Collapse Group throws 'Specified argument was out of the range of valid values.'

[Phil H.]

Hi

I am using the example code Collapse group and it throws an ArgumentOutOfRageExceptiopn (Specified argument was out of the range of valid values).  I believe it is the Controls(0).  My Grouping is static, defined in Asp code.  It works with out this code.  I have Telerik Asp.Net AJAX 2008 3 1105 dll's.

Partial Class Dispatcher_MismatchedReport
    Inherits System.Web.UI.Page
    '
    Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
        If (Not (IsPostBack)) Then
            CollapseAll()
        End If
    End Sub ' Page_Load
    '
    Private Sub CollapseAll()
        Dim item As GridItem
        For Each item In RadGrid1.MasterTableView.Controls(0).Controls
            If TypeOf item Is GridGroupHeaderItem Then
                item.Expanded = False
            End If
        Next item
    End Sub ' CollapseAll
    '
End Class

 

 

[Phil]

Well, a little egg on my face,... you can not collapse what does not exist...  Do it in the Pre_Render not Page_Init.