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multiple listbox selections

Duray, it helps in regards to knowing how to get the items
that were selected in the lisbox, but I'm going in
reverse --- after I get the items from the db that were
selected, I'd like to be able to highlight them in the
listbox within the datagrid control........ .


-----Original Message-----
Hi Bill,

If you are talking about:
System.Objec t
System.Web.UI.C ontrol
System.Web.UI.W ebControls.WebC ontrol
System.Web.UI.W ebControls.List Control
System.Web.UI.W ebControls.List Box
ther is mo way to get the selected items without iterating.
Lets say you have ListBox1

foreach (ListItem li in myListBox.Items )
// put the code for selected Item
In VS.NET2003 help:
help://MS.VSCC.2003/MS.MSDNQTR.2003 FEB.1033/cpref/html/frl rfsystemwebuiwe bcontrolslistbo xclassselection modetopic.htm

Hope It Helps

Duray AKAR

I have a piece of static code somewhere that gives the
selected items for any given
System.Web.UI.W ebControls.Chec kBoxList
System.Web.UI.W ebControls.Drop DownList
System.Web.UI.W ebControls.List Box
System.Web.UI.W ebControls.Radi oButtonList
controls... Ask if you need something like that

-----Original Message-----
I have a listbox in a datagrid that can contain up to twoselections. How can I return the selected indexes of the
two values? I know how to do it for a listbox that has a
selectionmo de of "single", but not for multiple.

Here is my HTML:
<asp:Template Column HeaderText="Rid ers">

<ItemTemplate >

<asp:listbox AutoPostBack="F alse"
BackColor="#f fffff" id="lstRider" runat="server" Rows="1"DataSource="< %# DsRider1 %>" Enabled="True"
SelectionMode ="Multiple" DataTextField=" UserName"
DataValueFiel d="UserName" SelectedIndex=' <%#
GetRiderUserN ame() %>' />



</asp:TemplateCol umn>
I'm executing a function "GetRiderUserNa me" in my code-
behind to return the selected indices, but don't quite
know how to do it. This is as far as I've got:

Public Function GetRiderUserNam e() As Integer

'Returns the index of the username
Dim i As Integer
Dim blnFound As Boolean = False
Dim bytFoundCnt As Byte = 0

For i = 0 To

DsCalDteRider1 .CalDteRiders.R ows.Count
If DsCalDteRider1. CalDteRiders.It em
(i).Usernam e = DsRider1.Riders .Item(i).Userna me Then
blnFound = True
If bytFoundCnt = 2 Then 'Max selections
Exit For
End If
blnFound = False
End If

If blnFound Then
Return DsRider1.Riders .Item(i).RowNbr
Return -1
End If

End Function

How can I turn "Return DsRider1.Riders .Item(i).RowNbr "
into the selected indexes of a possible two selections?




Nov 17 '05 #1
0 2055

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