Purpose: Update method. This method will Update one existing row in the database.
[Visual Basic] Public Overrides Function Update() As Boolean
True if succeeded, otherwise an Exception is thrown.
Properties needed for this method: <UL> <LI>iDokumentNr</LI> <LI>iKeyValue. May be SqlInt32.Null</LI> <LI>iDokType. May be SqlInt32.Null</LI> <LI>iDokumenttypNr. May be SqlInt32.Null</LI> <LI>sBezeichnung. May be SqlString.Null</LI> <LI>sBeschreibung. May be SqlString.Null</LI> <LI>sFilename. May be SqlString.Null</LI> <LI>sOriginalFilename_incl_Path. May be SqlString.Null</LI> <LI>sVersion. May be SqlString.Null</LI> <LI>sVersionsNr. May be SqlString.Null</LI> <LI>daVersionsdatum. May be SqlDateTime.Null</LI> <LI>daErstellt_am. May be SqlDateTime.Null</LI> <LI>daMutiert_am. May be SqlDateTime.Null</LI> <LI>iMutierer. May be SqlInt32.Null</LI> <LI>bAktiv. May be SqlBoolean.Null</LI> <LI>iSecurityLevelNr. May be SqlInt32.Null</LI> <LI>blobDocImage. May be SqlBinary.Null</LI> </UL> Properties set after a succesful call of this method: <UL> <LI>iErrorCode</LI> </UL>
[Visual Basic] Overrides Public Function Update() As Boolean
Dim scmCmdToExecute As SqlCommand = New SqlCommand()
scmCmdToExecute.CommandText = "dbo.[pr_Dokument_Update]"
scmCmdToExecute.CommandType = CommandType.StoredProcedure
' // Use base class' connection object
scmCmdToExecute.Connection = m_scoMainConnection
Try
scmCmdToExecute.Parameters.Add(New SqlParameter("@iDokumentNr", SqlDbType.Int, 4, ParameterDirection.Input, False, 10, 0, "", DataRowVersion.Proposed, m_iDokumentNr))
scmCmdToExecute.Parameters.Add(New SqlParameter("@iKeyValue", SqlDbType.Int, 4, ParameterDirection.Input, True, 10, 0, "", DataRowVersion.Proposed, m_iKeyValue))
scmCmdToExecute.Parameters.Add(New SqlParameter("@iDokType", SqlDbType.Int, 4, ParameterDirection.Input, True, 10, 0, "", DataRowVersion.Proposed, m_iDokType))
scmCmdToExecute.Parameters.Add(New SqlParameter("@iDokumenttypNr", SqlDbType.Int, 4, ParameterDirection.Input, True, 10, 0, "", DataRowVersion.Proposed, m_iDokumenttypNr))
scmCmdToExecute.Parameters.Add(New SqlParameter("@sBezeichnung", SqlDbType.VarChar, 50, ParameterDirection.Input, True, 0, 0, "", DataRowVersion.Proposed, m_sBezeichnung))
scmCmdToExecute.Parameters.Add(New SqlParameter("@sBeschreibung", SqlDbType.VarChar, 50, ParameterDirection.Input, True, 0, 0, "", DataRowVersion.Proposed, m_sBeschreibung))
scmCmdToExecute.Parameters.Add(New SqlParameter("@sFilename", SqlDbType.VarChar, 255, ParameterDirection.Input, True, 0, 0, "", DataRowVersion.Proposed, m_sFilename))
scmCmdToExecute.Parameters.Add(New SqlParameter("@sOriginalFilename_incl_Path", SqlDbType.VarChar, 255, ParameterDirection.Input, True, 0, 0, "", DataRowVersion.Proposed, m_sOriginalFilename_incl_Path))
scmCmdToExecute.Parameters.Add(New SqlParameter("@sVersion", SqlDbType.VarChar, 50, ParameterDirection.Input, True, 0, 0, "", DataRowVersion.Proposed, m_sVersion))
scmCmdToExecute.Parameters.Add(New SqlParameter("@sVersionsNr", SqlDbType.VarChar, 50, ParameterDirection.Input, True, 0, 0, "", DataRowVersion.Proposed, m_sVersionsNr))
scmCmdToExecute.Parameters.Add(New SqlParameter("@daVersionsdatum", SqlDbType.DateTime, 8, ParameterDirection.Input, True, 0, 0, "", DataRowVersion.Proposed, m_daVersionsdatum))
scmCmdToExecute.Parameters.Add(New SqlParameter("@daErstellt_am", SqlDbType.DateTime, 8, ParameterDirection.Input, True, 0, 0, "", DataRowVersion.Proposed, m_daErstellt_am))
scmCmdToExecute.Parameters.Add(New SqlParameter("@daMutiert_am", SqlDbType.DateTime, 8, ParameterDirection.Input, True, 0, 0, "", DataRowVersion.Proposed, m_daMutiert_am))
scmCmdToExecute.Parameters.Add(New SqlParameter("@iMutierer", SqlDbType.Int, 4, ParameterDirection.Input, True, 10, 0, "", DataRowVersion.Proposed, m_iMutierer))
scmCmdToExecute.Parameters.Add(New SqlParameter("@bAktiv", SqlDbType.Bit, 1, ParameterDirection.Input, True, 0, 0, "", DataRowVersion.Proposed, m_bAktiv))
scmCmdToExecute.Parameters.Add(New SqlParameter("@iSecurityLevelNr", SqlDbType.Int, 4, ParameterDirection.Input, True, 10, 0, "", DataRowVersion.Proposed, m_iSecurityLevelNr))
Dim iLength As Integer = 0
If Not m_blobDocImage.IsNull Then
iLength = m_blobDocImage.Length
End If
scmCmdToExecute.Parameters.Add(New SqlParameter("@blobDocImage", SqlDbType.Image, iLength, ParameterDirection.Input, True, 0, 0, "", DataRowVersion.Proposed, m_blobDocImage))
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.
m_iRowsAffected = scmCmdToExecute.ExecuteNonQuery()
m_iErrorCode = New SqlInt32(CType(scmCmdToExecute.Parameters.Item("@iErrorCode").Value, SqlInt32))
If Not m_iErrorCode.Equals(New SqlInt32(LLBLError.AllOk)) Then
' // Throw error.
Throw New Exception("Stored Procedure 'pr_Dokument_Update' reported the ErrorCode: " & m_iErrorCode.ToString())
End If
Return True
Catch ex As Exception
' // some error occured. Bubble it to caller and encapsulate Exception object
Throw New Exception("clsDokument::Update::Error occured.", ex)
Finally
If m_bMainConnectionIsCreatedLocal Then
' // Close connection.
m_scoMainConnection.Close()
End If
scmCmdToExecute.Dispose()
End Try
End Function
Plattformen: Windows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition