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  • C#SqlDataReader的用法

               string sqljn = "select [序号],[品名],[电压等级],[单位],[型号],[规格],[红本价格]  FROM [book].[dbo].[View_wjprice]";
                    using (SqlConnection con=new SqlConnection(consqlstr))
                    {
                        con.Open();
                        using (SqlCommand cmd=con.CreateCommand())
                        {
                            cmd.CommandText = sqljn;
                            using (SqlDataReader read=cmd.ExecuteReader(CommandBehavior.CloseConnection))
                            {
                                while (read.Read())
                                {
                                    count++;
                                     sql = "insert into eazy_electric(channel_id,company_id,g_id,title,grade,unit,barcode,guide,retail_price,add_time)";
                                    sql += " values(12,56,'"+read["序号"] +"','"+ read["品名"] + "','"+ read["电压等级"] + "','" + read["单位"] + "','" + read["型号"] + "','" + read["规格"] + "','" + read["红本价格"] + "','"+DateTime.Now.ToString()+"')";
                                    DbHelperSQL.ExecuteSql(sql);
                                      sql = "insert into eazy_electric_history(channel_id,company_id,g_id,title,grade,unit,barcode,guide,retail_price,add_time)";
                                    sql += " values(12,56,'"+read["序号"] +"','"+ read["品名"] + "','"+ read["电压等级"] + "','" + read["单位"] + "','" + read["型号"] + "','" + read["规格"] + "','" + read["红本价格"] + "','" + DateTime.Now.ToString() + "')";
                                    DbHelperSQL.ExecuteSql(sql);
                                }
                            }
    
                        }
                    }
     using (SqlDataReader read = DbHelperSQL.ExecuteReader(sql))
                    {
                        while (read.Read())
                        {
                           count++;
                            htmlstr += "<a style='text-decoration:none;'>";   
                            htmlstr += "<li class=''>";
                            htmlstr += "<div class='clrfix'>";
                            htmlstr += "<div class='honor_x'>";
                            htmlstr += "<div class='time'>" + read["ylcode"] + "</div>";
                            htmlstr += "</div>";
                            htmlstr += "<div class='honor_n'>"+read["itemname"] +"</div>";
                            htmlstr += "<div class='honor_p'>" + read["itemcontent"] + "</div>   ";
                            htmlstr += "<div class='honor_n'>" + read["danwei"] + "</div>";
                            htmlstr += "<div class='honor_c'>" + read["price"] + "</div>";
                            htmlstr += "</div>";
                            htmlstr += "</li>";
                            htmlstr += "</a>";
                        }
                    }
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  • 原文地址:https://www.cnblogs.com/yabisi/p/6042868.html
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