In the main program I check to see if a certain form has been disposed. Does it make sense in that form's FormClosed event to do: Me.Dispose to make sure it is disposed the next time I check. Or is that automatic? Thanks ...more >>

I have an application that runs in the system tray and I use global hotkeys to perform functions. When certain hotkeys are pressed, my system tray application may display a message box and sometimes a balloontip, but then focus is taken away from the application the user is using when this ...more >>

I once read a pretty good article using VB 6 on how to design a framework using MDI forms and ActiveX controls to display different documents. It was a pretty good tutorial and I have been looking for something similar for VB.NET. What I am trying to do is code a framework and by adding different co...more >>

I have some sample code that uses the print dialog, print preview and a print direct options. If I select print preview and then click the printer icon from that, the document prints. If I select the print directly option, it also prints right away to the defauilt printer. However, if I ...more >>

Hi. I have an event handler in VB.NET that gets called several times. The output of the event handler is XML that is being called by an xmlhttp request from the client. I am using a stringbuilder to create an XML document every time the event handler gets fired. Each tag is appended like so...more >>

Hi all, I'm programming a Knowledge Base application (VB 2005, Framework 2.0). I integrated a RichTextBox control so I can insert pictures. The problem now is the size of the saved document ! Images are stored under the BMP format. Is there a way to store the images under a smaller format (...more >>

I created a dataset from a access database without any problem. Dropped it on my form, which created the BindingSource, the Table Adapter and the BindingNavigator. So far, so good. I can now edit, add and delete records and save them by pressing the Update button. However, I'm working on an...more >>

Hi, All, I want to draw line chart on the web using visual basic 2005, vb 2005 doesn't have chart components, so can anyone point out where I can start working this? Thanks, Ma...more >>

Greetings, Dim dr as datarow dr = ds.Table("tbl1").Select("RowID = " & txt1.Text") If dr("RowID").ToString.Equals("123") Then... if the RowID in txt1.Text does not exist in "tbl1" then I get the index out of bounds error -- dr did not get a row - a row with that RowID does not exist. ...more >>

I think I saw something once that made me think a program could get notified if a file changes. I'm not sure if the notification occurs if anything in the file system changes or if it is more selective. I've been searching the VS2005 doc but can't find anything. In any event, is there a...more >>

Hi, All, vb.2005 window app runs on window HP, but doesn't run on the window 2003, does anyone know any clue? Thanks, Martin ...more >>

Private mFormat As String = "##.##" Return DirectCast(value, Double).ToString(mFormat) returns "" when value is 0.0 I would prefer that it return "0". Does anyone have some advice? Thanks for any help Jeremy Kitchen ...more >>

Hello everyone can anyone please help me? I basically want to set the length of a string variable to help spacing my simple report out. i tried dim test as string(14) but it didnt like that Shawrie ...more >>

hello I have a datagridview in which one column is a datagridCombobox Column which is data bound, in the second column the user is allowed to enter what ever he wants, and i want the user to add rows via a context menu only, i get an error message that rows can not be programmatically added ...more >>

hello, how could i make to know if my column PK on access is auto increment. with .net i use Dim dtLstKP As DataTable = MyConn.GetOleDbSchemaTable(OleDbSchemaGuid.Primary_Keys, New Object() {Nothing, Nothing, strNomTable}) thx bonjour comment puis je savoir si la cle primai...more >>

Hi, I need to change the notifyicon in a countdown. after about 3000-5000 times there is an error. Here is all the code. what is wrong please help the code needs only an notifyicon and an imagelist the timer is for changing the icon Jan 'start code--------------------------...more >>

I have the following class that I am using to manage my database interactions. I disconnected my PC from the Net (disabled my connection in Network properties). Interestingly the call to Function SetDBconnect worked - even though I was not connected to the IP address. However, the ConnL3Pr...more >>