DbSyncScopeDescription scopeDesc = new DbSyncScopeDescription("filtered_customer");

// Definition for Customer.            DbSyncTableDescription customerDescription =                SqlSyncDescriptionBuilder.GetDescriptionForTable("Sales.Customer", serverConn);

            scopeDesc.Tables.Add(customerDescription);

// Definition for CustomerContact, including the list of columns to include.            Collection<string> columnsToInclude = new Collection<string>();            columnsToInclude.Add("CustomerId");            columnsToInclude.Add("PhoneType");            DbSyncTableDescription customerContactDescription =                SqlSyncDescriptionBuilder.GetDescriptionForTable("Sales.CustomerContact", columnsToInclude, serverConn);

            scopeDesc.Tables.Add(customerContactDescription);

            SqlSyncScopeProvisioning serverConfig = new SqlSyncScopeProvisioning(serverConn, scopeDesc);            serverConfig.ObjectSchema = "Sync";

// Specify which column(s) in the Customer table to use for filtering data, // and the filtering clause to use against the tracking table.// "[side]" is an alias for the tracking table.            serverConfig.Tables["Sales.Customer"].AddFilterColumn("CustomerType");            serverConfig.Tables["Sales.Customer"].FilterClause = "[side].[CustomerType] = 'Retail'";

// Configure the scope and change-tracking infrastructure.            serverConfig.Apply();

// Write the configuration script to a file. You can modify // this script if necessary and run it against the server// to customize behavior.            File.WriteAllText("SampleConfigScript.txt", serverConfig.Script());

            // 创建一个SQL Server Compact数据库并用从服务器端获取的作用域信息来设置它// Compact数据库不支持单独的schema，// 所以我们通过为所有的同步对象增加前缀"Sync"来使他们易于区分            Utility.DeleteAndRecreateCompactDatabase(Utility.ConnStr_SqlCeSync1, true);            Utility.DeleteAndRecreateCompactDatabase(Utility.ConnStr_SqlCeSync2, false);            DbSyncScopeDescription clientSqlCe1Desc = SqlSyncDescriptionBuilder.GetDescriptionForScope("filtered_customer", null, "Sync", serverConn);            SqlCeSyncScopeProvisioning clientSqlCe1Config = new SqlCeSyncScopeProvisioning(clientSqlCe1Conn, clientSqlCe1Desc);            clientSqlCe1Config.ObjectPrefix = "Sync";            clientSqlCe1Config.Apply();

// 通过从SQL Server Compact数据库中获取的同步作用域信息来设置一个SQL Server客户端数据库// 当然我们也可以从服务器端获取作用域信息            DbSyncScopeDescription clientSqlDesc = SqlCeSyncDescriptionBuilder.GetDescriptionForScope("filtered_customer", "Sync", clientSqlCe1Conn);            SqlSyncScopeProvisioning clientSqlConfig = new SqlSyncScopeProvisioning(clientSqlConn, clientSqlDesc);            clientSqlConfig.ObjectSchema = "Sync";            clientSqlConfig.Apply();

            // 在SQL Server客户端数据库中删除RetailCustomers作用域            SqlSyncScopeDeprovisioning clientSqlDepro = new SqlSyncScopeDeprovisioning(clientSqlConn);

// 首先把取消设置的SQL脚本保存下来，以便取消设置其他的SQL Server客户端数据库// 这一步是可选的            File.WriteAllText("SampleDeprovisionScript.txt",                clientSqlDepro.ScriptDeprovisionScope("RetailCustomers"));

// 删除作用域            clientSqlDepro.DeprovisionScope("RetailCustomers");

-- Find all filtered scopes that were created from the filtered scope template named 'customertype_template'.

select sync_scope_name from scope_info where scope_config_id =       (select template_config_id from scope_templates where template_name = N'customertype_template')

            // 从服务器数据库中删除"customertype_template"模板// 这样也会删除所有依赖与该模板的作用域            SqlSyncScopeDeprovisioning serverSqlDepro = new SqlSyncScopeDeprovisioning(serverConn);            serverSqlDepro.DeprovisionTemplate("customertype_template");

            // 在SQL Server Compact数据库这哦你删除所有的同步对象            SqlCeSyncScopeDeprovisioning clientSqlCeDepro = new SqlCeSyncScopeDeprovisioning(clientSqlCe1Conn);            clientSqlCeDepro.DeprovisionStore();

        static void SynchronizationUsingSnapshot()        {// 通过从服务器数据库获取的作用域信息来设置Compact数据库SyncCompactDB2.sdf            SqlCeConnection clientConn = new SqlCeConnection(@"Data Source='D:\Sync Framework\CompactDB\SyncCompactDB2.sdf'");            SqlConnection serverConn = new SqlConnection("Data Source=localhost; Initial Catalog=SyncDB; Integrated Security=True");            DbSyncScopeDescription scopeDesc = SqlSyncDescriptionBuilder.GetDescriptionForScope("ProductsScope", serverConn);            SqlCeSyncScopeProvisioning clientProvision = new SqlCeSyncScopeProvisioning(clientConn, scopeDesc);            clientProvision.Apply();

// 从SQL Server Compact数据库创建一个快照，该快照将用于初始化其他的Compact数据库// 尽管我们可以从其他数据库获取作用域信息来初始化，但快照的使用为Compact数据库提供了一个更加快捷方便的部署方案。// SyncCompactDB3.sdf为不存在的Compact数据库，将在GenerateSnapshot方法中自动创建            string newCompactDB = @"D:\Sync Framework\CompactDB\SyncCompactDB3.sdf";            SqlCeSyncStoreSnapshotInitialization syncStoreSnapshot = new SqlCeSyncStoreSnapshotInitialization();            syncStoreSnapshot.GenerateSnapshot(clientConn, newCompactDB);

// 对使用快照初始化的SyncCompactDB3.sdf执行同步,因为快照中已经包含了服务器中的数据// 所以本次同步将没有数据被同步，直到一方的数据发生变化            SyncOrchestrator syncOrchestrator = new SyncOrchestrator();            syncOrchestrator.LocalProvider = new SqlCeSyncProvider("ProductsScope", clientConn);            syncOrchestrator.RemoteProvider = new SqlSyncProvider("ProductsScope", serverConn);            syncOrchestrator.Direction = SyncDirectionOrder.UploadAndDownload;            SyncOperationStatistics syncStats = syncOrchestrator.Synchronize();            DisplayStats(syncStats);        }

static void DisplayStats(SyncOperationStatistics syncStats)        {// 输出统计数据            Console.WriteLine("Start Time: " + syncStats.SyncStartTime);            Console.WriteLine("Total Changes Uploaded: " + syncStats.UploadChangesTotal);            Console.WriteLine("Total Changes Downloaded: " + syncStats.DownloadChangesTotal);            Console.WriteLine("Complete Time: " + syncStats.SyncEndTime);            Console.WriteLine(String.Empty);        }