I need to create an XML file that has multiple instances of elements,
such as
<play>
   <name></name>

How can i save the specific RichTextBox in the selected tab if i have
several tabs with RichTextBoxes in? The application is a text editor
type program and when i try to save the most recently opened text file
in the rich text box my application saves that file over the other

            coverDate = DateTime.Parse(objQuote.GetValue("coverStartDate"));
            daysDiff = System.DateTime.Now.Subtract(coverDate);
I'm using this code trying to calculate the day difference between two
dates. However, daysDiff.days always returns a positive integer,

With classes such as System.Web.Mail that are marked as Obselete - are
these obselete classes scheduled to be removed from the .NET Framework
in future versions? Is there any concrete timeframe that Obselete
classes are planned to be removed, or do they stay indefinitely?

i am getting error "input string was not in correct format" when
converting a string decimal into integer value.
code is like this:
  string strVal = "";

The inelisence description of "UnhandledExceptionMode.Automatic" explains
this:
Route all exceptions to the System.Windows.Forms.Application.ThreadException
handler, unless the application's configuration file specifies otherwise.

I was just wondering, why is not possible to make a member of a class BOTH
abstract and static? MSDN says just that's in an error, not why this is so.
In a nutshell, I need this:
I have an abstract base class called EntityBase that all my other business

I am looking for sample code for blog using Asp.net(C#). If someone has code for creating blogs pls let me know.

Do you know about a good book/website explaining object-oriented pattern,
from a .net developer point of view?
Jeff

Anybodey got an idea on this problem.
Say I have a function object  doCast(object obj, Type t);
It's job is to cast the obect (obj)  to a new type (t) and return it.
Sounds so simple, but I cant seem to find a way to do it without some

Can I in simple way deserialize data from DataSet ( not typed ) to my object
? Let's say I normally will do this in that way :
myObject.Name = row["Name"].ToString();... and so on. Is there a way to put
some schema object and to automate this task ? Maybe there is any better way

Hey guys,
Here is what I am trying to achieve:
I have a grid, and every once in a while the grid will receive a message to
add a new row and highlight it (change the backcolor) for five minutes.  

Hey all,
I'm developing a tray application and want the tooltip to display status
info but it evidently has a max size of 64 characters.  
The application uses the ApplicationContext directly since it is a form-less

I'm in the process of upgrading an Object-Relational mapping library to .NET
2.0 and am wanting to implement support for Nullable typess.
I'm using Reflection to analyise the object that is being mapped and
building up a schema for the mapping.

I want to create a class in C# that will only have 'n' instances at any
given time. If (n+1)th instance is requested, an Exception will be
thrown. These instances must be maintained in a collection in the
class. Note that once an instance is acquired, it can be released as