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C# BrightPlatformEntities.AcceptAllChanges方法代码示例

本文整理汇总了C#中BrightPlatformEntities.AcceptAllChanges方法的典型用法代码示例。如果您正苦于以下问题:C# BrightPlatformEntities.AcceptAllChanges方法的具体用法?C# BrightPlatformEntities.AcceptAllChanges怎么用?C# BrightPlatformEntities.AcceptAllChanges使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在BrightPlatformEntities的用法示例。


在下文中一共展示了BrightPlatformEntities.AcceptAllChanges方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: m_bwUpdateMasterDataContact_DoWork


//.........这里部分代码省略.........
                    if (_drNewContact != null)
                        _dtNewContacts.Rows.Add(_drNewContact);
                }
                #endregion

                /**
                 * start the insert/update transaction.
                 * updates will be first processed over new data.
                 */
                #region Code Logic
                SqlConnection _sqlConnection = new SqlConnection(UserSession.ProviderConnection);
                _sqlConnection.Open();
                SqlTransaction _sqlTransaction = _sqlConnection.BeginTransaction();
                using (TransactionScope _efDbTransaction = new TransactionScope(TransactionScopeOption.Required, new TransactionOptions() {
                    Timeout = TimeSpan.FromMinutes(120),
                    IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted
                })) {
                    try {
                        /**
                         * start updating records.
                         * transaction will not be saved until _efDbModel.AcceptAllChanges() is called.
                         */
                        if (_lstUpdatedContacts.Count > 0) {
                            contact _item = null;
                            int _id = 0;
                            for (int x = 0; x < _lstUpdatedContacts.Count; x++) {
                                _id = _lstUpdatedContacts[x].id;
                                _item = _efDbModel.contacts.FirstOrDefault(i => i.id == _id);
                                _efDbModel.contacts.ApplyCurrentValues(_lstUpdatedContacts[x]);
                            }
                            _efDbModel.SaveChanges();
                        }
                        //ObjectContact.SaveContacts(_lstUpdatedContacts, _efDbModel);

                        /**
                         * process new records using bulk insert.
                         * commit and accept all changes to the database.
                         * to be updated records will be committed on _efDbModel.AcceptAllChanges() call.
                         */
                        if (_dtNewContacts.Rows.Count > 0)
                            DatabaseUtility.ExecuteBulkProcessing("vw_contacts", _dtNewContacts, _sqlConnection, _sqlTransaction);

                        /**
                         * commit only if has records to insert/update.
                         */
                        if (_dtNewContacts.Rows.Count > 0)
                            _sqlTransaction.Commit();

                        if (_lstUpdatedContacts.Count > 0) {
                            _efDbModel.AcceptAllChanges();
                            _efDbTransaction.Complete();
                        }

                        tbxImportFileContact.Text = "";
                        cboSheetNameContact.Properties.Items.Clear();
                        cboSheetNameContact.Text = "";
                        gcMatchedColumnContact.DataSource = null;
                        gcImportFileDataContact.DataSource = null;
                        lblRecordStatisticContact.Text = "          Number of Records: 0";
                        WaitDialog.Close();
                        MessageBox.Show("Successfully saved items to contacts master data.", "Bright Manager", MessageBoxButtons.OK, MessageBoxIcon.Information);
                        WaitDialog.Show("Initializing ...");
                    }
                    catch (Exception Ex) {
                        WaitDialog.Close();
                        MessageBox.Show(string.Format("Transaction rolled backed due to the ff:{0}{0}{1}", Environment.NewLine, Ex.Message), "Bright Manager", MessageBoxButtons.OK, MessageBoxIcon.Information);
                        WaitDialog.Show("Initializing ...");
                        _efDbTransaction.Dispose();
                        _sqlTransaction.Rollback();
                        _efDbModel = null;
                        _sqlConnection = null;
                        this.SetEditableControlsContact(true);
                        e.Cancel = true;
                        return;
                    }
                    finally {
                        _efDbTransaction.Dispose();
                        _efDbModel = null;
                        _sqlConnection = null;
                    }

                    WaitDialog.Close();
                }
                #endregion

                /**
                 * delete the temporary excel file created during the matching
                 */
                if (File.Exists(m_sFileNameContact))
                    File.Delete(m_sFileNameContact);

                this.SetEditableControlsContact(true);
                btnUpdateToGridContact.Enabled = false;
                btnUpdateToMasterDataTableContact.Enabled = false;
                WaitDialog.Close();

            }));

            e.Cancel = true;
        }
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