Hello I have downloaded the VB.NET 2003 iso from MSDN and tried to install it onto a virtual pc but the installation doesn't get far at all because it asks me for a prerequisites disk that I don't have and which is not available for download from MSDN, has anyone had this problem with the V...more >>

After deploying my VB.NET program users complained that they can't type the first few letters in the drop down list and bring up the item because for instance if they look for entry listed as ABC and they type A then B the first item that starts with B will come up. Any way to solve that? ...more >>

Hey guys, A while back I posted a message about multithreading in .NET 2.0 to maintain GUI responsivness while using a TCPListener to monitor a TCP port for transmission. One of the MVP's in the group (Cor Ligthert) mentioned using the queue class to do this. I have, unfortunatly, been u...more >>

Interesting behavior I came across today where a child form has full access to a base form class' controls, but you can only modify the controls' properties in code, not in the visual designer. Here's how you can reproduce it: New Winforms project On Form1, drop a visual control. I'll use ...more >>

Do gurus like Kathleen Dollard frequent these forums? I wonder what she has to say about "Hungarian Notation" thread above. It seems that with her work in "Code Generation" she'd be well qualified to offer input. I think the VB.NET community needs to address this. It's about time! Other dev...more >>

Hello, I would like to create a program with a custom border. Does anyone know how I can create rounded form corners and a custom title bar? I'm using Visual Basic .net (2002). Some example code would be great. Thanks in advance, Hades...more >>

This code snippet works fine (vs 2005) Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click Dim message As New MailMessage() Try message.From = New MailAddress("myname@mydomain.com") message.To.Add(...more >>

I have a Tab Control on a form. Each one of the tabs have two populated List Boxes on them. I have a Button on the form which I would like to use to calculate the various math problems in the Tabs. I would rather not have to a button on each tab to calculate the math problems. Any assistance woul...more >>

Hi!!, Somebody know if is posible with this class make differents charts and control the click event over a part of a graphic? ...more >>

Jan 31, 2006 Dear all I am new to VB Net 2005 and learning by building a small project. I have created an MDI Form. I placed a SplitContainer on the MDI Form. Now when I want to display a Child Form on the MDI Form, it will not show. If I remove the SplitContainer, it is displayed. (...more >>

I am trying to use MAPI in a vb.net 2003 application. I find that I need the Active X control MSMAPI32.ocx. If I install IIs, will this be included? I read that VB6 includes this control but not sure if IIs does? -- Dennis in Houston...more >>

I have a Form with a Tab Control on it. Each of the Tabs have two List Boxes on them. When you Select an Item from the List Box, the Text Box at the bottom of the Form gets populated. I would like to have the Text Box clear itself when I switch Tabs. Any assistance would be greatly appreciated...more >>

How do I get a text box to clear itself when I switch from one tab to another. The TextBox is poulated using selections from the tabs, but when I switch to a different tab, the information in the textbox is still there. -- Have a great day! Drew Leon...more >>

I need assistance using a Button to calculate formulas. Each Tab in my TabControl has two ListBoxes on them. I need to know how to calculate formulas after they have been selected from the ListBoxes. Thank you, Drew Leon. -- Have a great day! Drew Leon...more >>

Hi, On the pc of one of my clients (W2000, Office 2003) I'm getting sometimes an exception when moving (Move) a MailItem to an Outlook-Folder: The RPC server is not available. (Exception from HRESULT: 0x800706BA). The client has all the updates/service packs/ etc isntalled... Does anybod...more >>

These setting mystify me for these reasons. *SelectedItem* - Help says that 'SelectedItem' gets or sets the currently selected item in the combobox. *SelectedValue* - Help says that 'SelectedValue' gets or sets the value of the member property specified by the ValueMember property. *Valu...more >>

I use VB .NET 2003 and here's the code: MyDatagrid.datasource = MyDatset.Tables("MyTable").DefaultView It seems that if I enter new values into the datagrid, the dataset gets updated. My question is if the dataset raises any event when its data get updated through the datagrid. Thanks....more >>

This code works in vs2003 vb.net Public Sub WriteLogEntry( _ ByVal logName As String, _ ByVal logSource As String, _ ByVal logEntry As String, _ ByVal logType As System.Diagnostics.EventLogEntryType, _ ByVal logID As Integer, _ ByVal category As Short) 'Arguments : logName - Th...more >>

Hello All, I am using a winsock device to stream printer code to a printer. It works well enough except one problem you may be able to help with. When I establish a connection and stream code to the printer, it works immediately, and the printer prints immediately. I can stream code to...more >>

Hello - I am trying to figure out how I can define a constant in a base class and override it in a derived class. The following shows a little example ... Module Test Sub Main() Dim A As BaseClass Dim lSelect As Integer = 1 Select Case lSelect ...more >>

I have written many small apps that use one MSSQL database. Too late, I realized a problem. The connection is hard coded in each app. And it's time to upgrade my server! To keep this from haunting me in the future, is there a way to specify a database connection in a central location? Matth...more >>

Hi, Is there a way to remove the white spaces between text? For example: "Section 1 is oke fine" I want it to be, "Section 1 is oke fine" I know the method trim, but only for equal spaces. Can I use it for unequal white spaces? Thanx -- Sent via .NET Newsgroups ...more >>

Hi, I've written a small WinFom .NET app which compiles into a an exe. I now would like to access this app's object model from another app. What the best approach for this? Thanks in advance for any advice Anthony -- Anthony Malt ...more >>

Does anyone have a good example of how I can databind my datagrid to a datasource and have one of my columns be a drop down that references a related table (foreign key)? Thanks Scott -- Scott Emick Web Programmer Fox International Remove the ham from mail address if it's not spam ...more >>

Hi, I'd like to be able to evaluate some code dynamically in VB.Net. What I'd like to achieve especially is this: dim myForm as Form = new myDLLName.Form1 What I want really is the possibility to do this: dim x as string = "2" eval ("dim myForm as Form = new myDLLName.Form"+x)...more >>

Hello All, I am working on a vb.net app where I need to compare to 2 datatables and determine if a string exists in one or both. The first dt is filled from the db. A form is loaded and the appropriate items in a checkedlist box are selected based on the dt. So far, no problem. Then user can ...more >>

Hello I need to create a combobox and I need to be able to write the first 3 letters of the code and the combo goes to the first item that starts with those 3 letters. Now what I can do is when I press 1 letter the combo goes to the first record that starts with that letter. For example I have...more >>

Is there a way to create dynamic menus and create dynamic events associated with those menus? I would like to create a menu system based on the contents of a text file. When the menu item is selected it will execute a routine whose name will also appear in the text file. Thanks. Stan ...more >>

Hi, I have a form with a databound listbox and combobox. The listbox items are filtered based on the selection for the combobox. If I click on the listbox to select an item, I can no longer select the combobox or even exit the form. It's as if something won't let me take focus away from the...more >>

hello, what code would i use to kick off a javascript script after i had registered it? If (Not Page.IsClientScriptBlockRegistered("jsScript")) Then Page.RegisterClientScriptBlock("jsScript", strScript) End If looking to kick off a script from inside a codebehind, but con...more >>

Hi guys, I have a little question (hope it's not dumb) ;-) I have a form, containing a TreeView, say TreeView1, I want to to add a file to the tree: Sub AddFile(ByVal MyFile As System.IO.FileInfo) Dim t As New TreeNode(MyFile.Name) Me.TreeView1.Nodes.Add(t) End Sub ...more >>

I cannot remember how to enable the vertical scrollbar in my textbox for which I've added combobox controls to dynamically. I have the vertical scrollbar turned on, but it is greyed out and I cannot remember how to 'enable' it. Thanks -- Scott Emick Web Programmer Fox International ...more >>

Hi, I'm developing an application that is basically a VB.NET front end to a SQL Server Express 2005 database -- right now I'm using VB.NET 2005 Express until my MSDN subscription gets delivered later this week. Here's the problem I'm experiencing -- I created several databound controls on a f...more >>

in an MDI app, how do i determine which MDI child contol currently has the focus? (from the MDI form)...more >>

hello. hopefully another quick newbie question for you.... I have a codebehind function coded to handle the click event of a button. what this function does is insert values from a data grid into the database. after that is done i want to send the user to PageC, but before i do that i check...more >>

So after three years of working in .NET and stubbornly holding on to my old hungarian notation practices--- I resolved to try to rid myself of the habit. Man, I gotta say that it is liberating!!! I love it. At first I struggled with how to name controls. I tried to keep some sort of notatio...more >>

I do not want to setup and create my ImageList over and over again on different forms in my project. Is there any ways to achieve it? so that I will be more easy to manage my ImageList as well as minimize the performance overhead. Thanks~ ...more >>

Hi everybody I have already posted my problem but the description wasn't very good, so I try again. I have 2 applications. I my first application I create an object called user. This object is also referenced in application two. In the first application I fill the object user with data....more >>

I've got a problem with the order of events in a textbox. The order of events seems to occur like this when I press esc: tb1.leave tb1.validate tb1.lostfocus tb2.gotfocus tb1.keyup tb1 and tb2 being textboxes. something like that. Why is my keyup event not processed first? I need to...more >>

Hi there, This probably wont make much sense but I'm getting an unhandled exception being thrown in the following line... Try While True Redraw control as necessary End While Catch ex as Exception <<< Here! End Try This code ...more >>

I inherite datagrid control, and I paste the derived datagrid control on tab control (4th tabpage). Why I keep lose the derived control everytime I close my form (in design environment)? Any problem with the environment ? ...more >>

In VS2005 / VB.NET, do you still have to spell out the ComponentModel.Description attribute when you want properties of a custom control to have description text in the Property Editor?... or can you use XML Comments take the place of this? If you still need to specify both, why can't the XM...more >>

I have a Tab Control on a form. Each one of the tabs have two populated List Boxes on them. I have a Button on the form which I would like to use to calculate the various math problems in the Tabs. I would rather not have to a button on each tab to calculate the math problems. Any assistance w...more >>

Hi! I would like to know when the Maximize button gets pressed so that I can use it to trigger a process. Any ideas?? Thanks! Bob...more >>

Hi all, I'm trying to save a picturebox image to a database. This is part of the code I'm using:- <snip> Private drv As DataRowView Private dr As MainDataSet.OrdersRow If PictureBox.Image IsNot Nothing Then dr.Pic = CreateByteImage() End If <snip> Private Function CreateByte...more >>

I have a program that produces a calendar which I would like to print at the bottom of a page so I can place a picture at the top. I use the following code to print the calendar: CaptureScreen() printDocument1.Print() It works well, but prints the Calendar at the top...more >>

Hi everyone, I currently develop an application in vs.net 2005 with vb.net. I was trying to use typed dataset and I've got in trouble for converting untyped dataset into Typed DataSet. I don't know why I cannot perform this casting operation properly. First off, I've got my Typed DataSet n...more >>

How to calculate how much space (in pixels) is consumed for a given # of characters while printing? I have allotted a square area for printing some text and not sure whether it fits in one line or not. Thank you, vb.net and Net Framework 1.1. Pete ...more >>

Hi all, I need help (again). (sorry for my english, it is not my first language) I was successfull by my own to create the treeview nodes from data into a table by using a dataview and rowfilters, and a recursive function call, now my treeview is all correctly loaded, (position wise an...more >>

Vb.net 2005. I need to send a message to a computer named Comp1 on my LAN. I need window to pop up, much like when a network admin sends a message to some users that the network will shut down for maintenance. But I need to do it for one particular computer whose name I know and I need to do i...more >>