How can I highlight the text in a cell, as if it had been selected with the mouse? I have a validation routine that checks the data in each column. If a cell fails the validation, I show a MessageBox with an error message. I then want to highlight the bad data. But I can't seem to do that. ...more >>

I started to use MS Visual Basic 2005 Express Edition to learn how to program in Visual Basic. This Express Edition saves projects in this path: C:\Documents and Settings\Username\My Documents\Visual Studio 2005\Projects Is there a way to synchronize the Visual Studio 2005 Projects director...more >>

Hi all. I'm using the following code to attempt to send Email, it's part of an application I'm writing. I don't need any fancy stuff, just a simple text message. This code is just for testing but the final thing wont be any different apart from dragging info from a database. I can't ge...more >>

Hi All Can anyone please let me know how to catch an unhandled exception like " An Unhandled exception of type 'system.stackoverflowexception' occured in mscorlib.dll " I am unable to catch this using "try - catch - end try" block. Thanks in advance Regards Vighneswar NGV33010 So...more >>

I have been working on a VB 2005 DLL which has previously been working. I would create the DLL (reporting.dll), install it, run 'gacutil' and 'regasm' and my Access 2000 DB could see it and use it. I have recently added some new functionality, which included splitting out some classes into...more >>

Hi everyone, I have a script that saves an excel worksheet as a CSV file. However, I need to save it as a tab delimited text file, since csv won't work for our purposes, because of commas in the numeric amounts passed in. A sample of our script is below, and I need to know the constant to save a...more >>

I am using ThreadPool to call a sub in a class. The first time the ThreadPool is called, I created a socket in the thread. I can connect a client to the socket and send a message to the client (in ThreadMain), but when the client send a message to me, the Sub SocketClient_OnRead event did not ge...more >>

Please how shows the vertical column separator line in a datagrid? Thanks a lot ...more >>

I'm wondering what arguments you people might have for/against implementing an internet based system via. either Virtual Private Network (ie. the client thinks it's local) or via. a Web Service. It seems that the VPN requires greater system administration and can be a pita to setup, but tha...more >>

I have a string array full of values like this: 05 00 0A 5E 4C 40 40 03 00 C0 9F 27 60 57 08 00 C0 9F 36 71 35 01 00 0A 5E 4E 40 13 I want to sort them in an ascending fashion based on the two left-most numbers, such as 05, 03, 08 and 01. What is the best way I should try to do thi...more >>

Just wondering what others were doing to clear the errorprovider? What I mean is that, during processing of a windows form, I may turn on (i.e. SetError) the errorprovider for various fields. Now, once I have committed the data (or reset the form), I want to be able to 'clear' all these flags be...more >>

I just received the error message "An exception has been thrown by the target of an invocation." So, I did as any good Christian would do, I closed Visual Studio 2005 Standard, said a little prayer, reopened Visual Studio, and the error was gone! Invocation = Prayer, so the target of a prayer...more >>

Within an Assembly added to the Global Assembly Cache, System.Reflection.Assembly.GetExecuting.Location returns the path to the shadow(?) copy buried under C:\Windows\Assembly\Gac\... Is there an [easy] way of finding out where the DLL was /before/ it was added to the GAC? (and prefere...more >>

Hello All; When I deploy my application (which consists of an executable and a config file), does the user need the .NET framework installed on his machine for my app to run or does the Setup Wizard distribute the required components along with my executable? TIA, -- Joe...more >>

What is the difference between using Me.close vs. End to stop the execution of a program? I've been using me.close and putting code in the form.closing event to make sure things are stopped before the program execution stops. This has been working for me even when the startup is sub main p...more >>

I am trying to write a custom panel control that I can place objects into at design time, however, i want a header on the top of it which can not contain controls (its a static header) in the image shown below, I have a red outline marking the region i dont want a control to be able to be plac...more >>

Hi, I have a different requirement and it is : I need to validate a phone number field. It may or may not be a US phone number. The constraints are : *********************** # It should accept any number of numbers # any number of - hyphens # and one + symbol # no other charac...more >>

I have a datagridview which is populated via a datatable. What I would like to dynamically set a selected row and have that row show up in the datagridview and not have to manually scroll to find the selected row. I had a look for all kind of "datagridview1.rows(i).focus" but there doesnt s...more >>

If I develop a SQL Express DB for my app, how do I distribute SQL Express also? Is there a silent install for SQL Express (like for MSDE)? Also, how do I put my DB in the new SQL Express instance and attach to it instead of to my local development copy? ...more >>

Howdy all am trying to convert c# app to VB so change alter parts of it. But am getting confused by a couple of bits... at least ;-) a) private point[] path1(point p1, point p2) { int minX = Math.Min(p1.X, p2.X); int maxX = Math.Max(p1.X, p2.X); for (i = minX + 1; i < maxX ...more >>

Hi there, I've been experiencing a strange issue for a short while now and have managed to make a tiny replication of the bug. The uploaded a VB.NET 2005 project which implements a single instance application, it's very basic. http://nickpateman.m6.net/Files/xpbug.zip P...more >>

hallo ich hab gleich 2 Fragen : 1. Wie kann ich einen webservice beim kompilieren mit der vbc.exe referenzieren 2. wie kann ich eine config datei beim compilieren mit einbinden thx for help ...more >>

Wasn't there a report component that you could use in a VB/VB.Net app that would allow end users to create thier own reports to save and run? I swear I remember seeing such a thing....but I can't remember the name..... ...more >>

Hi! Is there a way in VB.NET to determine the caller's class name? System.Reflection.MethodBase.GetCurrentMethod.GetType basically telling me what is my current executing class, but I wanted to know, which caller class invoke my existing class method. Any help is much appreciated. Bo...more >>

Hi! Is there a way in VB.NET to determine the caller's class name? System.Reflection.MethodBase.GetCurrentMethod.GetType basically telling me what is my current executing class, but I wanted to know, which caller class invoke my existing class method. Any help is much appreciated. Bo...more >>

Any function to randomize strings? thank you, Samuel ...more >>

It appears that I cannot correctly install the AxWebBrowser in VS2005. I can instantiate an "AxWebBrowser browser" and refer to its members, properties, and methods. I'm having trouble with the AxWebBrowser.Document: When I print browser.Document.GetType().ToString() at runtime, I get "msh...more >>

Why would you choose SQL Express (which requires an installed application to work) over the simplicity of an Access database which has no dependencies? ...more >>

Hi !!! I need to know if there is compatibility between VB 6.0 and Visual Basic 2005 Express Everything I need is to compile the VB 6.0 code in Visual Basic 2005 Express without re-write the code. So If anyone has any idea about this... Thanks for any information. ...more >>

Hello, I have an application that runs continously gives an error and stops working if the internet goes down (which happens for about 5-10 minutes several times a day. Can anybody tell me how to test for internet connectivity when this happens and then pause processing until internet conne...more >>

I'm working on an application using VB .Net 2005 and MS Access 2003 for the database. The table I'm trying to update has a key field. When I click the Save Button the update seems to work in the dataset, but the database is not updated. The code I'm using for the btnSave is: Private Sub ...more >>

Hi there, I've got what I hope is a simple problem to solve... Here's the back story: I have a windows form. On the form is a panel containing three textboxes. Also on the form is a text box and an ok button. Here's the problem: On condition A, I want input focus to go to a textbox on ...more >>

How can I capture a keypress on a date time picker when the calendar is in a "Dropped Down" state? I am trying to capture the "ESC" keypress when the drop down calendar is showing. Right now It will not fire an event, it will simply close the calendar then if I hit "ESC" again, it will fire th...more >>

Does anyone know of a component, free or otherwise, that will allow me to open a PDF and save it in a compressed format? The MS ReportViewer saves PDFs in a totally useless bloated format. You can get a 20MB pdf. You open it and save a copy using acrobat and the copy is 220KB. IF anyone ha...more >>

Hi all, I can see how to change the color of a pen in VB.net, but how would I change the color randomly? I guess it would have to be some way of accessing the color by a number, rather than its name. Thanks Mark ...more >>

I'm trying to do some things in vb.net and am having some trouble. I generally work in VBA excel but would like to expand my horizons. I have a couple of questions. 1.)I'm having trouble calling subs from different forms etc. I tried making the sub public etc but still couldn't get it to rec...more >>

First up, I know I'll get some good answers here, but in general, are there any newsgroups devoted to overall application architecture? Second, sorry for cross-posting but in this case I think it's appropriate, I want to hear answers from both sides. Instead of representing inheritance in ...more >>

I'm writing a query tool using vb and Sqlbase and noticed that when I do a 'non-query' statement, it automatically commits. I'd like to have it wait until a 'commit' is issued before the commit. I thought you had to do this in a transaction. I changed the code to do a transaction, but now when...more >>

I am new to .NET & SQL Server and am having fits trying to connect to a SQL Server Database/table. Can someone please please please send me a copy of their connection process (connection, dataadapater, fill, whatever is needed to actually connect to the database & table) including querying a...more >>

I have a remote database with two table A & B. A contains 100 or so columns and anywhere from 21-50k records. B has 5 columns and anywhere from 100-200k records. B has a many to one relationship with A. I need to process all of these records one by one. What I'm doing right now is pulli...more >>

I need to backdoor my program for IT. I want to set a form so that if an IT staffer has the left ctrl key press and right click on a picturebox a hidden control will appear (a checkbox) to override the startup of the program. How is this done? John ...more >>

Hello Tom and all, I am also doing almost similar kind of task. In my tree View, I am using 2 tree view from different access table which are almost similar. I want to drag and drop childs from one tree to another. I read youe messages, so think you alreay did it so can you please help me, its...more >>

I am writing a vb.net program that needs to create a table in the same format each time it creates a new table. This is a "ulility" program that I am going to be using it for. Right now I have keyed this large table into sql server 2000 and the vb.net program I wrote loads all the columns a...more >>

Did Microsoft just gut the capability of its wizard in this regard? Has anyone successfully done this with the wizard, or do I have to write everything by hand? Thanks for any tips. ...more >>

Hi, I'm trying to take advantage of Word's spellchecker from a vb.net app. I get this to work but I have a lot of questions about deployment. First, after I add the appropriate COM reference in VS.NET 2005, is there an extra .NET assembly that I need to include with the project to make it ...more >>

I am having a rounding problem in a value i am trying to display in VB.NET. If I have the following code: Dim x As Single = 2726.795 Dim y As Single = Math.Round(2726.795, 2) Dim s as String = String.Format("{0:0.00}", y) The value of s is 2726.79 If I have the following code: Dim y As Si...more >>

Hi! I am writing a custom control. Is there a way for my control to refer to the form (that hosted this control) handle programmatically? What I wanted to do is to set form property when the control properties changes. How could I refer to form during design time when the form is unknown? ...more >>

Hello, I have a gridview control bound to a objectdatasource. The primary key column is on the grid but made visible = false. Because the column is invisible I cant get to the cell value when the user presses the edit button on the grid. Code Sub CustomersGridView_RowEditing(ByVal sender A...more >>

I have a master control program that needs to run continuously, accepting data and updating a datagrid for the user. As a result I have setup 2 threads, one accepts and processes incoming requests and updates the database, whilst the other thread is started once a update has been committed t...more >>

(sorry if this posts twice....I waited several hours and didn;t see it - so here it is again.....) Perhaps I am somewhat dense.....but, I still need to know..... What do you need to do in order to ship a SQL server Express or Developer edition database with your Visual Studio .Net 2005 appl...more >>