I am working on an auto update feature for my program and basically it gets the assembly information for the main application and compares that against the database the problem is that when i try to rename the main files it says it can't becuase the file is still in use. So once i have opened ...more >>

I understand that If somestring.length = 0 Then is faster then If somestring = "" Then and is equivalent to If (somestring is Nothing) AndAlso (somestring = "") Then Is that correct??? Also is there something better then: somestring = "" Thanks ...more >>

Hi I'm hoping somebody can help me with the following. I'm trying to delete all the rows in a dataview. There are 200 rows. Everything works fine until I delete half way through and then I'm told in an exception that "There is no row at position 100" The code I'm using is: For Eac...more >>

Is there a site that offers Date Code functions for VB.net like MondayDate, Workdays , FirstdayinMonth etc. It helps me learn date coding. I'm a VB6 convert. Paul ...more >>

This is not about starting a fight but an observation that seems to be proving itself on its own merit and is therefore simply a point of conjecture. I did not get serious about writing software until I learned ASP/VBS (if that can be called writing software) as my focus was and remains for...more >>

Greetings. I'm a VB6 programmer that has just installed the VB.Net. I would like to learn VB.NET as quickly as possible. Already I'm finding simple issues such as the Print object not supported in VB.Net. Wish to port my programs over to VB.Net before I continue on them. Was wondering wh...more >>

"get" statement does not support by .net any ideas on converting this one vb6 Open FileName2 For Binary As DestinChan DestinLen = LOF(DestinChan) DestinFile = String$(DestinLen, 0) Get #DestinChan, , DestinFile Close #DestinChan *** Sent via Developers...more >>

Hello I have a question. I have a project called "Primary" and in that project I have a reference to a Com application called "engine". In "engine" I have a function that does many things and calls other local functions for several purposes. In one of those functions I have the code: ...more >>

My goal is to create a remote installation program to rollout program installs and updates. We're a small company with about 60 workstations, so it's not worth the investment in SMS. I have the first part working which used the directory services namespace to enumerate the workstations in a ...more >>

I know this should be simple but I can't find it. Dim A as new object Dim B as object B = A Do Bunch of stuff Check if B still = A This is basically pointer comparision in C++ days. how do I check that A and B still point to the same object? Chris...more >>

Hi Does anybody know how to freeze the first column of a datagrid so it stays visible when scrolling the grid? Geoff ...more >>

Hi, I've omitted a large chunk of the code for clarity but the loop below is how I'm calling a delegate function asynchronously. After I start the each call I'm incrementing a counter and then making the main thread sleep until the counter gets back to zero. The call back function for each ca...more >>

Hello, Is there a free tree view class for Visual Basic .net??? Thanks, Pam ...more >>

Hi I have to change automatically the text inside a textbox. I need to add thousand separator when I am writting in the textbox. I am using TextChanged event and when I insert a new number, i have a function that formats the complete text with thousand separator. For example, if textbox1 c...more >>

My code works as a VB.NET executable file. So I'm trying to "adapt" it to a ..NET XML Web Service. As a VB.NET file, I used Microsoft.Office.Core as the reference, and everything was fine, but when I try to do the same thing as an XML Web Service, VS.NET says my syntax is not defined. Can...more >>

Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tick Timer1.Enabled = False CheckThread = New Thread(New ThreadStart(AddressOf MyThread)) CheckThread.IsBackground = True CheckThread.Start() End Sub ...more >>

I configured a data adapter and a dataset to connect to a SQL database. Also I wrote a code to setup a currency manager for data binding on the form load event. On a button click event, I want to show the client's data based on the client's first and last name typed in 2 text boxes (filterin...more >>

Hi, I have installed a VB.NET application on a Windows 2000 computer. The application writes to the hard disk under the its folder and writes to the Registry under "LocalMachine\Software". I want to allow Windows 2000 users to run this application using their limited user accounts (i.e. ...more >>

Hi, I want to use the DataGridViewButtonColumn of VS.NET 2005, but this button isn't a n'ormal' button, but some minor and inusable version fo the button-control. I want to show an image in my button, which is normally I standard proeprty of the button, but it doesn't have this proeprty. ...more >>

Hi, When I load my form I start a new threads that creates a datareader, which gets data from my database. The problem is that I'd like to be able to abort the thread when clicking on another button, otherwise there is an attempt at creating a second datareader, while the thread is still run...more >>

I want to compare two files like MS Visual SourceSafe's Show Differences feature. Is there a way to access methods in VB.Net that will let me use existing MS code to show the differences between two files using the same interface that MS VSS uses? Are there other methods that can be expose...more >>

Its not very easy actually because the dates can be in a variety of formats as per the RFC, not just the ones you've listed. They can be in UTC, GMT, and others. You might try using Indy (Its free) from http://www.indyproject.org and use its date conversion routines that it uses for mail parsing....more >>

Hi There, If I switch from the Form i have drwan my graphics like Rectangle to some other Window and come back to my graphic window the drawing is disappeared. How should I go abt it? Can if u can explain me why it happens also it'll be gr8. :) Regards Rohan...more >>

I have an application that connects to several domain controllers and enabled a specified user account. The reason for this is that my company required that administrative accounts be disabled at midnight every day, and that a ticket be provided and logged before our operations staff will enable...more >>

I have a windows service which instantiates the Powerpoint Application using PIA. When I am running this windows service am not able to open the Microsoft powerpoint application. This problem happens in XP and win 2000, Where as the same works fine in win 2003 server. Any suggestions to make t...more >>

hi, i want to turn on/turn off a usb lamp via a vb.net button... i think i would have to turn on/turn off the power for this usb port.... how could i do this? kind regards...more >>

If I display a TimeSpan I get something like 00:05:17.6217891 when what I would like to see is 00:05:18 Is there an easy way to get this output? Try as I might I just can't find it. TIA Charles ...more >>

I have a "Inventory" Object that contains the product and all its fields. The problem is that I am getting soooooo many functions under main Inventory class so it becames impossible to initalize a new programmer into this code. For sample, I have Add_AllowAccess, Add_DisallowAccess, Remove_A...more >>

Hi, I have a device that scan's a doc and send's the doc image back. Below is the function in API to get the Image: ULONG MTMICRGetImage ( char *pcDevName, char *pcImageID, char *pcBuffer, DWORD *pwdLength ); Example of using the function =================== //Get the imgae size fro...more >>

I had complete my vb.net application.. and want to plug several forms on Webpage, Let theuser input it thr web pages. Does anyone know how to do ?? THanks a lot ...more >>

Hello, I found there are some date formats in the email header, for example: Fri, 23 Sep 2005 08:51:56 +0800 Sat, 17 Sep 2005 09:08:07 Wed Oct 19 13:40:23 2005 19 Oct 2005 13:40:23 +0000 19 Oct 2005 13:40:23 -0400 How to convert these date formats to VB.NET date? Thank you! ...more >>

Hi i would like to use some C# in an other wise vb.net project. How do i tell the complier that some pages are in c# THanks!...more >>