I have a Namespace compiling to a DLL. It contains 2 classes and 10 structs
all typed as public and it worked.  When I added an additional public struct
the added public struct cannot be accessed outside of the containing
namespace. Both the contained namespace and the accessing ...

I have a c# program that continually runs 24/7 and performs a variety of
tasks based on a timer.
There is one routine that hangs every Saturday morning without fail. If I
restart the program throughout the week is still hangs. I can restart it

I am looking for a calculator control for my web application in VB.NET
(VS 2005).
Is there any Infragistics control like UltraCalculator,
UltraCalculatorDropDown for web applications?

I have a prgram with a webBrowser control.  The user can click on a
Linked Reference and the webBrowser control shows that site.
Sometimes the URL (not my program, but the URL I am browsing to) has
an "error on page", eg, a javascript error.  My program then gives a

I have a solution with two projects.  Project A is the startup
project, while Project B serves as the project with the data logic.
At run time, the first thing I need to do is write to Project B's
app.config.  I've referenced System.configuration.dll within Project

I have an XML and I am using XDocument to traverse the xml document. A
sample document look like the following
<root>
 <node1>

Using C# 3.5
I have a form that calls many other sub-forms.  Typically there will be
five forms open at the same time.
If the main form is closed all the sub forms are also closed.

The company I work for has finally woken up to data security on our field
laptops.  I'm writing something in C# that will allow remote deletion of
sensitive data and I don't believe File.Delete() will be sufficient.
Is there anything in .NET that removes any remanence of the file?

I am in a trival situation!!! I have to choose a technology for the
business logic. I need to choose between Enterprise Library and
Windows Workflow Foundation. Can someone please shed some light on the
topic?

Say I have a class that has a generics List as follows:
public List<MyClass> myClassList = new List<MyClass>();
and I want to create another class which tries to add an element of MyClass
to that list, but it is not explicitly creating an instance of MyClass, but

I am converting a .net winforms app to wpf
I make use of the System.Windows.Forms.ComboBox.FindString but am
unable to find anything that accomplishes that in the
System.Windows.Controls.ComboBox

I have a DataTable that looks like this:
Id Value
123 4.0
123 5.0

What is the best way to test my methods that hit a database?
I believe tests should be as automated as possible. However, I'm not
sure how I can test against a database since changes will modify the
(development) database.

Using VS2008, .Net 3.5.
I have a File.Copy which is copying files to a unc path.  The copying
is done by a normal Wpf application.  Suddenly, trying to copy the
web.config to the unc path fails.  So does File.Delete, although I

I have a ListBox which is binded to a dataSet. When I need to refresh
this dataSet, it works, but the old entries don't get removed from the
listbox. Items.Clear() doesn't work when a DataSource is set.
How would I clear all the items from the ListBox before refreshing the