I have a problem using with dbf file here. I have tried the code below using
VB.NET with no errors. However, I use the exact same code in ASP NET, it
prompt me error when I tried to insert a record.
The error Detail :

This question is in relation to a System.Web.UI.DataGrid
If I bind some data to a grid, then in a subsequent postback bind to it
again, does the grid intrincially clear its contents before adding the new
information.

I have some controls on my form which are bound to a dataset and some which
are not bound.
But whatever record is displayed on the form, I want to populate those
control (datetime, combo, etc.) with the data in the current record.

I am creating a login screen wherein only certain users are granted
permission. The names of those users,are copied into a dataset using
dataadapter.Then the dataview is used.
But the problem here is that the "Dv.Count" always evaluates ..to 0. Hence

I have a some-what simple app for importing data from excel to our database.
The app is written in C# and uses ado.net.
When I open the xls file, it displays in a grid to show the values.
The problem is values are formatted differently depending on the machine.

I'm encountering a strange phenomenon whereby a DataSet object is not
releasing its memory when it's being disposed and/or set to Nothing.
It is part of a Windows service written in VB.NET which fetches data out of
a mySQL database, interrogates each row individually and takes ...

I need your HELP!
I've seen all the posts on using Crystal Reports within vs.net (vb.net)
and changing a SQL query at runtime. When I tried to pass in a dataset
into the crystal report at runtime, the report still showed the results

I am pretty new to .NET, so can someone tell me why this doesn't work?
It does not throw any exception but it doesn't update the record in the
table either.  All variables are populated correctly and the record
DOES exist!

I have a typed DataSet that contains 4 tables.  I have mapped a data adapter
to all of the tables in the DataSet.  The select command for the data
adapter has a multiple join on all four tables in the typed DataSet.  When I
try to do the Fill command, I get an ...

So I created a MS DL that I know works.  I can test the connection.
    Provider=SQLOLEDB;Password=xxx;Persist Security Info=True;User
ID=xxx;Initial Catalog=olite3i;Data Source=niktraining
However, when I try to use this string in my code, I don't even get the

How do I manage empty string to null?
Do I have to code like following?
if(txtBoxFirstName.text == "")
 cmd.Parameters.Add("@FirstName",DBNull.Value):

I am trying to use the Adaptive Server Enterprise ADO.NET Data
Provider 1.1 for Sybase.  I am connecting to a ASE 12.0 DB.  My Web
App is running on a Windows 2003 Server.  I installed the ASE provider
into the GAC.  When I run my Web App I get the following error

I was going to start a project in VB.net using ADO.net to a FoxPro database.
Foxpro has a RLOCK function that allows you to lock a record while you are
editing it.  How can I achieve this with ADO.net??

Is the following code a valid way of passing a DataReader object back to
calling code?  I'm specifically concerned with the objConn object be
explicitly set to Nothing.  Does this cause the connection object to be
garbage collected or does the connection object not get destroyed ...

I have created and tested a stored procedure with some input values and one
output value. When I run it the page seems to come up but no data exists,
and no errors. This is odd because there if definitely info ont he
table/datbase. My code is below if anyone can see what I might be ...