I am running through the LINQ examples on the Microsoft site and I am
wondering where the List object below is coming from?  What classes do I
need to add to my page to be able to use this List object?
public void Linq3() {

Hope I'm using the right terminology.  Anyway, say I have a class
like:
class Animal
{

I want to put several DataGridViewComboBox (which map their own
datatable) into a DataGridView. Different Rows of DataGridView will load
their own DataGridViewComboBox.
is it possible to do so?

if I have a url/query like "localhost?a&b&c=123" then I thought I could
get these parameters and values by using
NameValueCollection query = HttpContext.Current.Request.QueryString;
But if I then try "query.AllKeys" I only get two keys, namely "null"

If auto-format is turned off in VS2008, there is apparently no way to
indent a line. Under Tools->Options->Text Editor->C#->Formatting,
there are three checkboxes. Unchecking those seems to cause this
behavior.

i can use the following
^([\w\.]|\s)*$
to validate a textbox input, this ensure input is limited to
Aplhanumeric characters, full stops and spaces. I have tested this and

First of all english is not my natural language so please fogive me some bad
mistakes in gramatic and use of some vocables :).
I have a great problem here. Well I will not use it anymore but I want to
know why it is as it is ^^. I tried with .NET3.0 but I think it will be the

List<int> a = new List<int>();
a.Add(1);
a.Add(2);
a.Add(3);

I have a database that contains several tables. Each table has the
name data01, data02, data03 etc
The column definitions for each table all contains several standard
columns and then several custom columns. There are no foreign keys or

 After writing the £ (pound sterling) symbol to a file using
StreamWriter using the default encoding UTF8, when I retrieve it the
file symbol £ gets changed.  But when I use Encoding.Default in the
StreamWriter, I am able to retrieve the symbol without any issue.

This is a newbie question on WCF. I would like to know, is it possible
to host WCF web services where there is no IIS installed? What is the
bare requirement to have WCF service hosted on a box? So far what I
read, all I need is framework 3.5. Is that right? I do not need IIS

I'm implementing support for disk based caching of binary resources (blobs)
residing in a SQL database. This post is about choosing the right strategy.
Because of the web environment, there are potentially many concurrent
requests to a resource. I would like to keep the ...

Hi and Hello Guys.
Good Day.
I have a question. How can I Input a number only on one of my cell in
Datagridview.

I want to use UNIX to develop c# applications, does anyone have any
details of compatibility issues?

           string some = null;
           if (some != null && some.Trim() != "")
           {
               Console.Write("");