I have a set of classes that each have an enumeration in them, and based on dynamic input I need to access a different enumeration. For example Three classes Class_A, Class_B, and Class_C that all have a different enumeration in them called Properties. I want to basically have a variable ...more >>

Hola, He hecho en VB.NET, el juego del bingo al completo, osease, el juego propiamente dicho y un generador de cartones. 1) Y he pensado que podria controlar el juego atraves del ordenador en su monitor, y los resultados ( las bolas, el tablero) mostrarlos en el televisor, para es...more >>

Hi, I have an Oracle database with different tables of data. They all have one common field. I need to combine some fields from three tables. i.e. field1 and field2 from table1 field3 and field4 from table2 field5 from table3 Alltogether I want to produce a dataset with one table with th...more >>

Hi I am trying to get my listbox items to print if they stream past the one page mark. my code is working for one page of information (if the e.hasmorepages) is not there. But I am having trouble getting it to print on multiple pages. The second page will not print at all. Thanks in...more >>

How can i set up vb.net to read and interact with a web page ? the web page is actually a game screen of a free online game i'm playing. using a winform, i'm trying to write a program that will assist me with playing this game. ...more >>

I have been having a debate with a coleague at work about C# vs. VB.net. He is determined that VB is a toy and that C# is so much better on performance wise. I told him that I don't believe that and from all that I had seen in conversations/research, the differences seem to be trivial, yet V...more >>

I have a VB6 app that has been running fine. I modified some features and re-built it. Now when users run it they get Run-time error '713': Application-defined or object defined error How can I determine what the system is looking for? Wayne ...more >>

Hello Everyone and thanks for your help in advance. I have been battling a problem for nearly a month with the FileSystemWatcher component. Basically, what I am trying to do it to monitor three separate folders on a Windows 2000 server for activity. In my code, I have set up three separate ...more >>

Greetings, If I want to determine the line number in the text file that I am currently reading (In a StreamReader.ReadLine process), how can I do that? If I want to start a StreamReader.ReadLine process at a certain line number in a text file, how can I do that? Thanks, -Dave ...more >>

hello, Just a sort of newbie question. How can i change the backcolor of the controls which have the focus (textbox/combobox/datetimepicker) and set it back to white when they lost focus. thanx in advance Stefan ...more >>

Hi I need to get the IP address of a computer on the network that uses dynamic IP addressing. Is there anyway I get the address but providing the name of the computer? Thanks in advance Al ...more >>

I created a VB.Net program that runs a SQL 2000 DTS package via code. Created the DTS package in SQL 2000 and then saved it as a vb file. Imported into VB.Net. Everything works OK except when the code tries to run the dts package code twice. The first time everything runs OK. When it has to run ...more >>

I am trying to find a way to run a .Net executable from within my vb.net code. I need to pass parameters into the executable and wait for a return and check the return value for an error before continuing. Is this possible to do? STom ...more >>

Hello, is it possible to inherit a class and give it an interface and then let the interface methods point to the methods from the base class? class BaseClass .... end class interface MyInterface .... end interface class ComeTogether Inherits BaseClass Inherits MyInterface...more >>

Hello, I am trying to find a way to tell if an .NET windows forms Button (System.Windows.Forms.Button) is "depressed" (pushed down). For my application, I can not use a check box control set to button style, I must use a System.Windows.Forms.Button. I can not find a way to tell when it is momen...more >>

Greetings, Is there a way I can split a string into an array on a space OR a carriage return? What would the code look like for this? Thanks, -Dave ...more >>

Greetings, I have a button on a form that, when clicked, loops through all the words in a .txt file and displays them on the form one at a time. Some of the text files are large, and I cannot click any other buttons in my form or anything until the process concludes. I want to have a "p...more >>

I am getting poor performance while I am dumping multiple MDB's into a single table of my DataGrid. Is there a way to temporarily suspend the auto sorting of the DataGrid till all the Fills have completed? Thanks! Bob ...more >>

I have a form (form1). I made a dialog box for it called (Dialog1). Form1 has 2 initialized classes. I need to be able to modify the value of a variable in form1 from form2 when the OK button is clicked. I know how to do this in visual basic 6 (which i no longer use very much because .NET is much...more >>

I noticed a Free ware CDBurnerXP Pro 3 that boasts having changed over to VB .Net on his latest release. I downloaded the 15MB install file. Before I loaded it I uninstalled my .Net Framework. Then I installed his VB .Net CD burner. It worked fine with out .Net Framework! Does th...more >>

I have a project that is a DLL which is nothing more than a VB Module with a number of public classes inside of it. From what I have read, it is possible to have this DLL be only started once. For example, I have to different applications that use this DLL described. What I need is for both t...more >>

First a happy new year and best wishes to everyone here, I know I'm a bit late but I've been on a 2 week christmas holiday :-) but now the question, when I got back at work (today) I noticed that our msdn files have been moved, first they were stored localy on our development machines but duri...more >>

Obviously a newbie to vb.net and attempting to read an arraylist and then use. No problem outputting and Serializing but, and the dumb question - how to I extract something from the obj retrieved below (which debug shows has values for the Person structure) and place in a text box? Appreci...more >>

Hello Sir, How to assign more than one primary key to table by this below following code. i am able assign to a single field only. how to assign primary key to more than one field. the primary key assigning code line is symboled kept with in the *************** in the below code. 'Creating d...more >>

Hello, I am trying to learn how to manipulate a table via a Windows Form in vb ..NET. I am able to create the form1, and in the load event, I can put in the necessary ADO connection statements to query Northwind. So the environment is set up correct. Can anyone point me to an example whe...more >>

I have a Name field where I need to extract just the person's last name. I did not originally set up the database as I would have separate fields for first and last name, but this data is being pulled from an AS400 where it is just one field. I was thinking of something like trying to find...more >>

Hi, Does anyone know how I can make a rule wizard simular to the one in outlook when you create rules for your mailbox. (Somethings in line with a CheckListBox with part of the text as underlined links to create clickable input fields) Is this at all possible in VB.NET? Regards Fredr...more >>

I have an app that is run periodically using Winsows Scheduled Tasks. Occasionally, the app will still be running by the time the scheduled task rolls around again. I don't want the task scheduler to start another instance of my app, but instead check for an existing instance. If there is alr...more >>

Greetings all I have a form that reads a access memo field. I can query the database to get the info in the memo field without a problem...but when i try to update the data i get a exception. The text in the memo field can be large. It seens to throw the exception only when large amounts of da...more >>

How do I do this? -- Cheers Ithaqua...more >>

I want do something like in MS-Outlook 2002 There is the text for the main menues AND on the right side there is a input-Field / ComboBox for searching help . the text that appears is "type a question for help" Example File Edit View Tools Action Help type a question for help How ca...more >>

Hi gurus, I need to create a ButtonColumn in my code for using in my datagrig. What happens is that I create this button in code, but then when I click him, nothing happens. I have this in my vb code: --------------------------------- Dim bc As New ButtonColumn bc.HeaderText = "" bc.Text...more >>

I just started with vb.net and I don't understand why there are no control arrays. what replaced them. I was trying to do drag and drop(What happened with that) and it looked like with no control array I have to write code in for every control? That cant be possible. I looked at the help files...more >>

A monthcalendar checks every 2 minutes if theres a new day. Does anyone knows how to disable this ? The problem is that, everytime a monthcalendar checks this, the form where the monhcalendar is on, gets the focus, which is VERY annoying. Thanks, Steven...more >>

Hi there, What is the maximum length that one line can hold in a text file using StreamWriter's Write or WriteLine method? If the string is too long for one line to hold, what will Write or WriteLine do? In order me to retrieve data correctly from the text file later, I have to know the ...more >>

Below is the result of the wizard conversion from VB6. Looking at the Help doc I can find an example that uses Chaw() If e.KeyChar = Microsoft.VisualBasic.ChrW(13) Then e.Handled = True End If But isn't there a more DotNet approach to comparing a character to see if ...more >>

I'd like to take an instance of a class and store it in a database. I've marked my class as [Serializable] and am using the binary formatting code similar to http://msdn.microsoft.com/library/default.asp?url=/library/en-us/cpguide/html/cpconserializationconcepts.asp, although I'd be happy to us...more >>

Hi, All, I want to use the openfiledialog to open different extension files in different directory( only one type files at one time). I set the OpenFiledialog InitialDirectory and Filter property for ".dat" files at first time, it works. When I try to use openfiledialog to set different Initi...more >>

Hello everyone, Is it possible to get the IP address of a machine on the network if we know the windows login name. I am assuming NO. If anyone knows a work around or how this can be done, please let me know ...more >>

Hello, I have a VBA project (P1). I have a second VBA project (P2) that has a reference to P1. I have some c++ dlls that are used in P1 and P2. Is there a way I can make P2 inherit from the references of P1? I know I can do that easily if the DLL is in VB (Public MyObj as New ProjectName...more >>

I am using a DataGrid Control with a collection of TableStyles to customise input. All my table styles are of DataGridTextBoxColumn type. At the end of the last row, I need to force the row to update when the user presses return on the rightmost column. How do I do this? For some reason, th...more >>

Hi, My app uses a COM+ which I created manually. I'd like to deploy this COM+ by using a msi file to simplify the task. Anybody has a sample code or a link I aprreciate. ...more >>