I have a C# assembly project under Visual Stuio 2008 Pro on Windows Server
2008. I converted the project from VS 2005.
The project references COM->Microsoft CDO for Windows 2000 Library 1.0,
which adds two entries under References called CDO and ADODB. When I compile

I have built an application containing a few projects (nothing that I have
written)and there are a few compiler warnings (obsolete methods and the like).
Does anyone know if these obsolete methods cause any performance issues if
not corrected?  I would imagine that they do, but ...

I have added a database model to my application and dragged a couple of
tables on it. Then I wrote a couple of selects using LINQ to SQL and
everything works fine.
But I can't fingure out how to add new items. For example, I have a

Does anyone know any working Multiselect Dropdownlist that uses Checkboxes?
Environment is ASP.NET and language C#.
I would be very appreciated if someone would give some links to working
solution.

c#2 , sqlserver 2005
I am parsing a Text File into 2 Datatables
Parent we'll say invoice
child well say Invoice Items

I have a dropdown combo box where the DataSource is bound to a CSLA BO
returned from a WCF call. The dropdown list looks fine, but selecting an
item returns "SYSTEM.RUNTIME.SERIALIZATION.EXTENSIONDATAOBJECT" (which seems
to be related to WCF somehow) and I am not sure how to ...

Im a bit confused about when you cast a value type to an object.
I have a property grid wich stores the data and the defualt as
objects.
the data is limited to primitive types, structs and strings.

.NET 3.5
I have a Windows Service application and it does remoting,
but when a client incounters an error the client get the following error
message

I have some code something like.
public class Info
{
 public static IList GetUser() { return User.GetUser();}

In my C++ and VB days, it was easy to put a program on a network
drive, and allow each user to shortcut to it.  Then, when needed, I
could just update the program on the network drive, and each user
automatically had it the next time they ran it.

i am preparing a website through .net technology on xp O.S.can user enter the data to the site even if he does not have the .netframework installed on his P.C. or is having windows 2000 installed

Hi, I am using Visual C# window creating an application to read an xml file.
At some point I need to use  XPathNavigator and XPathNodeIterator however
when I used those subjects I get error message . I add the "System.Xml.XPath"
class however it either empty or not implemented. ...

Open file from resource as a stream?
Or just how to read resource text file line by line?

I cant seem to get my head wrapped around this issue, I have myself so
twisted now there maybe no issue!
Ok so I designed a class X that has a few members, and for arguments
sake one of the members Y is the location of a file to be read.  The

Hello, just wondering, in the event model windows uses, they use an
argument wrapper class called EventArgs which you can subclass to
encapsulate all the arguments you need to pass to any eventhandler
method, so my question is, why is this model not used for pass