How do I get a class to persist from page to page?

I'm tring to modify an existing DB connection/query into a parameterized
one. But, in doing so, I get an error stating that I am not defining the
variable I am using in the query.
This is what I have:

I have a page that creates dynamic textboxes based on the number of
fields a user chooses to fill out. Basically, I am able to create the
controls via this method (with other details):
Dim txtbxTextBox as New Textbox()

I have an asp.net page with client side javascript.  In the script I can get
a control and read its properties by using
document.getElementById('txtDBName').  But if I try to set any of the
properties of this control it doesn't work; for example the code line

How would I do that?
Thanks

i have an excel file. i want to convert that excel file into csv(comma
separated values) file format.
can u give me some idea.
Thanks in advance ,

Is there a way to create a web service project that has a proper project
file (e.g. csproj), instead of having it be file based where whatever
happens to be in the directory magically becomes part of the project?
Thanks

I'm new to deploying ASP.NET applications. So got a few sample apps
like DotNetNuke and others and tried to run them on the webhost account
i have. But every time it gives the same error --
Runtime Error

I have an ASP .NET 2.0 web site with a MSSQL express 2005 database.
What is the normal procedure to host that web site and database at a
hosting site?
I am hosting it at dotnetmart, but cannot quite figure out what setup

the problem i'm having is that i can't get the Sql statement set to
search for Department or Last_Name%..

       <asp:SqlDataSource ID="SqlDataSource2" runat="server"

In order to customise rows on my gridview control, I've some code in the
RowDataBound event, that works on each row, altering it's attributes..
for example I have:
If gvResults.DataKeys.Item(e.Row.RowIndex).Values.Item(1).ToString() =

I've found a solution to this that I think I like, but I thought it wise to put
it out for all to see so people could punch holes in it as they wished. (Is
there a better way?)
I want a page in an Asp.Net site to be able to open/access a file that's on an

Does anyone know of an 'out of the box' forum software, similar to that of
vBulletin which is unedr PHP?
Thanks

I got a aspx which have several user controls on it. My question is that
what is the order of ASP.NET execute the page and user control ? does it
like this :
Page Init -> User Control Init -> Page Load -> User Control Load ?

I'm trying to deploy a asp.net app that I developed in Visual Studio 2003 on
an XP Professional machine. It runs fine on the development machine, but
when I try to run it locally on the server (i.e., http://myserver/myappdir.)
I get an error like this: