listbox and multiple selection

A

Ant

I would like to get from a database several items and selected them in
a listbox but only selects one. Here is my code.

<asp:listbox id="lbTipoProy" runat="server" Width="152px"
CssClass="caja" Enabled="False"
SelectionMode="Multiple"></asp:listbox>

Dim drFilaTProy As DataRow
TTipoProyProgramas.fTTipoProyProgramasSEL(txtCodNombre.Text.Trim)
If Not TTipoProyProgramas.FilasResultados Is Nothing
Then
For Each drFilaTProy In
TTipoProyProgramas.FilasResultados
Dim TTipoProyPrograma As New TTipoProyPrograma
TTipoProyPrograma.IDProyecto =
drFilaTProy.Item("IDTipoProyecto")
item = New
ListItem(TTipoProyPrograma.IDProyecto)
lbTipoProy.SelectedIndex =
lbTipoProy.Items.IndexOf(item)
Next
End If
 

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