Hi, what is the difference between the trim function and the trim String-member? As far as I see it, both return the trimmed string and leave the original string unaltered. Is any of the two faster? Is there a general rule/opinion to prefere members over functions? Thanks for any hint. ...more >>

Greetings, I am new to imaging in applications and wish to create an application which will draw some images in a Picture Box or similar in Visual Basic in Visual Studio DOT NET. I have a collection of 8 or so images which will be drawn in multiple locations kind of like a pac man game. ...more >>

I posted a question earlier about zip file not being able to be opened in Windows Explorer when the zip file was created with SharpZipLib. It turns out I can't unzip or open the file because it is blocked. I get a Windows Security Warning: Windows has blocked access to these files to help pr...more >>

For some reason, one of my forms has lost its design view. All the code is still there. How can I get the design view back? Thanks, Brett ...more >>

Is there a class library for serial communication. I suppose I could use the VB6 OCX MSComm32.ocx but this would not make a "pure" vb.net program. I have looked but failed to find anything....more >>

Hi would i like to send string of PCL codes to a Printer which i have the IP address, how do i send it? i'm currently using TCPclient class, but it could not work, as the printer would just hang... pls help me......more >>

I have a project, say Project A. I then start a new project, say Project B. I then add Project A to Project B. Then I add Icons to Project A and set the build property to "Embedded". I can't access them. However, If I close Project B and start just Project A and add the icons and build ...more >>

Hello, We have a datagrid in a webform that has item id, template colum with textbox for quanity and template column with link button to check stock. We need to capture the enter key when webusers type a quanity in one of the datagrid textboxes to fire the corresponding "check stock" linkb...more >>

I am using VB NET 2002. How can I programmatically create a new windows form using the value of a string variable as the name of the new form? Public FrmName As String = "MDIChildFrm1" Public %FrmName% as new Form Does not work. I cannot find any information on this anywhere. Please help!...more >>

Hi! I have created a sample datagrid that can update data on a database. Please help me solve the problem, I have attached both aspx and code behind (aspx.vb): ______________________ datagrid.aspx <%@ Page Language="vb" AutoEventWireup="false" Codebehind="DataGrid.aspx.vb" Inherits="v...more >>

Hi I have tried to create my own combobox, with properties and methods. But when I use it in a Form and try to use the KeyPress Event for the control in the Form, nothing happens. Do I have to do anything to make the KeyPress Event work for the control, I thought it inherited the event. Fia ...more >>

Does anyone know how to make a zip file using SharpZipLib that can be opened by Windows Explorer? I get an empty file when I try to open it with explorer using their example. Chris ...more >>

NG, Maybe I'm missing a key step, but it seems when typing dates into a DateTimePicker control (format = 'Short'), the controls' .text property is not updated until the control losses focus. I'm handling an <enter> key event on a DateTimePicker control. Essentially I want to give a user the...more >>

I have a class with a refence to MSCOMMLib in it so I can use MSCOMM32.ocx. It works fine on the developement machine where I have VB6 also installed. When I try to run the app on a machine without VB6 though, I get a licensing error issue. So I read about License Compiler in the MSDN.net...more >>

Is there a way to have VS.NET 2003 clean up unused events? For example, Delphi has a nice feature in that it will remove unused event code if you take your own code out of that event. Is there something like this for VS.NET? Thanks, Brett ...more >>

[I apologize for the length of this post. It started out as being a summary of some of my other posts about the petition, but grew into something larger. Also, this post is not meant to be flamebait. I have an honest disagreement of opinion in regards to the petition and I felt this was an ...more >>

Sorry if this is not the correct group i could not see one for web controls Hello I am trying to write a cutom web control, The control contains a customer collection that i want to use the Collection Editor in properties to add members to this collection. In design mode the control works...more >>

Hi, we are developing an winforms application for task management. We want generate a serial number wich includes Username, Company Name and another Information as String. How can i create from these values a serial number? thanks yavuz...more >>

Using VS 2003 and Windows XP How can I get free physical memory ?? Where is a full documentation for WMI and so an managementobjects ? Peter ...more >>

Hi List, I have an arraylist of objects. I have created my own IComparable in the object to return the sort on datetime. This works great! Now, I'd like to invert the sort. Currently, it gives me 4/1/05 before 4/5/05 (good), but I'd like to have 4/5/05 before 4/1/05 (better!) for my appl...more >>

I'm receiving a fixed length string with fixed length fields that I need to break apart. Ideally I'd like to take the string and put it into a Structure and then access the individual fields from there. I tried converting the string to a byte array and then used a Marshal.PtrToStructure ...more >>

I am new to VB, but not new to programming. I am using VB.Net 2003 and I have written a small app to monitor several running processes and everything is fine except the memory usage. When the app starts up, even though there is very little on the form, the memory usage displayed in task manage...more >>

hello, I would like to modify the content of my html page from the code behind. But i've got a problem...I know how to get the html from a spécific control (thanks to FindControl) but what can i do to get all the all HTML page code? thanks ...more >>

I am trying to create a new spreadsheet in Excel using VB.net 2003. This application has to be useable by a range of users running anywhere from Excel 2000 to Excel XP to Excel 2003. My dev machine has Excel 2003. How do I get the libraries for the earlier version of Excel? VB.net 2003 h...more >>

I have a DataSet with one DataTable in it. When binded to a DataGrid, a get the column names in DataTable as headers for the columns in the DataGrid. When I created the DataColumns I set their Caption property, but it doesn't want to show as Column header in the DataGrid. What I do wrong? C...more >>

It seems that when you pass an object to a function it is always passed by reference even if it is explicitly declared ByVal. Is it the behavior of VB.Net? Here is sample code from sample Asp.Net application. The sub loadValueByVal takes the argument by value so after returning to calling method...more >>

Hi I have a VB.net apllication (DLL) with a structure and a property get. public structure tMyCode dim iCode as integer dim sText as string end structure writeonly property GetCodes as tMycode get dim a(0) as tMycode a(0).icode=10 a(0).sText = "text" return a end get e...more >>

Hello! I'm looking for a good tutorial of making my own dll. Can someone help me? ...more >>

Hi folks, I'm copying files from i.e. a memory-card to the hard-drive. The code roughly looks like this abstract: Dim di As New DirectoryInfo("E:\") Dim fi As FileInfo Try For Each fi In di.GetFiles '... Next Catch ... End Try I would've expected that the above code ...more >>

Hi All the following code generates an error with option strict on - Option strict disallows late binding. Can someone please help with what needs to be changed: Dim sweep, totalsweep As Integer Dim slices As Array = Split("26, 40, 34",",") Dim colors() As Color = { _ Color.Blue, Color.Lime...more >>

I am using windows controls to create an activex control. I need to put tool tips in them In a windows form you go Me.tooltip.SetToolTip(btn, "Tool Tip Text") How would i do this in a windows control? Thanks Chris ...more >>

I have a hyperlink menu on my main form. And would like some of the links to open another form and bring a tabpage into focus. Does anyone know what the command is to bring a tabpage to focus? (I have tried TabPage.Focus() )...more >>

I am trying to deploy my VB.NET project with a setup project, and I need to make a reg key entry.. but it also needs to have the path to where the program was installed in they string i placed in the key. How do I go about insertint the installation path (folder only) to the file into the regi...more >>

Don't ask why... But I want to loop through all my records in the MySQL table (5 million records) and do a data integrity check (along with some other update functions). I'm wondering if there is a max size for the datatable. Or if there is a better way. It seems I loose my connection if I tr...more >>

I have enclosed the sample code that I created. I want to read in employee data, and modify a few fields. I have tried to globally declare the objects that I need but I still am having problems. I want to update in a seperate subroutine and seem to have problems. HELP please. ----------...more >>

I'm writing a database program in VB .NET 2k3: My users are able to access a large database to view single records at a time. I need a way for someone to be able to import/paste (or whatever) a large amount of records in a single instance does anyone know a good way to go about this? The ...more >>

Would like to use PgUp and PgDn from a Form event. Have successfully been able to use the Enter key as an event unique event from a textbox using the boxes KeyChar event and e.KeyChar = Microsoft.VisualBasic.ChrW(13) but search as I may through Help I have not been able to find the keycodes f...more >>

Hi, I've got a datagrid and a treeview. When the user gives the focus to the treeview I'd like to display a messagebox only if the datagrid had the focus previously. How can I do that ? thx ...more >>

How do I write code to include a zoom feature in my project so that when my Vb Form loads an image I can click in my main menu zoom in or zoom out? -------------------------------- From: Mo Ade ----------------------- Posted by a user from .NET 247 (http://www.dotnet247.com/) <Id>6aW7IUJA...more >>

I've created a class library and i'have also included some icon files like 'Embedded resource" In my class library i've only 3 public class Why, after compling, i don't see nothing icons in my dll?...more >>

It seems that Microsoft not only does not need the classic Visual Basic developer army (the largest army of developers the world has ever seen), but now they don't need ANY Windows developer at a small or mid-sized business. http://groups-beta.google.com/group/microsoft.public.msdn.general/br...more >>

I'd like references on where to find some good (quality) icons to use for form and application icons (for the EXE). Most of the free stuff isn't that great looking and there isn't a good selection. A site offering previews of icons or purchase of a single icon would be nice. Thanks, Bret...more >>

G'Day all, Ok I have form1 and lets say it has a textbox on it called textbox1.text. Now in that form1_load sub I have a command that says: my_custom_set_txt_box_properties.disabletextbox. Now I have a module called my_custom_set_txt_box_properties and in that module I have a sub t...more >>

Hi all... I'm trying to retrieve a SQLXML query using VB.NET. When I programmed in VB 6.0, I used Stream object to accomplish this which was trivial. I cannot do the same thing in VB.NET. Here the most similar object is the OleDbDataReader. I have the following method, ¿is it correct what ...more >>

I have created a multiselect list box control (lbx_comorb) that is populated from a datatable (dt_ptAdmission). The list box populates now problem at all. However the issue is when I load the webform, when there is already admission data. I need the populated list box (lbx_comorb) to show the ...more >>

Can anyone point me to a website for using VB.net and Bluetooth together? ...more >>