I am getting this ORA-01008: Not all variables bound error when trying to
update an Oracle table from a datagrid using VB.NET.
'Code to load Datagrid---------
Private Sub TransactionDetail_Load(ByVal sender As System.Object, ByVal e As

I'm trying to bind a TrackBar to an entity object of mine:
myBar.DataBindings.Add( "Value", imgConvData, "Quality" );
It seems simple enough, and the TrackBar does indeed pick up the value of
"Quality" when the DataBinding is first set. Unfortunately, changing the

Hello group...
I've created a collection class that implements the following interfaces: IBindingList, IList, ICollection, IEnumerable and ITypedList:
abstract class DataCollectionBase : IBindingList, IList, ICollection, IEnumerable, ITypedList
{

I want to have an action happen when the user double clicks on a cell.
Theonly way I have managed to get this to work is put the code in the grid's
double click event, click in the cell - then double click the row.  Or if I
click in the area of the cell that

I have a textbox bound to a custom object property that accepts only
positive percentages as values.  I use a regular expression in the
'Validating' event to check the entered data.  The regex is written such
that the user can enter 0.25 or 25% and the result will be the same.  It

I am writing a front end for an existing Access database (which i dont
really want to change if i can help it) in VB.NET.
For simplicity, i am databinding all controls on the screen using an
untyped dataset.

well, what's the difference between BindingManagerBase and
CurrencyManager?Instead of
BindingManagerBase I have tried to use a currencymanager in my code, but the
result is still far from my expectation.

I am binding an arraylist of objects (class Invoice) This works fine and
binds all the public properties to the datagrid.
However, I only want to show *some* properties e.g. No, Detail and
TotalValue -- not all the public props.

A typical scenario in many applications is to be able to be able to select
one or more objects in a list and then be able to edit one or more
properties of those objects at the same time.
Example: You have a list in one side of the dialog, bound to a datatable,

My DataGrid shows a table 'Orders' which has a foreign key column
'CustomerID'. Instead of displaying the CustomerID I want to display the
customer name.
I accomplished this by creating a 'CustomerNameColumn' which inherits from

I know this is most probably a regular question but after searching and
searching and purchasing over 5 books, i still have not found a simple
sample. If someone could please oblidge i would really apreciate it.
If the sample could do/have the following

 I have tow problems when I am writing a win-form program.
The First is:
On a form, I place two textboxes, two buttons and a dataGrid.
Then I bind them to a dataView like this:

This is the first program I've tried to write in vb so I'll apologize
in advance for my terrible code.  :)
I've got a form with a tab control on it.  I'm working on the first
tab, binding data to controls in it.  So far I load data, the

I have a collection that inherits from collectonbase, implements
IBindingList. and is serlizable.
I am binding the collection to a Datagrid using a tablestyle to limit the
data the datagrid displays. I can bind to the collection successfully.

I've reduced my problem to the following code snipped (using the Northwinds
database). It's in VB.NET with a single form containing a single combo box
and some other control that can receive focus. Place the code in the form's
Load event: