I'm sure others have asked this before, now its my turn!
Combo box with "DropDownStyle" is set as "DropDownList"
Once a user selects a value, how can they select null again ?
Or if there are 4 combo boxes on the form, once someone selects the first

    I'm building an App that has a large query. I get
"System.Data.SqlClient.SqlException: Timeout expired". I know I can fix this
by increasing the CommandTimeout property of SqlCommand instance. However, I
use the Microsoft Data Application Block v2, and this requires me to modify ...

1. I am trying to list the SQL servers installed on a machine...using .NET.
Is it posible to do this? Are the any magic class in .Net designed for such
a job?
Please help.

I am playing with an ASP.NET Web App and an Access Database.  In my code, I
am trying to open a connection called cnTest.  I created it by dragging it
onto my app and setting the connection string.  I am trying to open the
connection before I create a data reader.  I receive ...

I have form that executes heavy Stored Procedure on sql 2000.
I want to add STOP button, to cancel the process.
I try to abort the thread. But this action not stops the process
Immediately. It?s take a long time until query cancel.

I need a solution for this in SQL Server, or in VB.NET, so for this reason I
posted it to the 2 newsgroups.
I need to build an SQL String from a given record.
For exemple: I have in my table tblMyCows this record:

Please,
i would like to know if there's a good idea use NHibernate
(http://nhibernate.sourceforge.net/) at my programs besides native data tier
of .NET.

A couple questions on ADO.Net.
a) Is the functionality of the ADOX.Catalog.Create() method available
in System.Data.OldDB anywhere?
b) When creating a database using DDL against Jet 4.0, I encounter a

Hope someone can help me
The SQL string i need to use does not work, Who can help me....
Thanks in advance
       Dim strConn As String

"the connection could not be opened because of the folowing errors: format
of the initialization string does not conform to the OLEDB specification"
Trying to create an ole connection and data adaptor by dragging a table onto
a form; I see that some tables will work , and other give ...

Hi, all.
Based on my experience with the .Net platform, and after reading numerous
tomes about it, I have come to the following conclusion (for right or
wrong):

       I want to design a data class model that it can return the record
according to the table name and the primary column parameters value.
Assuming that there's only one primary column, is it possible to do so??
Thanks

I have written a program that saves a date and time field as:
4/22/2005 6:30:00 PM
I want the user to click a date in a calendar control, and then populate a
data grid with the data for only the date the user clicked.  I don't care

C# on Vs 2003 after filling the dataGrid with ADO.Net
When scrolling the mouse over the list with the wheel, the focus is lost and
going to near by control (button / textBox whatever)
Is there any reasonable explanation?

I'm trying to import data from csv file into a sql table. this is how i read
the information from the file:
=============
Private Sub import_oledb()