Hi everybody, I need to create a custom button for all our internal applications, and i would like to know what is the best for this type of control(button), is it to inherit standard button or create a full new one with usercontrol (using GDI+) ? Which one will be the fatest or is it the ...more >>

Hi, could any1 kindly tell me how to implement line numbers with a rich text box (im making my own scripting language and really need line numbers!) Ive looked all over the net for over 4 days now and just cant find anything. Ive found C# versions but these are no good, because Im only famili...more >>

Hi all, I have implemented a filesystemwatcher to notify my app when a specific file has changed. I have a notifyfilter of LastWrite or Size. However, just opening the file is triggering this. Is there a way around this since I only want to know when changes have been made ? Mark ...more >>

I found the following to count the total number of VISIBLE rows of datagrid datagrid.visiblerowcount How do we count the total number of ACTUAL (not just visible) rows of datagrid? Thanks in advance....more >>

Consider the following example class: Public Class ExampleClass ReadOnly Property HelloWorld() As String Get Return "Hello, World" End Get End Property End Class And a subroutine: Sub DoSomething(ec as ExampleClass) End Sub You can invoke this u...more >>

For some reason when I step into the code below, it jumps out on the second iteration at the line I have marked below. Nothing else happens - no errors. Dim tcpClient As New System.Net.Sockets.TcpClient tcpClient.Connect("127.0.0.1", 9005) While True ...more >>

I wish to create a text document (to the users desktop on any machine) = which outputs to a standard text file with information obtained from = there use of my program... Some of the text will be fixed and some will = be variables generated in VB.net. For example... You have chosen a SINGLE T...more >>

I want to run a query in my vb.net application that will join a table in Paradox and a SQL Server table? How do I do this? Thanks, Rog ...more >>

I GIVE UP...I can't refresh datagrid (dataset) I have datagrid =3D dgrPaczki Datasource of that datagrid =3D DataSetPaczki1.PACZKI_PAKOWALNIA = (forgive me Polish words) Dataadapter which fills my DataSetPaczki1 =3D adaPaczki Dataadapter selects rows returned by user defined function =3D = P...more >>

Is there a control that can be placed on a form to display a *.doc file and preserve the text and images intact? Read only would be OK, no updating of the document needed. Thanks, Dean Slindee ...more >>

I am writing my first VB.net program and I am struggling to figure out how to attach an event to a method, when the event is part of an interface that the class implements. I have declared a delegate function, a public event, and the class object (g_pFeedManager) is first dim'ed as an interfac...more >>

Hello to all. I need to control some objects from a module like the old VB 6 style. Can anyone help on how to do this? For example, I need that when BUTTON1 es pressed in FORM1.. with a TEXTBOX this calls a PUBLIC SUB in a module (or substitute) and and this shows creates a new instance o...more >>

Hey all, just wondering if anyone can point me in the right direction. I'm developing a solution that allows a user to store multiple text-based content (like code snippets, notes, documents etc.) in one master document. I'm not exactly sure which is the most efficient method of going about this...more >>

How Can Set a Query Timeout and Catch the error when the time elapsed. -- Cumprimentos, David de Passos -------------------------------------------------------------- RCSOFT, Lda. E-Mail: passos@rcsoft.pt Móvel: +351 966931639 Telefone: +351 239708708 Fax: +351 239708701 Tel. Direct...more >>

I have a datagrid bound to a database and I would like to be able to select a row programmable and then delete it. I have been trying to use the OleDbDataAdapter1.DeleteCommand but I can't figure out the syntax. DataGrid1.Select(DataGrid1.CurrentRowIndex) OleDbDataAdapter1.DeleteCommand ??...more >>

Hello, I've searched for a way to add a dsn with vb.net. Does anyone has some example code? Thanks, Steven...more >>

Hello, I'm managing plugins in a .NET Application using Interface, I use the following code to load plugins: Dim pObhHandle As ObjectHandle = Activator.CreateInstanceFrom(pStrPath, pStrType) Dim pIpnPlugin As Check_Plugin = CType(pObhHandle.Unwrap, Check_Plugin) I've a problem when 2 plu...more >>

Dear all, Anyone know how to create windowless application without 3rd party controls? I want the application look like ICQ, MSN, etc. No window but custom min, close button. Thanks Best Regards, Felix ...more >>

how to convert fromVC# to VB.net.... in vc# : private delegate void NewFormDelegate(Form f); public void NewMdiForm(Form f) { this.Invoke(new NewFormDelegate(NewForm),new object[1]{f}); } in vb.net :...... but i'm not sure if this is right way.....more >>

Hi, I have a problem with my code (somewhere in the InitialiseComponent) preventing any of my controls being visible in form design mode, although everything is ok at runtime. No errors are produced when I view the form in the designer; it just presents me with a blank form. Some of the...more >>

I ment the full version of VisualStudio2005. reidarT ...more >>

Hello Folks I am trying to create an xml file from a class containing a polymorphic array. The example: AutoCompany contains an array of Vehicles(base class) which can either be Cars or Trucks(derived classes). Everything works accept the XMLSerialization. The error is v...more >>

hello. I have a webform form app in vb.Net that uses a SQL query. I am trying to use the substring function, but get the following error: Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the erro...more >>

I can see that the vs2005 version is on the bedding. Is it possible to get it? ReidarT ...more >>

Hi All I've 3 data tables with the following relation table A - one to many - table B table B - one to many - table C I've 2 data grids (A and B). Data Grid A will show tableA and tableB's data while tableC will show data filtered based on tableB's selected item. Currently this is done b...more >>

Hallo zusammen, ich suche eine Möglichkeit eine CSV Datei in einem DataGrid anzuzeigen. Mfg Matthias ...more >>

The code: Dim aLine As String = "cat" & vbNewLine & "dog" & vbNewLine & "fox" & vbNewLine Dim csvColumns1 As String() = aLine.Split(vbNewLine, vbCr, vbLf) Dim csvColumns2 As String() = Microsoft.VisualBasic.Strings.Split(aLine, vbNewLine, -1, CompareMethod.Binary) returns in csvColum...more >>

Hi, I don't even know if this can be done.. Lets say I have two objects, --- Public Class Employee End Class Public Class Boss : Inherits Employee End Class -- At runtime, I have no control over when an "Employee" is instantiated, = but I do have a reference to it. Is there ...more >>

Is there any Inter-process Communication examples out there in VB.NET? Specifically, I have app1 that executes app2 as a process and I would like to have app2 display messages in a status bar in app1. I understand that IPC is an option to successfully execute this. TIA! Jonathan ...more >>

I have a abc.PRG file in visual foxpro 8.0. I can run this file using visual foxpro environment and it creates a table X.dbf in the same folder where this program file is and populates some data in the table. I am now using VB.NET to run this abc.PRG file through VB.net environment. (Equival...more >>

How to apply a XML Schema contained in a DataSet to other DataSet? Thanks ...more >>

Hi, I am working on a client-server app. I can get two applications to talk to each other on the same machine using 127.0.0.1, but as soon as I try it using a computer name or actual IP address I get a SocketException: "No connection could be made because the target machine actively refused it...more >>

In my VB .Net WinForm app, SaveFileDialog gives me an error msg "C:\MyFile.txt already exists. Do you want to replace it?" What I need to do is to append something to an existing file, so I want to avoid this warning msg. I included "SaveFileDialog.CheckFileExists = False" in my code, but t...more >>

I have a requirement to put a GDI style circle or rectangle border around the selected row of a datagrid/ It will overlap into the row above and below the selected row. Doing this in a the OnPaint of a subclassed DataGridTextBoxColum dos not seem like a practical way to do it. I have subcl...more >>

I've a datagrid whose datasource is an arraylist object. The arraylist holds many instances of a specific class. I've two questions about this: 1 - Is there a way by which I can obtain a reference to the arraylist item the current row points to? 2 - Is it possible to sort the grid? ...more >>

I have written a VB.Net (v69586...) application which is targetted for Windows 2000 SP4 clients running dotNet framework V1.0.03705 and 1.1. This application works fine on about 50% of the 100 clients and shows an error dialog on the other machines. The shown error message is rather cryptic t...more >>

hey all, i'm using the following expression to check a datarow. if dr.IsDBNull(10) then .... end if is there a way to find out what field each integer represents for the IsDBNull parameter? because i used trial and error?...more >>

Hello guys, Can not seem to get this straight. I have two comments where I have questions on the following code. Public Shared AnalogSensors As New System.Collections.ArrayList() Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load ...more >>

i suspect that a project hat i'm working on has some problems (ok, several) in that everytime i query a db my memory usage climbs. i've looked thru the code but am having a tough time seeing a casue, is there a tool to track objects to the point that it can show number of objects that were cr...more >>

Hi, I have a datagrid which the first two columns are set from a dataset linked to a database. I would like to add manually a third column in which there would be a checkbox (one per row). This checkbox doesn't have to be linked to any dataset. I've seen methods in faqs but I find them a bit of...more >>

I am trying to create a screen mate similar to the popular sheep program which can run around the screen on top of other windows currently visible on the screen This will require me to obtain an outline of the forms currently being displayed on the screen so that my screen mate can run around ...more >>

Hello, I have to concatenate some large strings which end up in a text file. I am just checking if the StringBuilder class can improve what I am currently doing - and how to implement this. Here is what I am currently doing: Do while...true ... strData += str1 & ColDelimeter ...more >>

Hi all, First of all, why I don't usually get a response for the questions I place in this newsgroup? It's like as if it's not enough that vb.net is way different than regular vb, but also developers who are trying their very best to update their knowledge to vb.net don't get enough support. ...more >>

I want to set up my CATCH for a specific exception, but I really don't know which one of the multitude that it is. I am getting the exception now with Catch ex as Exception but I want to be more specific. I can't find any property of the exception object that tells me WHICH one it is. ...more >>

The code below is being used to launch WinWord.exe from a VB.NET program. Word launches, but displays this error message: "Word has experienced an error trying to open the file. Try these suggestions. 1) Check the file permissions for the document or drive. 2) Make sure there is sufficient fr...more >>

Hi, Does anyone know how I can display a tooltip when the mouse is over an item of a combobox's list. That tooltip should show the actual text of the item if this one doesn't fit the combobox's width. I can't figure out how to determine if the mouse is over one of the items.... thx ...more >>

How do you put a hyperlinked text on a blank form. Just a plain form Thanks ...more >>

I have Visual Basic.NET 2002 with .NET Framework 1.0. I also have Visual C++.NET 2003 with .NET Framework 1.1. Is there anyway to upgrade the .NET Framework of the Visual Basic to the version 1.1 so I can have access to the added tools in the later version in my Basic installation and not have ...more >>

I am displaying the records from a table in a grid. The simpel SELECT statement works fine. However, I have to use this select statement select right("00000" + Column1,2), column2, column3 FROM mytable This does not work. I mean it is not showing the 0000's in the first column. The above ...more >>

I have 2 mdi childforms which are database input forms. Each form has the usual add/delete/edit/save buttons and a few textboxes. I capture the keypress events on the textboxes to allow only numbers and I also capture the Enter key to move focus to the next control. The forms work fine if ...more >>

I have Visual Basic.NET 2002 with .NET Framework 1.0. I also have Visual C++.NET 2003 with .NET Framework 1.1. Is there anyway to upgrade the .NET Framework of the Visual Basic to the version 1.1 so I can have access to the added tools in the later version in my Basic installation and not ha...more >>

I have an application that allows users to edit documents using Word 2000. Sometimes it opens Word but the toolbars are missing. Users find this very frustrating. I can't track it down as it is intermittent. Has anyone else had this problem? Any ideas? I create the class with: P...more >>