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How to access the data in a detailsView-- ASP.NET 2.0


I have a webpage which has a detailsView control with no paging. On the page's button click event, I need to access one data field to make a desicion.
I have the this detailsView bind to objectDatasource which comes from a dataset called dsRequest.
Here is my code, but I got a "object not set to instance" error which almost drove me crazy. Please help me out. Thanks a lot.


Dim shipmentID As DateTime
Dim request As dsRequest.REQUESTRow
'Got 'object not set to instance' error on the following line
request = CType(CType(requestDetailsView.DataItem, System.Data.DataRowView).Row, dsRequest.REQUESTRow)
If Not request.IsShipmentIDNull() Then
shipmentID = Now()
shipmentID = request.ShipmentID
End If
Session("shipmentID") = shipmentID

I know I can query the database to get this field value out, but is there another way besides that?

May 23 '07 #1
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