.NET 使用事物调用存储过程

using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.Data.Common;
using System.Data.SqlClient;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace PricipalPractice
{
   public static class SqlHelper
    {
        //根据config配置文件中提供程序，获取数据库连接对象
        //private static DbConnection GetDataBaseConnection(string databaseName)
        //{
        //    ConnectionStringSettings settings = ConfigurationManager.ConnectionStrings[databaseName];
        //    DbProviderFactory factory = DbProviderFactories.GetFactory(settings.ProviderName);
        //    DbConnection conn = factory.CreateConnection();
        //    conn.ConnectionString = settings.ConnectionString;
        //    return conn;
        //}

        //事物的使用,调用存储过程,无返回值
        private static void ExecuteTransaction()
        {
            string dataBaseName = "databaseName";
            using (SqlConnection con = GetDataBaseConnection(dataBaseName))
            {
                con.Open();
                using (SqlCommand command = con.CreateCommand())
                {
                    SqlTransaction st = con.BeginTransaction();
                    command.Transaction = st;
                    try
                    {
                        command.CommandText = "storeName";
                        command.CommandType = CommandType.StoredProcedure;
                        command.Parameters.Add(new SqlParameter("@param", "value"));
                        command.ExecuteNonQuery();
                        st.Commit();
                    }
                    catch (Exception ex)
                    {
                        st.Rollback();
                        throw new Exception(ex.Message);
                    }
                }
                con.Close();

            }

        }

        private static SqlConnection GetDataBaseConnection(string databaseName)
        {
            ConnectionStringSettings settings = ConfigurationManager.ConnectionStrings[databaseName];
            return new SqlConnection(settings.ConnectionString);
        }
    }
}