is called as follows: Error = lineInitialize(hTAPI, VB6.GetHIns...more >>

Could someone please show me the code (or design-time) required to use a comma-delimited textfile as data to a datagrid?...more >>

To pass the instance handle of a client application we use VB6.GetHInstance.ToInt32 in VB6. What should we use in VB.NET ? Actually I am trying to do TAPI programming in VB.NET . In Visual Basic the lineInitialize function is called as follows: Error = lineInitialize(hTAPI, VB6.GetHIns...more >>