I have a strongly-typed dataset containing a table that contains a field
that is nullable. I can fill this table without a problem. However, when
accessing the nullable field such as:
String something = MyStronglyTypedDS.SomeTable[

If I add a shared/static read only property to the Global class of
global.asax, do I need to implement thread locking like the
Application object does?
There are two ways I want to do things, Initialize a private variable

What is the connection string for a System.Data.OleDb.OleDBConnection for
Paradox 10?
I am trying to use the same connection object and switch between Paradox 10
and MS Access 2000.

I have a question:
I need to add a calculated column to my datatable. I cannot use the
expression property of column as I have to perform some check on data of
each record before deciding what expression I have to apply.

I am a newbie in .NET and Visual Studio, I come from the Java
environment. I am developing my first .NET app and have found a big
stopper, I hope you can help me out of it.
I have defined an MS Access database with a test table (MS Access 2002

We are currently developping a system that has to work with both Oracle and
SQL Server. So far we've built a small library to help us connect to SQL
Server and Oracle using the IDb* interfaces instead of using each provider
specific classes. It works well.

I understand that Oracle Drivers come as part of the VS.Net 2003.  I do not
have VS.Net 2003, I have the 2002 version. I have the Framework 1.1, but
when I type System.Data I do not see anything which looks like Oracle.
So where can I find Oracle drivers for .NET?

Hi all, please help me!
New to OLEDB in ASP.net, converting from SQL to OLEDB.
Below is a code snippet that executes under a connection that is known to be OK, since I can read the database using it OK.
I have highlighted the code for easier reading. Thanks in advance for any help!

Pls,
how can i convert a dataset into a XML string. I don't want to save the XML
on disk, just get the xml string directly in memory.
tks in adv.

Can someone please post an example of a connection string for a SQL DSN
connection for VB asp.net -
I currently have :
"DSN=<dsnname>;uid=<username>;pwd=<password>;network=<networkname>"

I have created a stored procedure on SQL Server 2000 that I know
works.  I then dragged the sqldataadapter control onto my form, and
connected to an existing stored procedure.  My datasets and sqlcommand
objects were created for me by the designer.

I want to be able to persist a dataset over multiple page request and
different pages.  What is the difference between using Cache and Session to
do this?

I have written an application in C# that runs as a service to connect to an Access database that resides on a mapped drive. I have Read, Write, Create and Modify permission on the folder
I am using the System.Data.OleDb namespace with the following connection string
In an xml file ...

I am trying to get a C_Value for three different providers from one table
using parameter queries to specify the providers.  Instead of making
multiple data adapters for this I am trying to resue the adapters,
datasources, etc.

Hi ADO Guru,
I have a problem when I use OleDbDataAdapter and try to generate DataSet for
Oracle. It is extremely slow.
my environmnet: