コード例 #1
0
        static private DataTable SaveDynamicCollection_Deletes(esDataRequest request)
        {
            EfzCommand cmd = null;

            DataTable dataTable = CreateDataTable(request);

            using (esTransactionScope scope = new esTransactionScope())
            {
                using (EfzDataAdapter da = new EfzDataAdapter())
                {
                    da.AcceptChangesDuringUpdate = false;
                    da.ContinueUpdateOnError = request.ContinueUpdateOnError;

                    try
                    {
                        cmd = da.DeleteCommand = Shared.BuildDynamicDeleteCommand(request, request.CollectionSavePacket[0].ModifiedColumns);
                        esTransactionScope.Enlist(cmd, request.ConnectionString, CreateIDbConnectionDelegate);

                        DataRow[] singleRow = new DataRow[1];

                        // Delete each record
                        foreach (esEntitySavePacket packet in request.CollectionSavePacket)
                        {
                            DataRow row = dataTable.NewRow();
                            dataTable.Rows.Add(row);

                            SetOriginalValues(request, packet, row, true);
                            row.AcceptChanges();
                            row.Delete();

                            singleRow[0] = row;

                            #region Profiling
                            if (sTraceHandler != null)
                            {
                                using (esTraceArguments esTrace = new esTraceArguments(request, cmd, packet, "SaveCollectionDynamic", System.Environment.StackTrace))
                                {
                                    try
                                    {
                                        da.Update(singleRow);
                                    }
                                    catch (Exception ex)
                                    {
                                        esTrace.Exception = ex.Message;
                                        throw;
                                    }
                                }
                            }
                            else
                            #endregion
                            {
                                da.Update(singleRow);
                            }

                            if (row.HasErrors)
                            {
                                request.FireOnError(packet, row.RowError);
                            }

                            dataTable.Rows.Clear(); // ADO.NET won't let us reuse the same DataRow
                        }
                    }
                    finally
                    {
                        esTransactionScope.DeEnlist(cmd);
                        cmd.Dispose();
                    }
                }

                scope.Complete();
            }

            return request.Table;
        }
コード例 #2
0
        static private DataTable SaveDynamicEntity(esDataRequest request)
        {
            bool needToDelete = request.EntitySavePacket.RowState == esDataRowState.Deleted;

            DataTable dataTable = CreateDataTable(request);

            using (EfzDataAdapter da = new EfzDataAdapter())
            {
                da.AcceptChangesDuringUpdate = false;

                DataRow row = dataTable.NewRow();
                dataTable.Rows.Add(row);

                EfzCommand cmd = null;

                switch (request.EntitySavePacket.RowState)
                {
                    case esDataRowState.Added:
                        cmd = da.InsertCommand = Shared.BuildDynamicInsertCommand(request, request.EntitySavePacket.ModifiedColumns);
                        SetModifiedValues(request, request.EntitySavePacket, row);
                        break;

                    case esDataRowState.Modified:
                        cmd = da.UpdateCommand = Shared.BuildDynamicUpdateCommand(request, request.EntitySavePacket.ModifiedColumns);
                        SetOriginalValues(request, request.EntitySavePacket, row, false);
                        SetModifiedValues(request, request.EntitySavePacket, row);
                        row.AcceptChanges();
                        row.SetModified();
                        break;

                    case esDataRowState.Deleted:
                        cmd = da.DeleteCommand = Shared.BuildDynamicDeleteCommand(request, null);
                        SetOriginalValues(request, request.EntitySavePacket, row, true);
                        row.AcceptChanges();
                        row.Delete();
                        break;
                }

                if (!needToDelete && request.Properties != null)
                {
                    request.Properties["esDataRequest"] = request;
                    request.Properties["esEntityData"] = request.EntitySavePacket;
                    dataTable.ExtendedProperties["props"] = request.Properties;
                }

                DataRow[] singleRow = new DataRow[1];
                singleRow[0] = row;

                try
                {
                    if (!request.IgnoreComputedColumns)
                    {
                        da.RowUpdated += new EventHandler<System.Data.Common.RowUpdatedEventArgs>(OnRowUpdated);
                    }

                    esTransactionScope.Enlist(cmd, request.ConnectionString, CreateIDbConnectionDelegate);

                    #region Profiling
                    if (sTraceHandler != null)
                    {
                        using (esTraceArguments esTrace = new esTraceArguments(request, cmd, request.EntitySavePacket, "SaveEntityDynamic", System.Environment.StackTrace))
                        {
                            try
                            {
                                da.Update(singleRow);
                            }
                            catch (Exception ex)
                            {
                                esTrace.Exception = ex.Message;
                                throw;
                            }
                        }
                    }
                    else
                    #endregion
                    {
                        da.Update(singleRow);
                    }
                }
                finally
                {
                    esTransactionScope.DeEnlist(cmd);
                }

                if (request.EntitySavePacket.RowState != esDataRowState.Deleted && cmd.Parameters != null)
                {
                    foreach (EfzParameter param in cmd.Parameters)
                    {
                        switch (param.Direction)
                        {
                            case ParameterDirection.Output:
                            case ParameterDirection.InputOutput:

                                request.EntitySavePacket.CurrentValues[param.SourceColumn] = param.Value;
                                break;
                        }
                    }
                }

                cmd.Dispose();
            }

            return dataTable;
        }
コード例 #3
0
        static private DataTable SaveStoredProcCollection(esDataRequest request)
        {
            bool needToInsert = false;
            bool needToUpdate = false;
            bool needToDelete = false;

            Dictionary<DataRow, esEntitySavePacket> rowMapping = null;

            if (request.ContinueUpdateOnError)
            {
                rowMapping = new Dictionary<DataRow, esEntitySavePacket>();
            }

            //================================================
            // Create the DataTable ...
            //================================================
            DataTable dataTable = CreateDataTable(request);

            foreach (esEntitySavePacket packet in request.CollectionSavePacket)
            {
                DataRow row = dataTable.NewRow();

                switch (request.EntitySavePacket.RowState)
                {
                    case esDataRowState.Added:
                        SetModifiedValues(request, packet, row);
                        dataTable.Rows.Add(row);
                        if (request.ContinueUpdateOnError) rowMapping[row] = packet;
                        break;

                    case esDataRowState.Modified:
                        SetOriginalValues(request, packet, row, false);
                        SetModifiedValues(request, packet, row);
                        dataTable.Rows.Add(row);
                        row.AcceptChanges();
                        row.SetModified();
                        if (request.ContinueUpdateOnError) rowMapping[row] = packet;
                        break;

                    case esDataRowState.Deleted:
                        SetOriginalValues(request, packet, row, true);
                        dataTable.Rows.Add(row);
                        row.AcceptChanges();
                        row.Delete();
                        if (request.ContinueUpdateOnError) rowMapping[row] = packet;
                        break;
                }
            }

            if (Shared.HasUpdates(dataTable.Rows, out needToInsert, out needToUpdate, out needToDelete))
            {
                using (EfzDataAdapter da = new EfzDataAdapter())
                {
                    EfzCommand cmd = null;
                    da.AcceptChangesDuringUpdate = false;

                    if (needToInsert) da.InsertCommand = cmd = Shared.BuildStoredProcInsertCommand(request);
                    if (needToUpdate) da.UpdateCommand = cmd = Shared.BuildStoredProcUpdateCommand(request);
                    if (needToDelete) da.DeleteCommand = cmd = Shared.BuildStoredProcDeleteCommand(request);

                    using (esTransactionScope scope = new esTransactionScope())
                    {
                        if (needToInsert) esTransactionScope.Enlist(da.InsertCommand, request.ConnectionString, CreateIDbConnectionDelegate);
                        if (needToUpdate) esTransactionScope.Enlist(da.UpdateCommand, request.ConnectionString, CreateIDbConnectionDelegate);
                        if (needToDelete) esTransactionScope.Enlist(da.DeleteCommand, request.ConnectionString, CreateIDbConnectionDelegate);

                        try
                        {
                            #region Profiling
                            if (sTraceHandler != null)
                            {
                                using (esTraceArguments esTrace = new esTraceArguments(request, cmd, "SaveCollectionStoredProcedure", System.Environment.StackTrace))
                                {
                                    try
                                    {
                                        da.Update(dataTable); ;
                                    }
                                    catch (Exception ex)
                                    {
                                        esTrace.Exception = ex.Message;
                                        throw;
                                    }
                                }
                            }
                            else
                            #endregion
                            {
                                da.Update(dataTable);
                            }
                        }
                        finally
                        {
                            if (needToInsert) esTransactionScope.DeEnlist(da.InsertCommand);
                            if (needToUpdate) esTransactionScope.DeEnlist(da.UpdateCommand);
                            if (needToDelete) esTransactionScope.DeEnlist(da.DeleteCommand);
                        }

                        scope.Complete();
                    }
                }

                if (request.ContinueUpdateOnError && dataTable.HasErrors)
                {
                    DataRow[] errors = dataTable.GetErrors();

                    foreach (DataRow rowWithError in errors)
                    {
                        request.FireOnError(rowMapping[rowWithError], rowWithError.RowError);
                    }
                }
            }

            return request.Table;
        }