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Kindly assist to correct below codes
Carlos kambui
Aug 20 2017 10:10 AM
252
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i want to group after selecting
For Each row As LabtransType In svcClient.GetLabtrans(MdlConn.checkDB, " ").GroupBy(Function(x) x.result_ref).ToList()
TvWaiter.Nodes(0).Nodes.Add(New TreeNode(row.result_ref))
Next
i got this error
Additional information: Unable to cast object of type 'Grouping[System.String,Hospital_dbms.LabtransType]' to type 'Hospital_dbms.LabtransType'.
kindly any one with idea assist please
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