template column checkbox problem in grid view

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I have the following on my page... a link button that will send the command
name "use" to the command handler and a grid view with the following columns

0 - Template column - just a checkbox (asp.net control)
1 - Bound column - DisplayName from data table

the checkbox is just a template i made by placeing an asp.net control into
the item template

when I check items on the grid then click the link and execute the following
code in it

Protected Sub ToolbarCommand(ByVal sender As Object, ByVal e As
System.Web.UI.WebControls.CommandEventArgs) Handles
lnkUseRecipients.Command, lnkCancel.Command

Select Case e.CommandName.Trim.ToCharArray



Case "USE"

For Each _gvRow As GridViewRow In Me.GridView1.Rows

' perform the selected command on all checked messages

If DirectCast(_gvRow.Cells(0).Controls(1), CheckBox).Checked Then

'do something here

End If

Next

end sub

when I run through it, all the items come back as unchecked... but the
strange thing... similar method on another page doing it the same way and it
comes back with items checked! why would one post back the checked items and
the other not? what should I look for? any suggestions on how to help?
thanks!


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