Windows Forms Programming in Visual Basic .NET

Data Binding

In WinForms development, there often comes a time when you need to populate a number of controls with data from a database or other data source. Recall our example from Chapter 12: Data Sets and Designer Support, which used a data set populated from a database. Whenever the data set was changed, such as when the user added a row or deleted a row, we had to repopulate the list boxes so that the display was kept in sync with the data:

Sub addRowMenuItem_Click(sender As Object, e As EventArgs)
  ' Add a new typed row
  Dim row As CustomerSet.CustomersRow = _
      Me.customerSet1.Customers.NewCustomersRow()
  row.CustomerID = "SELLSB"
  ...
  Me.customerSet1.Customers.AddCustomersRow(row)

  ' Update list box
  PopulateListBox()
End Sub

Writing code to ...