c # and more SQL statements executed

C# 

void InsertMultiBoardBarcodeRec Private ()
{// determine the list of data can not be empty .....
IF (dataGridView1.RowCount == 0)
{
MessageBox.Show ( "Print the list is empty, please contact the puzzle SN ...", " prompt window .... ");
return;
}

List<Models.MultiBoardBarCoeRec> listPrintLists = new List<Models.MultiBoardBarCoeRec>();
//获取列表数添加到listPrintLists集合....
//获取服务器时间
Models.GetSQLServerNowTime getSQLServerNowTime = new Models.GetSQLServerNowTime();
getSQLServerNowTime = DalGetSQLServerNowTime.SQLServerNowTime(getSQLServerNowTime);
string da = getSQLServerNowTime.NowTime;
foreach (DataGridViewRow dgr in dataGridView1.Rows)
{
if (dgr.Cells[4].Value == null)
{
break;
}
listPrintLists.Add(new Models.MultiBoardBarCoeRec {
WONO = dgr.Cells[5].Value.ToString(),
ProductGroupID = ProductGroupID,
FirstMBBC = dgr.Cells[4].Value.ToString(),
EndMBBC = dgr.Cells[4].Value.ToString(),
OutputDate = da,
WorkerID=texWhoPrint.Text.Trim(),
});
}
DalProductInfo.MultiBoardBarCoeRec(listPrintLists);
//bool tkdo = DalProductInfo.MultiBoardBarCoeRec(barCoeRec);
}

        public  BOOL MultiBoardBarCoeRec (List <Models.MultiBoardBarCoeRec>   objBoardBarCoeRec) 
        { 
            // String [] = {AA "AA", "BB", "CC"};        
          
            // define a set of List for holding multiple SQL statements 
            List < String > = sqlList new new List < String > ();
             // sqlList.Add (AA [0] .ToString ());
             // sqlList.Add (AA [. 1] .ToString ()); 

            for ( int I = 0 ; I <objBoardBarCoeRec.Count; I ++ ) 
            { 
                String sqlstr = "Insert MultiBoardBarCodeRec (WONO,ProductGroupID,FirstMBBC,EndMBBC,OutputDate,WorkerID) ";
                sqlStr += "Values('{0}','{1}','{2}','{3}','{4}','{5}')";
                sqlStr = string.Format(sqlStr, objBoardBarCoeRec[i].WONO, objBoardBarCoeRec[i].ProductGroupID, objBoardBarCoeRec[i].FirstMBBC, 
                objBoardBarCoeRec[i].EndMBBC, objBoardBarCoeRec[i].OutputDate, i);

                sqlList.Add(sqlStr.ToString());
            }
            return SQLHelper.UpdateByTran(sqlList);      
        }
    

 ///  <the Summary> 
        /// enable transaction submit multiple SQL statements
         ///  </ the Summary> 
        ///  <param name = "sqlList"> SQL statement collection </ param> 
        ///  <returns A> return bool whether the type of transaction performed on behalf of success </ Returns> 
        public  static  BOOL UpdateByTran (List < String > sqlList) 
        { 
            the SqlConnection Conn = new new the SqlConnection (connString); 
            the SqlCommand cmd = new new the SqlCommand (); 
            cmd.Connection = Conn;
             the try 
            {
                conn.Open (); 
                
                cmd.Transaction = conn.BeginTransaction (); // open transaction
                 // loop execution Sql statement 
                the foreach ( var itemSql in sqlList) 
                { 
                    cmd.CommandText = itemSql;                  
                    the cmd.ExecuteNonQuery (); 
                } 
                cmd.Transaction .Commit (); // commit the transaction (the real data modified from the database) 
                return  to true ; 
            } 
            the catch (Exception EX) 
            { 
                IF (cmd.Transaction =!null )
                    cmd.Transaction.Rollback (); // roll back the transaction (return undo "normal job") 
                the throw  new new Exception ( " Error Calling transaction method appears: " + ex.Message);
                 the throw ; 
            } 
            a finally 
            { 
                IF (cmd.Transaction ! = null ) 
                { 
                    cmd.Transaction = null ; // Clear transaction 
                } 
                conn.Close (); 
            } 
        }