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public static void Transaction() { myitEntities entity = null; DbTransaction tran = null; try { entity = new myitEntities(); entity.Connection.Open(); tran = entity.Connection.BeginTransaction(); Student st = entity.Student.FirstOrDefault(c => c.StudentID == 20); st.StudentName = "test"; st.Age = 55; entity.SaveChanges(); // 提交事務(wù) tran.Commit(); } catch (Exception ex) { if (tran != null) { // 事務(wù)回滾 tran.Rollback(); Console.WriteLine("事務(wù)回滾"); throw ex; } } finally { if (entity != null && entity.Connection.State != ConnectionState.Closed) { entity.Connection.Close(); } } }
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