DbHelperSQL 事务写法！

  try
             {
                 DBUtility.CommandInfo dbcom = new DBUtility.CommandInfo();
                 List<DBUtility.CommandInfo> strStranList = new List<DBUtility.CommandInfo>();             

                 StringBuilder strSql = new StringBuilder();
                 strSql.Append("Update Jia72_Members Set ");
                 strSql.Append("UserName=@UserName,");
                 strSql.Append("YTCardId=@YTCardId,");
                 strSql.Append("CardNum=@CardNum,");
                 strSql.Append("Bank=@Bank,");
                 strSql.Append("BankNumber=@BankNumber,");
                 strSql.Append("QQNumber=@QQNumber,");
                 strSql.Append("RealName=@RealName,");
                 strSql.Append("SavedOn=@SavedOn");
                 strSql.Append(" Where Id=@Id ");
                 string strSQLM = strSql.ToString();

                 SqlParameter[] parameters = {
                     new SqlParameter("@Id",SqlDbType.Int,),
                     new SqlParameter("@UserName",SqlDbType.NVarChar,),
                     new SqlParameter("@YTCardId",SqlDbType.Int,),
                     new SqlParameter("@CardNum",SqlDbType.NVarChar,),
                     new SqlParameter("@Bank",SqlDbType.NVarChar,),
                     new SqlParameter("@BankNumber",SqlDbType.NVarChar,),
                     new SqlParameter("@QQNumber",SqlDbType.NVarChar,),
                     new SqlParameter("@RealName",SqlDbType.NVarChar,),
                     new SqlParameter("@SavedOn",SqlDbType.DateTime)
                      };
                 parameters[].Value = model.Id;
                 parameters[].Value = model.UserName;
                 parameters[].Value = model.YTCardId;
                 parameters[].Value = model.CardNum;
                 parameters[].Value = model.Bank;
                 parameters[].Value = model.BankNumber;
                 parameters[].Value = model.QQNumber;
                 parameters[].Value = model.RealName;
                 parameters[].Value = model.SavedOn;

                 dbcom.CommandText = strSql.ToString();
                 dbcom.Parameters = parameters;
                 strStranList.Add(dbcom);//绑定会员信息              

                 //更新卡表
                 strSql.Clear();
                 strSql.Append("update Jia72_YTCard set ");
                 strSql.Append("IsBind=1,");
                 strSql.Append("SavedOn=getdate()");
                 strSql.Append(" where Id=" + model.YTCardId);

                 dbcom.CommandText = strSql.ToString();
                 dbcom.Parameters = null;
                 strStranList.Add(dbcom);//更新卡表绑定            

                 if (DBUtility.DbHelperSQL.ExecuteSqlTran(strStranList) > )
                 {
                     DotNet.Common.MessageBox.ShowAndRedirect(this, "保存成功！", "UserManages.aspx");
                 }
                 else
                 {
                     MessageBox.Show(this, "操作失败,请联系管理员!");
                 }
             }
             catch (Exception ex)
             {
                 LogHelper.WriteWebExLogInfo(this, ex);
                 MessageBox.Show(this, "操作失败,请联系管理员!");
                 return;
             }

说明：引用 DBUtility 用CommandInfo组织参数！还得用SQLHelper，悲催呀！