Get all selected items from asp.net ListBox

Question

Anyone know of a smooth way to get all of the selected items in a listbox control by using extension methods?

And, please, spare me the argument of

Answer 1

Hello i've created one solution for this problem in this post using VB.NET:

Getting all selected values from an ASP ListBox

This code below is the same as the link above:

Public Shared Function getSelectedValuesFromListBox(ByVal objListBox As ListBox) As String
Dim listOfIndices As List(Of Integer) = objListBox.GetSelectedIndices().ToList()
Dim values As String = String.Empty

For Each indice As Integer In listOfIndices
    values &= "," & objListBox.Items(indice).Value
Next indice
If Not String.IsNullOrEmpty(values) Then
    values = values.Substring(1)
End If
Return values
End Function

I hope it helps.