Liaison to Oracle worked in 10g but not with 11g

The code fails to: cmd1. ExecuteNonQuery())
Registrant:
Impossible to persist distributors to the database. -Problem try inserting the p_DistributorID. - 'OracleDecimal' of type 'Integer' type conversion is not valid.
I tried to change the arrIntsParameter (which is the array of integers I want to insert) in an array of decimal numbers, but I still have the same problem.

Is there another way to do it now? How is it stopped working? The only thing that has changed is the server started using an oracle 11 g driver. The application has not changed.
I may have to join the array of integers and comma delimit them... There could be 20,000 of them - each 5 digits.

Private Function InsertRow(ByVal identifierConstant As String, ByVal strFuncName As String, ByVal strCmdText As String, _
                               ByVal p_strIDParameterName As String, ByVal arrIntsParameter As ArrayList) As Int32
        Dim cmd1 As Oracle.DataAccess.Client.OracleCommand = Nothing
        Dim dbConn As Oracle.DataAccess.Client.OracleConnection = Nothing
        Dim intReturn As Int32
        Dim count As Int32
        Try
            count = arrIntsParameter.Count
            dbConn = DBConnection.GetOracleConnection ' (strFuncName, strCmdText, , count) 

            dbConn.Open()

            ' create a command
            cmd1 = dbConn.CreateCommand
            cmd1.CommandType = CommandType.StoredProcedure
            cmd1.CommandText = strCmdText

            ' To use ArrayBinding, set ArrayBindCount 
            cmd1.ArrayBindCount = count

            Dim ParameterIDs As Integer() = CType(arrIntsParameter.ToArray(GetType(Int32)), Int32())
            Dim identifierConstant s As String() = New String(count - 1) {}
            Dim results As Int32() = New Int32(count - 1) {}

            For i As Integer = 0 To count - 1
                results(i) = 1
                identifierConstants(i) = identifierConstant
            Next

            Dim p_ParameterIDs As New Oracle.DataAccess.Client.OracleParameter(p_strIDParameterName, OracleDbType.Int32)
            p_ParameterIDs.Direction = ParameterDirection.Input
            ' Instead of single values, we pass arrays of values as parameters 
            p_ParameterIDs.Value = ParameterIDs
            cmd1.Parameters.Add(p_ParameterIDs)

            Dim p_identifierConstants As New Oracle.DataAccess.Client.OracleParameter("p_identifierConstant", OracleDbType.Varchar2)
            p_identifierConstants.Direction = ParameterDirection.Input
            ' Instead of single values, we pass arrays of values as parameters 
            p_identifierConstants.Value = identifierConstants
            cmd1.Parameters.Add(p_identifierConstants)

            'Dim p_ReturnValue As New Oracle.DataAccess.Client.OracleParameter("p_ReturnValue", results)
            Dim p_ReturnValue As New Oracle.DataAccess.Client.OracleParameter("p_ReturnValue", OracleDbType.Int32)
            p_ReturnValue.Direction = ParameterDirection.Output
            cmd1.Parameters.Add(p_ReturnValue)

            cmd1.ExecuteNonQuery()

            'p_ReturnValue contains all the success/fail results
            Dim rv As Array = CType(p_ReturnValue.Value, Array)

            For i As Int32 = 0 To rv.Length - 1
                If CInt(rv(i)) <> 1 Then Throw New Exception("One of the return Values from insert row failed.  Perhaps a duplicate entry occured")
            Next
            intReturn = 1

        Catch ex As Exception
            Throw New Exception("Problem trying to insert " & p_strIDParameterName & " . - " & ex.Message)
        Finally
            dbConn.Close()
        End Try

        Return intReturn
    End Function

Published by: Sniipe on July 11, 2012 16:43

I think you have a problem with your p_ReturnValue (ParameterDirection.Output).
Since ODP 11 you must set the OracleDbTypeEx property to wait for him. Type of net worth.
Change your code to:

Dim p_ReturnValue As New Oracle.DataAccess.Client.OracleParameter ("p_ReturnValue", OracleDbType.Int32)
p_ReturnValue.Direction = ParameterDirection.Output
p_ReturnValue.OracleDbTypeEx = OracleDbType.Int32
CMD1. Parameters.Add (p_ReturnValue)

CMD1. ExecuteNonQuery())

And try again.

For more information, read the following blog:
http://oradim.blogspot.de/2009/08/odpnet-VB-and-from-type-to-type-is-not.html

Kind regards

Tags: Database

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