I use this simple code to get a Date and a Text from DateTimePicker and
TextBox as Multiline
into an ArrayList (utente.listaProblemasPassivos) and then show it in a
DataGridView (dgListaProblemasPassivos)
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Dim sData As String = LProb_DataPassivos.Value.ToShortDateString.toString
Dim sDesc As String = LProb_DescricaoPassivos.Text
utente.listaProblemasPassivos.Add(sData)
utente.listaProblemasPassivos.Add(sDesc)
dgListaProblemasPassivos.DataSource = Nothing
dgListaProblemasPassivos.DataSource = utente.listaProblemasPassivos
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And I alwys get this Error: "Object reference not set to an instance of an
object" in the first ADD line
I can't give a new instance to the utente.listaproblemaspassivos ArrayList
cause it's an ArrayList from my own Class and it could have values when it
gets here, and I can't erase them....
It's kind of a session variable, always the same (with add item and erase
item) until the user save the work.
--
Bruno Alexandre
(Sintra, PORTUGAL)