I have a Winform that instantiates a class and then calls a subroutine in
that class.  
This routine is extremely long and database intensive and I am trying to
display its progress by raising an event each time a record is processed.  

The first time I bind an array to a ComboBox, it works fine. But when I try
to rebind to the ComboBox, it fails. I tried code like:
this.BookList.DataBindings.Clear();
and

If the form dll is using, will the dll file locked and can not be overwrite

There is a small but important difference in designer generated code for
DataGridView columns.
Beta 2:
//

In my windows application(C#) , i have two arraylists.
I want to compare those two arraylist.
Is there any way for that?
Thanks in advance.

I'm implementing a pop-up taskbar notifier window which is supposed to
"slide up" from under the taskbar.
It's working but its quite primitive. All I do is to create a timer which on
every Tick (25ms), moves the position of the window up a notch. If the pc is

I am experiencing this problem all over again:
I pass some data to a form, so the form initializes its controls with this
data. Now when the user use these controls to change data I trap the event
and change the data so it is updated whit what the user selected from GUI.

Is there a menu or utility that will export the data in a table as 1 sql
insert statement per row, to a text file?

I've been working with the Windows Forms datagrid, and can't seem to figure
out how to get the currently selected row when dealing with objects that have
a Hierachy.
For example we have a recursive tree like structure that consists of

i have one application(windows or web application)
that application should run
when i logged into windows
for example, when ever user logon to the system or windows

I am looking for a way to switch between different forms in my main form.
In other words, I want a behavior where I can show different controls based
on the selected context of the treeview.  I thought I could do this with the
tab control, but quickly realized that I can't hide the ...

I developed a console .exe application which is going to run on scheduled
basis, it will be scheduled to run in Windows Scheduled tasks. Client wants
some kind of utility that would help them manage scheduled tasks on different
servers. So, how can I add scheduled task to local ...

In my current project , i use my own control library derived from 3rd
party DevEx controls and some other open source controls i got from
code project . I add these controls to my toolbar but when i update my
controls in the current project, designer(in another project) causes

i have a treeview that i set the checkboxes property to true.
i don't want to display the checkbox for all the treenodes, just the ones
that need them. is there a setting on the treenode that can hide its
checkbox?

I want to create two executable applications, AppA and AppB. AppA uses an
instance of the Process class to launch AppB, via the Process.Start() method.
AppB has a WndProc but does not display a window.
Later, AppA sends a message to AppB telling it to shut down. AppB includes