I have a form on which I placed a combobox which then I related to my
database to show a list of countries. Now I need to let the user only select
entries from those available in the Combobox and not start typing anything.
Is this possible?

please help me,I've searched for the solution for two days,but i can't find
the perfect solution.

Hi NG,
i want to assign any file with an spezial Extension to an C#
application.
I know how to link the extension in the explorer options to an

I am building a vs2005/c# stand-alone desktop application that will need
to store quite a bit of relational data locally.  The database will be
mostly a read-only data store.  This application will be distributed to
many locations, so I am definitely not going to use a ...

I'm trying to read a bitmap and zoom in/out it on screen.
I wrote some code but it did not perform as I expect. The bitmap shift
1 pixel to the upper-left coner when zooming in/out button was clicked.
Please kindly help me to check if anything wrong with my code. Many

Assume that in C#, I create a server socket (listener) and code to start
new threads with each connection using BeginAccept().  After some time,
I have three threads running, each with their own client socket
connection.  If I close the listener socket, will the client sockets

When sharing a Socket between threads, are the socket operations
automatically synchronized to support multithreading?
For example:
Thread1 sets up a server socket to listen and invokes BeginAccept.

Unless I'm a lot less clear than I think I am, the hypothetical
OnCheckedStatusChanged event means exactly what it sounds like. I would
love such an event.
If not, what's the closest I can come?

Does anybody know how to send and receive MMS?
Thanks

I've got a control that you can resize the contents of one of the text
fields inside it.   When the contents are resized to smaller than the
text, I remove some of the end of the text and substitute ... at the
end.

Is there a way to locate the most recent node added to any location within a
TreeView?

Let's say I have an image which is monochrome with areas of white, black and
shades of gray. Now I want to turn all the white parts into some RGB color
but it also needs to be darkened by the gray areas for the same color.
Like say it's an image of a sphere, it is white in the ...

Hi, i would like to get some view points on the use of properties within
classes. My belief is that properties should generally be used to return
values of private members. They should not do anything that is likely to
return an error and they should not instantiate or return any ...

In the following code snippet, the thread successfully makes it to the
line where it waits for data to be received.  Then the client closes the
connection.  The thread wakes up and returns from the WaitOne()
operation.  No exception is thrown when it loops and executes

I try to display the fieldnames and the primary key of a table, with this
code:
using System;
using System.Collections.Generic;