Hi All, I dont' know why I can not pop up a message box. MsgBox("test") it is ok in vb6... Best regards, Boki. ...more >>

All, I am trying to assess how much work it is going to be to "port" my current Visual Studio 6.0 applications to dotNet. It seems like many things that should be trivial are really problematic. I'm sure this mostly (but not completely) due to my lack of experience with dotNet. Anyway...more >>

Hi All, I have this error msg, but I have already import lib, could you please advice? Imports System.Data.OleDb Public Class Form1 Inherits System.Windows.Forms.Form Dim cn As OleDbConnection Dim cmd As OleDbCommand Dim dr As OleDbDataReader .... Error msg: Type 'OleDbConnection' no d...more >>

Hello all Is it possible to use Impersonation from inside a windows service to impersonate the logged on user without supplying any credentials and launching a program as that user ? My problem is that when launching external apps from my service it does so as the services logon account not t...more >>

Hi, I'm using VB.Net and writing an NT service that runs in the system account in the background with no interaction with the desktop. I'm running it on XP Pro. I'd like to get the URL of any Internet Explorer process a logged in user is running. I can get a list of process IDs and from ...more >>

VB2005 / XP SP2 Hi all, I'm just a newbie in VB.Net and I created an MDI container form, with a menu and when I choose something from the menu, it should load the MDI child form maximized. To achieve this I set the WindowState property of the child to 'Maximized' and use the following co...more >>

In my chat application, I create a new window for each private chat. I use the FlashWindowEx API to flash the window if it's not the Foreground window. I determine the Foreground window using the GetForegroundWindow API. So in each window I have a line like such: If pvchat.Handle.ToInt32 <...more >>

What is the difference between the sub menu item "Build Solution" and "Rebuild Solution" under the main menu item "Build". I tried to read the help to find out but no luck. -- Dennis in Houston...more >>

Hello: Using Express editions, VB.net on XP Pro.- What technique do you find productive and efficient for taking and searching notes in your projects? I have too many paper notebooks. Task descriptions are too short. Notes are usually one or two paragraphs, but sometimes get longer. I wou...more >>

Hi, I have to encryt a file in my vb application and pass that file over the internet to my another web application that will decrypt the file. In dot net we have many options for encryt/decrypt. Does any body have a code written in VB which supports any of the .Net decryption. Thanks ...more >>

Could someone answer a vb.net database question? what is a good way to code a form so that a user could navigate through a dataset ie: MoveFirst, MoveNext, MovePrevious, MoveLast, Update and Delete records and have an option to find a record. I have been able to figure out how to navigat...more >>

Hi guys! I want to do a large number of scheduled task (say 80). Each task can be run at a certain time every given weekday. For instance at 10am and 5pm on each monday, etc. I would like to ask what is the best approach to check and run the scheduled events. The first (perhaps silly) th...more >>

How do I create a submenu so that I can only check ONE of the values? Example: Menu --> Color SubMenu --> Red Value 1 --> Yellow Value 2 --> Green Value 3 Thanks.... ...more >>

Hi, How do I check datatable.select(filter) in the following: for each dtrow in datatable.select(filter) .... next I've also tried: if not (datatable.select(filter) is nothing) then for each dtrow in datable.select(filter) ..... next end if but it gets an exception in my cat...more >>

LIKE is a noise word so I'm having trouble finding/googling information on it. The help in VS.NET was less than useful explaining this little quirk... ? "test.test.test" like "*.*" True ? "test.test.test" like "*.*.*" False Is this expected behavior? Paul ...more >>

Hi guys! I get this message when trying to insert a new record into a datatabel which is part of a dataset connected within VS 2005 (VB) from a datagridview control via a DataTableBindingSource and TableAdapter to an SQL Server. In the SQL server the field is declared as "do now allow null"...more >>

Hi all, I'm new to XML and having difficulty trying to find information or examples for certain tasks. Basically I need to read in a sub-set of data from an XML file, similar to a SELECT statement, also INSERT and UPDATE type routines. Can anyone point me in the right direction? Cheers,...more >>

I have a form which has an opacity control of type numbericupdown. It's supposed to control the opacity of frmMain. Here's my code... Private Sub numOpacity_ValueChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles numOpacity.ValueChanged frmMain.Opacity ...more >>

I have datagrid that I format at runtime with tablestyles and adding columns. I have a DataGridBoolColumn that I have subclassed, but can't get the right result. I want to disable a cell based on the initial value of that checkbox. If the initial value is checked, I want it to be disable wher...more >>

I have several instances (Around 20) of a .Net application running on a server. In task manager they all show as something like "MyApplication.exe". I would like to make the filemanager name show something like "MyApplication Instance1", Is this possible? Right now if one process starts a...more >>

Albeit new to VB.NET, I've done this several times before, but today I've run into an interesting problem. I am trying to loop through a datareader and display the data in a spreadsheet. So far, I only get 1 row to display. (I know it has multiple rows) Here's the code for the loop: xlRow =...more >>

Hello, I have an application in VB 2005 in which a PictureBox is drawn onto at runtime. I would like to save the sequence of the pictures at each update into an AVI file with a user-specified frame rate. Is there an easy way to do that (preferrably without third party components)? Thanks for ...more >>

I am trying to call SP_Password from some vb.net code. This should be very straight forward but no matter what I do, I keep getting errors. Here is the code strConnectString = "Data Source=" + strServer + ";Initial Catalog=master;user id=" + strID + ";password=" + strOldPass + ";" ...more >>

Hi all I am storing some information in a database, including the Expression's for columns in a DataTable. In this Expression, I want to display 2 fields, Address and Contact, but seperated by a new line, so the Contact appears on the line underneath Address. I have the following stored ...more >>

Good Afternoon, Is it possible to start a thread with threadpool and either abort it or set a timeout to kill the thread if it goes longer than a given amount of time? ...more >>

I'm trying to create a class and with in that class i want to access or change the property statement by using "For" or "For each..." statement... is this possible? Please point me to the right direction if it is possible. Please advice. Thanks in advance. Ros...more >>

Does ShellExecute work in VB2005? I am trying to open a pdf with a button - I get no errors, but nothing is happening. Here is my code: Option Explicit On Public Class frmPROTest Const SW_SHOWNORMAL = 1 Dim hwnd Private Declare Function ShellExecute Lib "shell32.dll" Alias "...more >>

Hey all, I have a small app I have developed that periodically pings a list of server and returns their status. Given my environment I have setup the program such that a server can be down 4 minutes before I get an alert. My problem now is that is a server is rebooted, it will be back up b...more >>

Hi, I have a variable (m_sngPrixNetUnitaire) which is of type Single. When I want to write the value to my SQL SERVER 2000, I put this value in my DAL (MyDal.PrixNetUnitaire), which is of datatype SqlDecimal. But during the conversion the value changes, and MyDal.PrixNetUnitaire =4.474999...more >>

I have noticed that as one adds related tables to a bindingsource and dataset(vs2005 Vb.Net Sql Server 2005), the TODO and following code that fills the datasets on form load are written to the formload event in the order in which you drag the tables to the form to make a gridview, the last ...more >>

Hi, I understand that I cannot create an instance of an interface, but why is it ok to do the following? What is it creating? foo = New System.ComponentModel.IEditableObject(10) {} whereas the following will get a compiler error ('New' cannot be used on interface): foo = New System.Co...more >>

Hello guys, I have done a small utility and would like that an image be displayed on the the windows tray (on bottom-right of the screen). Also I would like that when one clicks on X (close) the application be minimized and only the tray icon be visible. When one clicks on the tray icon the...more >>

I am looking for a method (maybe even a commercially available piece of software) to watch a program and ensure that it is always running. If it is killed in task manager, it will automatically start it up again, etc, etc. ...more >>

I'm using an API that references this namespace. and all I can find on Google is "Don't use it!" I'm stuck using it and need to know how. The specific problem I'm having is in my deployment project. I get a compile error "Unable to find dependancy "MICROSOFT.VISUALBASIC.COMPATIBILITY' ... v...more >>

What is the proper way to initialize a variable as a structure? It seems to work for me either way, using the New keyword or not. Private Structure FLASHWINFO Dim cbSize As Int32 Dim hwnd As Int32 Dim dwFlags As Int32 Dim uCount As Int32 Dim dwTimeout As Int32 End Stru...more >>

Hi guys I am looking for the best way to generate new reports with reporting services for SQL server 2005. The reports will be generated programmatically from a .Net VB application. So far I see the only way to do it is to feature my objects (text blocks, pictures, tables drawn from excel and ...more >>

Hi everyone, I try to a display a .txt file in window's textbox or rich textbox. The text file has contents line by line aligned perfectly when using NotePad to view and print it. But when I display this .txt file in textbox or rich textbox the alignment all messed up. Please help me to s...more >>

Hi everyone, Can you help me please? I am having a problem with the encryption/decryption of words with the Irish fada in them. The Irish fada is like this: =E1=E9=ED=F3=FA/=C1=C9=CD=D3=DA. It's kind of like the F= rench grave... Anyway when I run encryption on a plaintext word like: ...more >>

I am creating a user control containing a combobox using VB.NET(2003) I want to add 2 public properties "DataSource" and "Items" like the "System.Windows.Forms.ComboBox" here is my code, but it doesn't work. What's wrong with it? Public Property cboDataSource() As Object Get ...more >>

Hi all I am trying to call a method from a C# dll asynchronously from VB. I don't know how to do this. Please get back to me with your suggestions. Thanks....more >>

Hi group, I have this code for create a appbar like windows taskbar, but don't work :( If remove the next line from Button1_Click SHAppBarMessage(ABM_REMOVE, abd) when finish app keep desktop area and work perfectly when restart app Please help!! Imports System.Runtime.InteropServi...more >>

Hi, can anyone help me with the code or instructions to write a code to read the HDD sr no and lock my application to this no. for security and piracy protection of my application. Thanks a million in advance. Surendra ...more >>

I'm getting some errors such as: A first chance exception of type 'System.ArgumentException' occurred in System.Data.dll A first chance exception of type 'System.UriFormatException' occurred in System.dll Ok, fair enough, and I fix them. But instead of stopping at the offending statement i...more >>