Error = "The configuration system can only be set once. Configuration
system is already set"
Exception Details: System.InvalidOperationExcepti­on: The
configuration

Ok, sorry if this is dumb ?, but I'm extremely new to ASP.net.   I've used
PHP and am now trying to figure out the best way (or any way) to do this in
ASP.net:
I have a page where the user enters data and clicks a submit button which

Is there a way in C# to pop up a message, message box without using
Javascript?
Basically I want to let the user know that something has been updated.
Thanks!

I am new to web development and asp.net. I have been assigned a task to
create a registration form using asp.net/c#. What my question is is does
anybody know where i can go to find a good tutorial or examples to help get
me started?

I want to load contents of a remote HTML file and to display it on the ASP
.NET Web Page. The remote HTML file is not under any virtual folder and the
content & location may vary for each operations.
How can I do the same?

In my webpage I want the hyperlinks to open inside the same webpage. (I don't
want to use frame pages.) I.e. open the hyperlink page in a table column.
Anyone knows how to do this?

Is there any way possible to change the border color and dropdown image arrow
color and style for an asp.net dropdownlist?

Hello, I am following along with an example of how to do uploads and download
from your application.
The download seems to wok just fine, but the upload does not.  Each time I
attempt to upload, I get  and exception with the error message being "{"Logon

I'm looking for an ASP.NET 2.0 sample ConnectionString  for my web.config
file that utilizes the IBM DB2 for iSeries .NET Provider ( prefix iDB2...)
I'm using VS2005 Beta 2. I've added reference to it to my project, however,
I can't find any reference of it when I try to create a ...

I am not able to reference values by using cross page postings when using
master page.
Currently I am runing on beta 2 of CLR.
Any ideas...

I am adding a statistics section to my administration area and I need to
get information from my web site visitors when session starts. I know
this is done in glabal.asax.
My question is: how to get information from the web site visitors?

I'm hoping to grab some 70,000 text files over http using the code
below. For the most part, the files are a few KB in size, and are
downloaded quickly. The code meets its Waterloo, however, with a rare
behemoth of 3 MB. I bumped up the Timeout property to 10 minutes (or, at

I am trying to identify a problem that has just been reported to our
team.  It seems that when a user opens 2 browsers, and with the second
browser, the user logs into our web application (ASP.NET), then the
session for that browser is not transferred to any new browsers that

I have a really newbie question... I developed an asp.net application. By
default, it was created here:
c:\inetpub\wwwroot\
Now, I wanted to create another application, completely independent. I

I'm at the "Hello World" stage of learning about web services (just to warn
you), and have what is I think a simple question.
I have created a basic HelloWorld.asmx, which has the following Web Method:
[WebMethod]