I have the following problem:
My program saves data as .xml files. I want the following: When a user
right-clicks on a .xml file (in Windows XP), and he chooses "Open
with..."  and then he chooses my program, the program should load itself

can anyone tell me if its possible to have mixed colum-types inside
one colum in a Datagridview under Net 2.0?
I need to have comboboxes (with different content), inputfields and
DateTimePicker inside one column depending on some flag on the

Lets say I want to have a sparse lookup by two int values to a string
value...  I can do it by:
Dictionary<int, Dictionary<int, string>> d = new ...
d[4953][1344] = "hello";

I want to fetch host header of a site url but not getting idea how to
do that.
Can we do by using HttpRequest.ServerVariables.
I have searched in net but not getting the member through which we can

I have the following objects and namespaces
namespace MyNameSpace.Borrowers
{
   public class Borrower()

If you have a *small* console application that perhaps opens and reads a
file, is it better to handle exceptions or test the returns from the
opens, etc up front? Or is it six of one and half a dozen of the other?
Cheers,

I’m trying to do a console application and would like to limit the number of
characters  entered, I’m using the Console.ReadLine(). Can’t you do something
like this Console.ReadLine(“#####”)?

I have a component where I need to have thread-safe access to a list.
Operations on the list are done in critical sections (lock (lockObject) { ...
} ) in the usual way, to make sure that no other thread will modify the list
while operations are running.

I have some code that works on top of COM. One is a library provided
by Crystal Reports (Business Objects) and that other is for GroupWise
(Novell).
In the first case, I keep getting errors about COM objects being

In a network I have a W98 PC that I want to close down from another PC in
the network. I have found out that the following command will close down the
W98 PC:
rundll32 krnl386.exe,exitkernel

I have a server based C# console application.  This application must
hide its console window when its launched out on the field.  So I
dutifully P/Invoke'd FindWindow/ShowWindow combination to hide the
console window at launch time.

I will have a fixed number of columns in a tablecell array, but the number
rows will be dynamic. Is there a way to add array items at run time?

i have this function which call an sp that has a return code
 public SqlDataReader fn_SpecData(Int32 iDate, Int32 iRange, out Int32
iRowCount)
   {

When I add controls to a pocket PC form at design time, all the scaling works
fine.
I see in the initialize code the use of AutoScaleDeminsions and AutoScaleMode.
However, when I add a control (say a button) dynamically at run time and I

i forgot how to do this someone help
how do i make this into one
       private void mnuTray_Click(object sender, System.EventArgs e)
       {