Radgrid NeedDataSource UpdateCommand

[iReplicate]

I load a radgrid from a system.web.security.MembershipUserCollection.
 

 Protected Sub RadGrid1_NeedDataSource(ByVal source As Object, ByVal e As Telerik.Web.UI.GridNeedDataSourceEventArgs) Handles RadGrid1.NeedDataSource
       Dim mc As MembershipUserCollection
        mc = Membership.GetAllUsers
        RadGrid1.DataSource = mc
End Sub

This works fine. When i edit a row i get event Radgrid_UpdateCommand .
I need the dataitem for the row which should be the of type MemberShipUser
so i can update it using Membership.UpdateUser( dataitem)

The e.item.dataitem is nothing.

The grid also does not show the update after the UpdateCommand is done.

Any ideas on how I can do this?

[Nikolay Rusev]

Hello iReplicate,

DataItem has meaning only in the context of ItemDataBound event. If you are performing manual update operation you should use one of the following approaches demonstrated bellow:

http://demos.telerik.com/aspnet-ajax/grid/examples/dataediting/extractvalues/defaultcs.aspx
http://www.telerik.com/help/aspnet-ajax/grdinsertupdatedeleteatdatabaselevel.html

Regards,
Nikolay
the Telerik team

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[iReplicate]

Thanks Nikolay
The first link was most helpfull.
The key was the line of code that returned the PK value.
FYI Membership is from Membership and Roles
Here's what worked if anyone is interested

 Protected Sub RadGrid1_UpdateCommand(ByVal source As Object, ByVal e As Telerik.Web.UI.GridCommandEventArgs) Handles RadGrid1.UpdateCommand
        Dim mu As MembershipUser
        Dim g As Telerik.Web.UI.GridEditableItem
        Dim newvalues As New Hashtable
        Dim UserName As String

        g = CType(e.Item, Telerik.Web.UI.GridEditableItem)
        UserName = g.OwnerTableView.DataKeyValues(e.Item.ItemIndex)("UserName")
        mu = Membership.GetUser(UserName)
        e.Item.OwnerTableView.ExtractValuesFromItem(newvalues, g)

        g.UpdateValues(e.Item)

        mu.Email = newvalues.Item("Email").ToString
        mu.Comment = newvalues.Item("Comment").ToString
        mu.IsApproved = newvalues.Item("IsApproved")
        Membership.UpdateUser(mu)