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Visual Basic
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Overrides Public Function SelectOne() As DataTable Dim scmCmdToExecute As SqlCommand = New SqlCommand() scmCmdToExecute.CommandText = "dbo.[pr_Journaleintrag_SelectOne]" scmCmdToExecute.CommandType = CommandType.StoredProcedure Dim dtToReturn As DataTable = new DataTable("Journaleintrag") Dim sdaAdapter As SqlDataAdapter = new SqlDataAdapter(scmCmdToExecute) ' // Use base class' connection object scmCmdToExecute.Connection = m_scoMainConnection Try scmCmdToExecute.Parameters.Add(new SqlParameter("@ijournaleintragnr", SqlDbType.Int, 4, ParameterDirection.Input, False, 10, 0, "", DataRowVersion.Proposed, m_iJournaleintragnr)) scmCmdToExecute.Parameters.Add(new SqlParameter("@iErrorCode", SqlDbType.Int, 4, ParameterDirection.Output, True, 10, 0, "", DataRowVersion.Proposed, m_iErrorCode)) If m_bMainConnectionIsCreatedLocal Then ' // Open connection. m_scoMainConnection.Open() Else If m_cpMainConnectionProvider.bIsTransactionPending Then scmCmdToExecute.Transaction = m_cpMainConnectionProvider.stCurrentTransaction End If End If ' // Execute query. sdaAdapter.Fill(dtToReturn) m_iErrorCode = scmCmdToExecute.Parameters.Item("@iErrorCode").Value If Not m_iErrorCode.Equals(New SqlInt32(LLBLError.AllOk)) Then ' // Throw error. Throw New Exception("Stored Procedure 'pr_Journaleintrag_SelectOne' reported the ErrorCode: " & m_iErrorCode.ToString()) End If If dtToReturn.Rows.Count > 0 Then m_iJournaleintragnr = New SqlInt32(CType(dtToReturn.Rows(0)("journaleintragnr"), Integer)) If dtToReturn.Rows(0)("journalnr") Is System.DBNull.Value Then m_iJournalnr = SqlInt32.Null Else m_iJournalnr = New SqlInt32(CType(dtToReturn.Rows(0)("journalnr"), Integer)) End If If dtToReturn.Rows(0)("eintrag") Is System.DBNull.Value Then m_sEintrag = SqlString.Null Else m_sEintrag = New SqlString(CType(dtToReturn.Rows(0)("eintrag"), String)) End If If dtToReturn.Rows(0)("datumzeit") Is System.DBNull.Value Then m_daDatumzeit = SqlDateTime.Null Else m_daDatumzeit = New SqlDateTime(CType(dtToReturn.Rows(0)("datumzeit"), Date)) End If End If Return dtToReturn Catch ex As Exception ' // some error occured. Bubble it to caller and encapsulate Exception object Throw New Exception("clsJournaleintrag::SelectOne::Error occured.", ex) Finally If m_bMainConnectionIsCreatedLocal Then ' // Close connection. m_scoMainConnection.Close() End If scmCmdToExecute.Dispose() sdaAdapter.Dispose() End Try End Function
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