6.EntityFramework事务

//数据库事务开始
using (System.Data.Entity.DbContextTransaction trans = DbContext.Database.BeginTransaction())
{
    try
    {
        //数据库事务提交
        trans.Commit();
    }
    catch (Exception ex)
    {
        //数据库事务回滚
        trans.Rollback();
    }
}