数据库事务

方法一：

/// <summary>
/// 执行多条SQL语句，实现数据库事务
/// </summary>
/// <param name="SQLStringList">多条SQL语句</param>
/// <returns>执行事务影响的行数</returns>
public static int ExecuteSqlTran(string connectionString, List<String> SQLStringList)
{
using (SqlConnection conntion = new SqlConnection(connectionString))
{
conntion.Open();
SqlCommand cmd = new SqlCommand();
cmd.Connection = conntion;

SqlTransaction ts = conntion.BeginTransaction();
cmd.Transaction = ts;
try
{
int count = 0;
for (int n = 0; n < SQLStringList.Count; n++)
{
string strsql = SQLStringList[n];
if (strsql.Length > 1)
{
cmd.CommandText = strsql;
count += cmd.ExecuteNonQuery();
}
}
ts.Commit();//提交数据库事务
return count;
}
catch
{
ts.Rollback();
return 0;
}
}
}

方法二：

/// <summary>
/// 执行多条SQL语句，实现数据库事务
/// </summary>
/// <param name="SQLStringList">SQL语句的哈希表（key为sql语句，value是该语句的SqlParameter[]）</param>
public static void ExecuteSqlTran(string connectionString, Hashtable SQLStringList)
{
using (SqlConnection conn = new SqlConnection(connectionString))
{
conn.Open();
using (SqlTransaction trans = conn.BeginTransaction())
{
SqlCommand cmd = new SqlCommand();
try
{
//循环
foreach (DictionaryEntry myDY in SQLStringList)
{
string cmdText = myDY.Key.ToString();
SqlParameter[] parameter = (SqlParameter[])myDY.Value;
PrepareCommand(cmd, conn, trans, cmdText, parameter);
int result = cmd.ExecuteNonQuery(); //这里可以记录该事务的执行结果
cmd.Parameters.Clear();
}
trans.Commit();
}
catch
{
trans.Rollback();
throw;
}
}
}
}