sqlserver 的事务和c#的事务

 1 sql
 2 create database model
 3 go
 4 use model
 5 go
 6 create table Stu(
 7 id int ,
 8 name varchar(200)
 9 )
10 go
11 select * from Stu
12 go
13 begin transaction cc
14 begin 
15  --print @@Trancount
16  insert into Stu (id,name) values(1,'33')
17  insert into Stu (id,name) values('sd','66')    
18  if @@error>0 
19     rollback transaction cc
20     
21  else 
22     commit transaction cc  
23 end 
24 go

 1 static void Main(string[] args)
 2         {
 3             using (SqlConnection sqlcon = new SqlConnection(@"server=192.168.3.11;database=model;uid=sa;pwd="))
 4             {
 5                 sqlcon.Open();
 6                 SqlTransaction  objtran;
 7                 objtran = sqlcon.BeginTransaction("Method");
 8                 SqlCommand objcmd = new SqlCommand();
 9                 objcmd.Connection = sqlcon;
10                 objcmd.Transaction = objtran;                
11                 try
12                 {
13                     objcmd.CommandText = "insert into Stu (id,name) values(1,'33')";                    
14                     object a = objcmd.ExecuteScalar();                    
15                     objcmd.CommandText = "insert into Stu (id,name) values(2,'66')";                    
16                     a = objcmd.ExecuteScalar();  
17                     objcmd.ExecuteScalar(); 
18                     Console.WriteLine(a.ToString());                   
19                     objtran.Commit();
20 
21                 }
22                 catch(Exception ex)
23                 {
24                     objtran.Rollback();
25                     Console.WriteLine(ex.Message);
26                     Console.ReadLine();
27                 }
28             }
29             Console.ReadLine();
30         }

 public void SaveTcpData(DataFormateModel DFM)
        {
            using (SqlConnection _strCon = new SqlConnection(SqlHelper.SqlConnStr))
            {
                _strCon.Open();
                using (SqlTransaction _sqlTransaction = _strCon.BeginTransaction("Method"))
                {
                    SqlCommand _sqlCommand = new SqlCommand();
                    _sqlCommand.Connection = _strCon;
                    _sqlCommand.Transaction = _sqlTransaction;
                    try
                    {
                        _sqlCommand.CommandText = "insert into PointTcpData (PointTcpData_pointID,PointTcpData_X,PointTcpData_Y,PointTcpData_Z,SavaeTime) values ("
                                                    + DFM.PointID + "," + DFM.PointX + "," + DFM.PointY + "," + DFM.PointZ + ",'" + DateTime.Now.ToString() + "')  select   @@IDENTITY   as   'Identity'";       
                        int _identityID = Convert.ToInt32(_sqlCommand.ExecuteScalar());
                        DataTable _dt = new DataTable();
                        _dt.Columns.Add(new DataColumn("PointTcpDataAttach_ID", typeof(int)));
                        _dt.Columns.Add(new DataColumn("PointTcpDataID", typeof(int)));
                        _dt.Columns.Add(new DataColumn("PointTcpDataAttach_Gold", typeof(float)));
                        _dt.Columns.Add(new DataColumn("PointTcpDataAttach_Max", typeof(float)));
                        _dt.Columns.Add(new DataColumn("PointTcpDataAttach_Std", typeof(float)));

                        DFM.OtherInfo.ForEach(x =>
                            {
                                DataRow _dr = _dt.NewRow();
                                _dr["PointTcpDataID"] = _identityID;
                                _dr["PointTcpDataAttach_Gold"] = x.Gold;
                                _dr["PointTcpDataAttach_Max"] = x.Max;
                                _dr["PointTcpDataAttach_Std"] = x.Std;
                                _dt.Rows.Add(_dr);
                            });
                        using (SqlBulkCopy _sqlcopy = new SqlBulkCopy(_strCon, SqlBulkCopyOptions.Default, _sqlTransaction))
                        {
                            _sqlcopy.BatchSize = _dt.Rows.Count;
                            _sqlcopy.DestinationTableName = "PointTcpDataAttach";
                            _sqlcopy.WriteToServer(_dt);
                        }

                        _sqlTransaction.Commit();
                    }
                    catch (Exception ex)
                    {
                        _sqlTransaction.Rollback();
                    }
                }
            }
        }