Dapper学习笔记（4）-事务

 1         private void DapperTransaction()
 2         {
 3             using (IDbConnection con = OpenConnection())
 4             {
 5                 IDbTransaction tran = con.BeginTransaction();
 6                 try
 7                 {
 8                     string query = "update T_Role set RoleName=‘开发主管‘ where RoleId=4";//更新一条记录
 9                     con.Execute(query, null, tran, null, null);
10                     //throw new Exception();
11                     query = "delete from T_Role where RoleId=8";//删除一条记录
12                     con.Execute(query, null, tran, null, null);
13                     tran.Commit();
14                 }
15                 catch (Exception ex)
16                 {
17                     tran.Rollback();
18                 }
19             }
20         }