BEGIN TRANSACTION
UPDATE [dbo].[T_ACCOUNT] SET BALANCE = BALANCE + @amount WHERE ID = @toAccount
IF @@ERROR <> 0
BEGIN ROLLBACK TRANSACTION
END
ELSECOMMIT TRANSACTION 

using (DbTransaction transaction = connection.BeginTransaction()){command.Transaction = transaction;try{command.ExecuteNonQuery();transaction.Commit();}catch (Exception ex){transaction.Rollback();throw new Exception(ex.Message);}
}

using (TransactionScope transactionScope = new TransactionScope())
{bankService.Pay("111", 50);bankService.Receipt("222", 50);transactionScope.Complete();
}

using System;
using System.IO;
using System.Transactions;
using Microsoft.KtmIntegration;namespace Exercise.WebLocalTransaction
{public partial class Test02 : System.Web.UI.Page{protected void Page_Load(object sender, EventArgs e){using (TransactionScope transactionScope = new TransactionScope()){try{FileStream stream = TransactedFile.Open(@"D:/Sam Xiao.txt", FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite);StreamWriter writer = new StreamWriter(stream);writer.WriteLine(String.Concat("执行一个事务代码：",DateTime.Now.ToString(),Environment.NewLine));writer.Close();//int x = 0;//int y = 10;//int z = y / x;
                    transactionScope.Complete();}catch{}}}}
}

[ServiceContract(Name = "IBankingService")]
public interface IBankingService
{[TransactionFlow(TransactionFlowOption.Mandatory)][OperationContract(Name = "Transfer")]void Transfer(string fromAccountId, string toAccountId, double amount);[TransactionFlow(TransactionFlowOption.Mandatory)][OperationContract(Name = "Pay")]bool Pay(String accountID, double amount);[TransactionFlow(TransactionFlowOption.Mandatory)][OperationContract(Name = "Receipt")]bool Receipt(String accountID, double amount);
}

[ServiceBehavior(TransactionIsolationLevel = System.Transactions.IsolationLevel.Serializable)]
public class BankingService : IBankingService
{[OperationBehavior(TransactionScopeRequired = true, TransactionAutoComplete = true)]public void Transfer(string fromAccountId, string toAccountId, double amount){throw new NotImplementedException();}[OperationBehavior(TransactionScopeRequired = true, TransactionAutoComplete = true)]public bool Pay(string accountID, double amount){throw new NotImplementedException();}[OperationBehavior(TransactionScopeRequired = true, TransactionAutoComplete = true)]public bool Receipt(string accountID, double amount){throw new NotImplementedException();}
}

<system.serviceModel><behaviors><serviceBehaviors><behavior name="sBehaviorConfig"><serviceMetadata httpGetEnabled="true" /><serviceDebug includeExceptionDetailInFaults="true" /></behavior></serviceBehaviors></behaviors><bindings><wsHttpBinding><binding name="wshttpConfig" transactionFlow="true" ><security mode="None" /></binding></wsHttpBinding></bindings><services><service name="Exercise.Service.BankingService" behaviorConfiguration="sBehaviorConfig"><endpoint address="mex"  binding="wsHttpBinding" bindingConfiguration="wshttpConfig" contract="Exercise.Contract.IBankingService"></endpoint></service></services><serviceHostingEnvironment multipleSiteBindingsEnabled="true" /></system.serviceModel>

<system.serviceModel><bindings><wsHttpBinding><binding name="WSHttpBinding_IBankingService" transactionFlow="true"><security mode="None" /></binding></wsHttpBinding></bindings><client><endpoint address="http://localhost:9100/BankingService.svc/mex"binding="wsHttpBinding" bindingConfiguration="WSHttpBinding_IBankingService"contract="Exercise.Contract.IBankingService" name="WSHttpBinding_IBankingService" /></client></system.serviceModel>

IBankingService bankService = WcfProxy.CreateProxy<IBankingService>("WSHttpBinding_IBankingService");
protected void Page_Load(object sender, EventArgs e)
{using (TransactionScope transactionScope = new TransactionScope()){bankService.Pay("111", 50);bankService.Receipt("222", 50);transactionScope.Complete();}
}