I'm attempting exception handling for a combobox.  I wish an exception
to be raised if the user does not select an item from the combobox, but
I'm not sure of the correct code.  Here is what I have now:
try

dear sir,
             how can i implement SNMP protocol in C#.net
thanks and regards,
alok sengar

    I have already tried this URL's code
"http://www.java2s.com/Code/CSharp/Network/SimpleSNMP.htm"
but I am getting error when i am creating a UDP type Socket and recieving
packet from this socket.

My .net application downloads zip files from http server. The zip files
are produced on the http server by using J2EE. jdk 1.4. The .net
application is written in C# 1.1 that extends Visual J# zip utils
package for unzipping files.

Thanks to anyone who helps!
I'm building a data entry windows form that requires the data to be
sent via SQL
INSERT/UPDATE statments to a SQL Server table (the table's name is