using System;using System.Data;using System.Data.SqlClient;namespace ExecuteTransaction{ /// <summary> /// ExecuteTransaction 的摘要說明。 /// </summary> public class ExecuteTransaction { public static void Main() {  SqlConnection mySqlConnection =  new SqlConnection(  "server=localhost;database=Northwind;uid=sa;pwd=sa"  );  mySqlConnection.Open();  // 創建SqlTransaction 對象并用SqlConnection對象的  // BeginTransaction()方法開始事務  SqlTransaction mySqlTransaction =  mySqlConnection.BeginTransaction();  // 創建保存SQL語句  SqlCommand mySqlCommand = mySqlConnection.CreateCommand();  // 將Transaction屬性設置為上面所生成的SqlTransaction對象  mySqlCommand.Transaction = mySqlTransaction;  // 將SqlCommand對象的CommandText屬性設置為第一個INSERT語句，  // 第一個INSERT語句在Customers表中增加一行  mySqlCommand.CommandText =  "INSERT INTO Customers (" +  " CustomerID, CompanyName" +  ") VALUES (" +  " 'Micro', 'Microsoft Corporation'" +  ")";  // 執行第一個INSERT語句  Console.WriteLine("Running first INSERT statement");  mySqlCommand.ExecuteNonQuery();  // 將SqlCommand對象的CommandText屬性設置為第二個INSERT語句，  // 第二個INSERT語句在Orders表中增加一行  mySqlCommand.CommandText =  "INSERT INTO Orders (" +  " CustomerID" +  ") VALUES (" +  " 'Micro'" +  ")";  // 執行第二個INSERT語句  Console.WriteLine("Running second INSERT statement");  mySqlCommand.ExecuteNonQuery();  // 提交事務，使INSERT語句增加的兩行在數據庫中保存起來  Console.WriteLine("Committing transaction");  mySqlTransaction.Commit();  mySqlConnection.Close(); } }}