hi frnds, can anyone tell me how to append record/records in a binary file in vb.net thax ...more >>

After seeing a recent post "Re: Best value Help file builder" I downloaded and installed HelpMaker on WinXP Pro (no SP) and am receiving the below error when I try to run it. I emailed Vizacc support but haven't heard from them yet. Aby help will be appreciated. Application error: ...more >>

I would like to zip files (all sub-folders and files inside a folder, but not including that folder). I have read several articles on the Internet, teaching me using .dll like Info-zip, Zlib, C..., PKZip, etc. However, I always meet run-time error! And one more problem is that, I don't want fut...more >>

Hi I wonder if anyone could point me to where I can find some kind of overview that explains what icons represents what functions in intellisens? Let me explain: if I make a textbox on a windows form, in the code window I can type textbox1. and after the period I have a lot of options displ...more >>

In my .aspx page, I am trying to read file that is on a different on the company network. When I map a drive to it and call from within my .aspx page, I get this error: Could not find a part of the path 'Z:\Events.nss'. Description: An unhandled exception occurred during the exe...more >>

Good morning all, I have an issue where I am importing a large CSV into Visual Studio 2005 - Visual Basic; as always the creators of the CSV have included the details of the data at the end file (Some 1.6 million records from the beginning). I am doing some evaluation on the file before I unde...more >>

The Visual Basic 6.0 DirListBox control allow you to select a Folder. How to select a Folder in VB.NET? ...more >>

I'm working on error handling in my program and need some input. Dim errorsFound As Boolean = False Dim respstr As String Try respstr = proxy.validate(soapmesg) Catch ex As Exception errorLabel.Text = ex.Message errorsFound = True End Try If Not errorsFound ..... I'd rather no...more >>

Hi How can I tell if a form has been closed using the red cross in the top right of the form rather than, for example, pressing an OK button? Geoff ...more >>

I have a web app that works fine on the development machine and on several servers running Win2k IIS 5 and Windows2003 IIS 6. But I am having an issue on one particular erver running Win2k IIS 5, but has an Apache server sending redirects to this server. My problem is when I try to do a Res...more >>

Hi, I'm using a DataGridView with a DataGridViewCheckBoxColumn. When the users checks or unchecks the checkbox, some actions have to happen in the underlying DataSource and other objects. But the underlying DataSource gets only the new value (True or False) on the moment the users leaves th...more >>

I have a page with several server controls placed on there at design time, including a blank table control. During runtime I add some controls to the table, including some checkboxes, which I called ch() as checkbox. the user would then check some of them and click a button. the event ha...more >>

Can anyone help. I have been trying to write a little app using advapi32.dll and if I use a dwResaon other than SHTDN_REASON_FLAG_PLANNED as int32 = &H80000000 I get a error. I have tried using "SHTDN_REASON_FLAG_PLANNED + SHTDN_REASON_MINOR_CORDUNPLUGGED" or "SHTDN_REASON_FLAG_PLANNED & SHT...more >>

Hi all, I am using a datagridview in .Net 2005 to display data from a stored procedure using a System.Data.SQLClient connection. After the stored procedure dumps the data into a dataset and the datagridview is displayed I need to conditionally format the backcolors of the rows (this will be...more >>

How do I say 1 hour in VB.Net. I'm trying to find out if now - starttime > 1 hour If Now().Subtract(starttime).ToString > ???????? Then...more >>

I would like to create the shell dialog box that opens the search box that allows a user to search for groups, users and or computers on a local machine of on a domain (Like choosing domain users when setting file permissions). Does anyone have a nice .Net wrapper that I can use to accompli...more >>

group, please help with the following codes below. why would this not work... would it require casting/reflecting? if so, does anyone show me the right codes? Dim chk As System.Windows.Forms.CheckBox If Not MsgBox("Are you sure you wish to clear?", MsgBoxStyle.YesNo + M...more >>

How does one check for end-of-file while using the Streamreader class methods? File opened like so... inputstream = File.OpenRead(Infile) Dim SrRead As StreamReader = New StreamReader(inputstream, _ System.Text.Encoding.ASCII) I intend to do-while not EOF using SrRead.Rea...more >>

I want to use "send" to send a string like Code: send "p" & OutputString if OutputString is "1234" , "p1234" will be sent. but it is sent too fast, my robot' cpu cant receive the whole string. Sometime it get "p123" . Can we set some delay between them in this code? ...more >>

Is there a way to use the System.Security.Cryptography.RNGCryptoServiceProvider to create a number that is between 0 and 86? -Peter ...more >>

Okay, I've given up on using the "new" WebBrowser in 2005 to do what I want to do -- tabbed browsing. It seems I really need RegisterAsBrowser and Application to get each instance of a browser working on each tab (and those methods are not available in 2005). I found some code on MSDN forums, ...more >>

I'm very confused on how the Protected Overrides works. I created a new project with a new form1 and a new datagrid called myDataGrid. I created a simple DataTable and put 5 rows and 5 columns of data into it. I bound the DataTable to the DataGrid. The example at the end of this post is exac...more >>

I create a .PNG image ( in Macromedia Fireworks ) which has an gif in it in the top left corner and a lot of empty canvas space to the right. I use about 10 text boxes on a form to populate that empty space with text. I then print the image ( from a picture box on my form) on a UPS Ther...more >>

Peep, i need help with a form. i set controls beyond the size of the form, but when i click on the controls that are beyond it, it auto scroll to the top. is there anyway to have it not auto scroll? the forms auto scroll property is set to false. please help...more >>

I have a dataset that I queried from an excel sheet. I want to loop through the rows, then loop through the columns and write them to a file. But I got stuck pretty quickly: So far: For Each dr As DataRow In Order.Tables(0).Rows Next In this for each I want to start a second for eac...more >>

Hi, I have created a form from vb.net. It runs well if i copy it to computer's local drive. But when i run it from network drive it gives this error: Application has generated an exception that could not be handled. Process id=0xc3c (3132), Thread id=0xe84(3716) how can i know what is went...more >>

Hi. I have the following: ___________________________________________________________________________________ Public Class SquareDictionary Inherits System.Collections.DictionaryBase Default Property Item(ByVal key As String) As Square Get Return CType(Dictionary.Item(key), Squa...more >>

Hi, I have VS.NET 2002 and I'm reading about ReadOnlyCollectionBase, Collection, and DictionaryBase. In the following reference regarding VB2005, I can't find them: http://www.dotnet2themax.com/dotnetbrowser/ShowNamespace.aspx?asm=System&ns=System.Collections.Generic http://www.dotnet2the...more >>

Hi all! I want to loop through my datareader and print out 5 rowns on each page but i cant get it to work... Heres my code: Dim curr_X=20 Static intItem As Integer = 0 Dim y As Integer = 0 Dim bDraw As Boolean = True Dim g As Graphics = e.Graphics Do Until Not bDraw myReader.Read ...more >>

What is the easiest way to convert serialdate (like excel has) into real date in VB.NET? Thank You Peter ...more >>

If I open a DOS console window (CMD) and enter "Netdiag /v", I get periodic output showing the progress of the diagnostic tests being run. If I create a Windows Forms app to run Netdiag using System.Diagnostics.Process I can only get the output in a single block. That is to say, if I redire...more >>

Hola, tengo un problema un tanto "raro". Tenia instalado un SQL Server 2000 Developer en mi XP Pro que me funcionaba perfectamente y me ideal para las pruebas de aplicaciones; pero ayer me descarge la demo de 180 dias de SQL Server 2005 y la instale; pues bien, hoy ya tenia mucho problemas ...more >>

Hi, can anyone suggest a good bar code add in for VB.Net, I need printing functionality only. I would need all the most popular codes including 2D, PDF and DataMatrix. Cost is an important consideration! Thanks, Tull. ...more >>

In my program,(vb.net ) If I want to let the user choose "printer setup "directly, without preview, How can I do that ?? Thanks a lot ...more >>

Hi all, This is probably a real dumb question, but I just haven't come across the answer... Is there a simple way to treat a byte array as a string, or to convert it to a string? And the converse would sometimes be useful too, i.e. convert/treat string as byte array. Thanks ...more >>