I've a form with three comboboxes. Each of them contains the same data - all
cities in my country. As you see it's a lot of data so it takes a lot of
memory. I'd like to use the same datasource for all three comboboxes but
property Datasource works in different way than I want. It ...

Sorry I've forgotten what parameter for EventArgs to pass to a button
click-handling event handler if I simply want to call it from code, ie
Button_click(Me, ???)
(I presume that it is acceptable practice to call the click handler

I am binding a datatable to a WinForms grid control but for some reason the
GridTableStyle is being ignored, the data just displays as if no TableStyle
was set up
I have also tried changing the DataTable TableName in code before the code

in my application i use NotifyIcon.
when the user minimize the form i want it to hide and
wait in the systray.
and when the user rightclick's the icon in the systray i

I am thinking of an object called "user."  This object will be instatntiated
during a login process. But I want to use this to control the behavior of the
application since it will also encapsulate the logged-in user's security
profile.

I'm just curious if I can have both the "old" .NET 1.0 working on the same
computer as the new .NET beta?
TIA
Kejpa

Can any one help me. I added crystal report item to my project .net. After
connecting to database , i inserted three columns from table. I ran report in
.net is working fine.
My problem,  I want to add fouth column from DB to my report. My field

I have created an application that issues a SQL statement, writes the
resulting rows into an Excel spreadsheet and then emails that spreadsheet as
an attachment to our customers.  I want this to run daily and completely
unattended.

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Button1_click
Dim Form2 As New Form2
Form2.Show()

I am having trouble with a tab control. All the fields on the form are data
bound and are spread over two tabs of a tab control.
I have placed a Clear button with the code to clear all the fields on the
form.

I create my own usercontrol which is [Inherits
System.Windows.Forms.TextBox], my purpose is set all textbox's font into the
same.  Now , I can do it by using the following code
  Protected Overrides Sub InitLayout()

How do I sort a DataGrid Column in code without clicking on the column header?

Hello, my app needs to copy a file from local TEMP folder to network
share.  The network share is accessible via a domain ID.
I am trying to call LogonUser API, then ImpersonateLoggedOnUser, then
copy the file to this share.  But I keep on getting errors.  Even though

Thanks
However, I want to create the vbproject  . One vb project (type is windows
application .exe) dynamic call another vbproject (class libary .dll) . while
windows application project do not need add reference "class libary ".

I'm writing an error handling routine for my VB.NET program.  I have a
routine that is called when an error occurs using "on error goto' as in a
class library which then loads the first form in the system.
When I encounter an error I'm using err.number for the error number,