I get random errors raised when compiling a multi-project application. For
example the compiler will claim that a class has no constructor when it
does. If I replace the first line of the constructor with the same code ( or
just re-load VS)  and then recompile things are OK for a ...

I started having this weird problem.
I developed this user control. I place it on a form and I run the
application. The controls in my user control are all black and you see parts
of the screen the form is hovering over.

I need to implement in my class something to notify events to the
application.
I must focus in the performance, so maybe you can tell me if is better to
implement a event or a callback (using delegate directly)

I am having ASP.Net WebApps.
I need to know, is it possible to have a dropdown menu (combobox) inside a
datalist.
If it is yes, can give me a sample code in VB.Net.

I could use some advice really, as I'm a developer who works on my own in a
company with no-one else to talk to who can understand me :-(
I've been asked to write a production managment and planning tool for the
horticulture industry (wholesale suppliers growing plants to be sold ...

I have an app that I need to build and it consists of 5 distinct sections
with many subitems for each.  I am going to layout the software in a way
similar to MS Money.  
I want to autogenerate the left hand navigation from an XML file and that is

<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false"
Inherits="shine.WebForm1" %>
what does Inherits means in this tag, what is the use of it
plz explain me

I'm trying to learn C#. I'm coming from Smalltalk. I need a good example of
implementing a Dictionary (Keys->values) without having to create my own
subclass.
I see how to add, but not sure how to create and instance, how to access the

Can someone point me in the right direction to help estimate
the cost to upgrade from VB6. We have 8 VB6 licenses. All
the box's are running VB6 and NT 4. We also are using VSS 5.0.
We have some massive(40+ forms) applications in VB6 that

I am getting a messages that I am getting.  Maybe someone can help
explain some of these.
Parameter names should use complete words
Type: ParameterNamesShouldHaveCompleteWords

On the OnItemDataBound of a datagrid i am trying to check some condition as
shown in the code below:
  for(int i = 0; i < ReportDataGrid.Columns.Count; i++)
               {

I am in the middle of creating a control and wondered if someone could
help me with a problem I have.
My control is based on an existing control but I have added at least
twenty properties to this control and would like to put them in a

example code:
public class envtest
{
    public static void Main()

I'm using a hashtable where the key is always an integer.  The value stored
with the key holds another key that gives me a collection.  My question is
will the hashcode generated for the key (an integer) always be unique i.e.
is there any chance given two different integers that I ...

Question:  Can namespaces be shared by several projects within a
solution, if those projects use different languages?
We wrote some db code in C#, and some biz logic in VB.NET.  We brought
both projects within the same solution.  We used identical namespace