datatable dateset 载体传递数据、存储过程

第一部分:数据库通过存储过程读取数据，通过datatable接受，前台通过asp：repeater.DataSource()和binding()绑定数据

  /// <summary>
         /// 分店详情及点评信息
         /// </summary>
         /// <param name="cityName"></param>
         /// <param name="startDate"></param>
         /// <param name="endDate"></param>
         /// <returns></returns>
         public override DataTable BranchListSearchAndReview(string cityName, string startDate, string endDate)
         {
             DataTable dt = new DataTable("BranchListSearchAndReview");
             DataColumn ID = new DataColumn("ID", typeof(int));
             DataColumn Name = new DataColumn("Name", typeof(string));
             DataColumn CityName = new DataColumn("CityName", typeof(string));
             DataColumn Address = new DataColumn("Address", typeof(string));
             DataColumn Content = new DataColumn("Content", typeof(string));
             DataColumn adjustmentprice = new DataColumn("adjustmentprice", typeof(string));
             DataColumn Regional = new DataColumn("Regional", typeof(string));
             DataColumn SumBranchReview = new DataColumn("SumBranchReview", typeof(string));
             DataColumn ScoreAvg = new DataColumn("ScoreAvg", typeof(string));
             DataColumn Cover = new DataColumn("Cover", typeof(string));
             DataColumn Longitude = new DataColumn("Longitude", typeof(string));
             DataColumn Latitude = new DataColumn("Latitude", typeof(string));
             DataColumn PriceSection = new DataColumn("PriceSection",typeof(string));
             DataColumn Phone = new DataColumn("Phone",typeof(string));
             DataColumn Mobile = new DataColumn("Mobile",typeof(string));
             dt.Columns.Add(ID);
             dt.Columns.Add(Name);
             dt.Columns.Add(CityName);
             dt.Columns.Add(Address);
             dt.Columns.Add(Content);
             dt.Columns.Add(adjustmentprice);
             dt.Columns.Add(Regional);
             dt.Columns.Add(SumBranchReview);
             dt.Columns.Add(ScoreAvg);
             dt.Columns.Add(Cover);
             dt.Columns.Add(Longitude);
             dt.Columns.Add(Latitude);
             dt.Columns.Add(PriceSection);
             dt.Columns.Add(Phone);
             dt.Columns.Add(Mobile);
             using (SqlConnection conn = SqlHelper.getConnection())
             {
                 SqlCommand cmd = conn.CreateCommand();
                 cmd.CommandType = CommandType.StoredProcedure;
                 cmd.CommandText = "sb_branch_search";
                 cmd.Parameters.Add("@CityName", SqlDbType.NVarChar, ).Value = cityName;
                 cmd.Parameters.Add("@StartDate", SqlDbType.NVarChar, ).Value = startDate;
                 cmd.Parameters.Add("@EndDate", SqlDbType.NVarChar, ).Value = endDate;
                 conn.Open();
                 SqlDataReader sdr = cmd.ExecuteReader();
                 while (sdr.Read())
                 {
                     DataRow dr = dt.NewRow();
                     dr["ID"] = Convert.ToInt32(sdr["ID"]);
                     dr["Name"] = sdr["Name"].ToString();
                     dr["CityName"] = sdr["CityName"].ToString();
                     dr["Address"] = sdr["Address"].ToString();
                     if (!string.IsNullOrEmpty(sdr["content"].ToString()))
                     {
                         dr["Content"] = sdr["Content"].ToString().Length >  ? sdr["Content"].ToString().Substring(, )+"..." : sdr["Content"].ToString();
                     }
                     else
                     {
                         dr["Content"] = "试过才知道真好！";
                     }
                     dr["adjustmentprice"] = sdr["adjustmentprice"].ToString();
                     dr["Regional"] = sdr["Regional"].ToString();
                     if (!string.IsNullOrEmpty(sdr["SumBranchReview"].ToString()))
                     {
                         dr["SumBranchReview"] = sdr["SumBranchReview"].ToString();
                     }
                     else
                     {
                         dr["SumBranchReview"] = "";
                     }

                     if (sdr["ScoreAvg"] != DBNull.Value)
                     {
                         dr["ScoreAvg"] = sdr["ScoreAvg"].ToString();
                     }
                     else
                     {
                         dr["ScoreAvg"] = "";
                     }

                     //对价格分区域判断 0-300：A ;300-450:B;450-600:C;600+:D 如果有变化要在这里改
                     //赵坤 20160318
                     Convert.ToInt32(dr["adjustmentprice"].ToString());
                     if ( < Convert.ToInt32(dr["adjustmentprice"].ToString()) && Convert.ToInt32(dr["adjustmentprice"].ToString()) <= )
                     {
                         dr["PriceSection"] = "A";
                     }
                     else if ( < Convert.ToInt32(dr["adjustmentprice"].ToString()) && Convert.ToInt32(dr["adjustmentprice"].ToString()) <= )
                     {
                         dr["PriceSection"] = "B";
                     }
                     else if ( < Convert.ToInt32(dr["adjustmentprice"].ToString()) && Convert.ToInt32(dr["adjustmentprice"].ToString()) <= )
                     {
                         dr["PriceSection"] = "C";
                     }
                     else
                     {
                         dr["PriceSection"] = "D";
                     }
                     dr["Cover"] = sdr["Cover"].ToString();
                     dr["Longitude"] = sdr["Longitude"].ToString();
                     dr["Latitude"] = sdr["Latitude"].ToString();
                     dr["Mobile"] = sdr["Mobile"].ToString();
                     dr["Phone"] = sdr["Phone"].ToString();
                     dt.Rows.Add(dr);
                 }
             }
             return dt;
         }

Dal

   /// <summary>
     /// 分店信息
     /// </summary>
     private void LoadingBranchList()
     {
         ToolManager.GetParam<string>("cityName", ref cityName);
         ToolManager.GetParam<string>("startDate", ref startDate);
         ToolManager.GetParam<string>("endDate", ref endDate);
         if (ToolManager.CheckParam("StartDate"))
         {
             if (Convert.ToDateTime(ToolManager.GetParam("StartDate")) >= Convert.ToDateTime(today))
             {
                 startDate = Convert.ToDateTime(ToolManager.GetParam("StartDate")).ToString("yyyy-MM-dd");
             }
             else
             {

             }
         }
         if (ToolManager.CheckParam("EndDate"))
         {
             if (Convert.ToDateTime(startDate) >= Convert.ToDateTime(ToolManager.GetParam("EndDate")))
             {
                 endDate =Convert.ToDateTime( startDate).AddDays().ToString();
             }
             else
             {
                 endDate = Convert.ToDateTime(ToolManager.GetParam("EndDate")).ToString("yyyy-MM-dd");
             }
         }
         string cityNameTrue = cityName;
         if (cityName == "输入城市名字")
         {
             cityNameTrue = "";
         }
         // List<CBranch> branchs= BranchManager.BranchListSearch(cityNameTrue, startDate, endDate);
         DataTable dt = BranchManager.BranchListSearchAndReview(cityNameTrue, startDate, endDate);
         rptBranch.DataSource = dt;
         rptBranch.DataBind();
     }

web

第二部分：数据库通过存储过程读取数据，通过dataset接受，前天通过datetable处理后，binding()

  private void LoadBranch()
     {
         //店名、地址信息、价格（最低价格）、图片信息、房间概述（分店介绍、路线图）、
         ToolManager.GetParam<int>("branchID", ref branchID);
         ToolManager.GetParam<string>("startDate", ref startDate);
         ToolManager.GetParam<string>("endDate", ref endDate);
         cb = BranchManager.GetBranch(branchID);
         if (cb.ID == )
         {
             //如果没有传递参数或者参数为总部，则调回首页
             Response.Redirect("/default.aspx");
         }
         else
         {
             DataTable dt = new DataTable();
             List<CRoomPicture> pis = new List<CRoomPicture>();
             DataSet ds = BranchManager.GetBranchDetailInfo(branchID);
             if (ds.Tables.Count > )
             {
                 dt = ds.Tables[];
                 if (dt==null||dt.Rows.Count==)
                 {
                     Response.Redirect("/default.aspx");
                 }
                 else
                 {
                     BranchName = dt.Rows[]["BranchName"].ToString();
                     BranchNameShort = dt.Rows[]["BranchNameShort"].ToString();
                     Address = dt.Rows[]["Address"].ToString();
                     Introduction = dt.Rows[]["Introduction"].ToString().Trim();
                     Traffic = dt.Rows[]["Traffic"].ToString().Trim();
                     MapAddress = dt.Rows[]["MapAddress"].ToString();
                     string[] trafficc = Traffic.Split('|');//交通
                     for (int i = ; i < trafficc.Length; i++)
                     {
                         strTrafficcMap = strTrafficcMap + "<li>" + trafficc[i] + "</li>";
                     }
                     adjustmentprice = dt.Rows[]["adjustmentprice"].ToString();
                     ScoreAvg = dt.Rows[]["ScoreAvg"].ToString();
                     Latitude = dt.Rows[]["Latitude"].ToString();
                     Longitude = dt.Rows[]["Longitude"].ToString();
                     CityName = dt.Rows[]["CityName"].ToString();
                     Phone = dt.Rows[]["Phone"].ToString();
                     //pics = ds.Tables[1];
                     DataTable dt1 = new DataTable();
                     dt1 = ds.Tables[];
                     //for (int i = 0; i < ds.Tables[1].Rows.Count; i++)
                     //{
                     //    //数据库中必须有八个
                     //    if (i>8)
                     //    {
                     //        break;
                     //    }
                     //    //CRoomPicture cs = new CRoomPicture();
                     //    //cs.ID = (int)dt1.Rows[i]["ID"];
                     //    //cs.RoomID = (int)dt1.Rows[i]["RoomID"];
                     //    //cs.MasterPath = dt1.Rows[i]["MasterPath"].ToString().Replace("~", "");
                     //    //cs.ThumbnailsUrl = dt1.Rows[i]["ThumbnailsUrl"].ToString();
                     //    //cs.AttachmentUrl = dt1.Rows[i]["AttachmentUrl"].ToString();
                     //    //cs.Description = dt1.Rows[i]["Description"].ToString();
                     //    //pis.Add(cs);
                     //}
                     pis = (List<CRoomPicture>)ConvertToModel(dt1);
                 }

             }
             ImgRepeater.DataSource = pis;
             ImgRepeater.DataBind();
         }
     }

web

  //获取detail页面详情
         public override DataSet GetBranchDetailInfo(int branchId)
         {
             DataSet ds=new DataSet ();
             List<CRoomPicture> pics = new List<CRoomPicture>();
             using (SqlConnection conn=SqlHelper.getConnection())
             {
                 SqlParameter param = new SqlParameter("@BranchID", branchId);
                  ds = SqlHelper.ExecuteDataset(conn, CommandType.StoredProcedure, "sb_branch_img_Booking_review", param);
                 conn.Close();
             }
             return ds;
         }

Dal

存储过程

存储过程一：实用技术包括inner join 、cast round sum count float 组合取保留两位小数的平均数

 USE [ttrj]
 GO
 /****** Object:  StoredProcedure [dbo].[sb_branch_search]    Script Date: 04/18/2016 09:57:07 ******/
 SET ANSI_NULLS ON
 GO
 SET QUOTED_IDENTIFIER ON
 GO
 ALTER proc [dbo].[sb_branch_search]
 @CityName nvarchar(),
 @StartDate nvarchar(),
 @EndDate nvarchar()
 as
 begin
     set nocount on
     declare @where nvarchar()
     declare @sql   nvarchar()
     set @where='where 1=1 and h.isvalid=1'
     if @CityName <> ''
         set @where=@where+' and c.Name='''+@CityName+''''
     if @StartDate <> ''
         set @where=@where+' and e.date>='''+@StartDate+''''
     if @EndDate <> ''
         set @where=@where+' and e.date<'''+@EndDate+''''
     set @sql='select h.id,max(b.id) as branchID,avg(h.MemberPrice+e.adjustmentprice) as adjustmentprice from branch b left join dbo.HouseUnit h on b.id=h.branchID left join T_city c on b.cityID=c.id left join Ebooking e
  on b.id=e.branchID '+@where+' and b.id<> group by b.id,h.id order by b.id'
     declare @TempIds Table
     (
         Id int,
         branchID int,
         adjustmentprice float,
         Pos int identity(,)
     )
     insert into @TempIds
     exec(@sql)
     if @CityName <> ''
         begin
             insert into @TempIds
             select isnull(h.id,),b.ID,isnull(h.memberPrice,) from Branch b left join HouseUnit h on b.id=h.branchID left join T_city c on b.cityID=c.id where b.isApproved= and b.ID<> and h.isvalid= and c.Name=convert(nvarchar(),@CityName) and isnull(h.id,) not in (select id from @TempIds)
         end
     else
         begin
             insert into @TempIds
             select isnull(h.id,),b.ID,isnull(h.memberPrice,) from Branch b left join HouseUnit h on b.id=h.branchID where b.isApproved= and b.ID<> and h.isvalid= and isnull(h.id,) not in (select id from @TempIds)
         end
         --开始 对返回结果重新编辑，减少b表中返回数据，增加了一个试图的（分店点评总数、均分、最后评价），赵坤，
       select b.*,
         isnull(a.adjustmentprice,) as adjustmentprice,c.[Name] as cityName,r.Content,r.SumBranchReview,r.ScoreAvg
         from branch b inner join T_City c
         on b.cityID=c.ID inner join dbo.Vi_GetBranch_ReviewInfo r on b.ID=r.BranchID,(select branchID,min(adjustmentprice) adjustmentprice from @TempIds  group by branchID) a
         where b.id=a.branchid and b.isapproved= and b.foregroundShow= order by b.SysOrder desc
         --结束 对返回结果重新编辑
 end

存储过程（一）

 SELECT     br.ReviewID, br.BranchID, br.ScoreAvg, br.SumBranchReview, tr.[Content]
 FROM         dbo.T_Review AS tr INNER JOIN
                           (SELECT     MAX(r.ID) AS ReviewID, b.BranchID, COUNT(r.ID) AS SumBranchReview,
                                                    ISNULL(CAST(ROUND((SUM(r.CleanScore + r.ComfortScore + r.ServiceScore + r.SleepScore + r.InternetScore + r.InAndOutScore + r.EquipmentScore + r.ChannelServiceScore)
                                                     * 1.0) / (COUNT(r.ID) * ), ) AS float), ) AS ScoreAvg
                             FROM          dbo.T_Review AS r INNER JOIN
                                                    dbo.T_Bill AS b ON r.BillID = b.ID
                             WHERE      (r.ReviewType = '') OR
                                                    (r.ReviewType = '')
                             GROUP BY b.BranchID) AS br ON tr.ID = br.ReviewID

试图（一）

存储过程二：inner join

 USE [ttrj]
 GO
 /****** Object:  StoredProcedure [dbo].[sb_branch_img_Booking_review]    Script Date: 04/18/2016 10:01:12 ******/
 SET ANSI_NULLS ON
 GO
 SET QUOTED_IDENTIFIER ON
 GO
 -- =============================================
 -- Author:        <赵坤,,Name>
 -- Create date: <--,,>
 -- Description:    <查询detail页面中详细信息、图片信息、预定信息、>
 -- =============================================
 ALTER PROCEDURE [dbo].[sb_branch_img_Booking_review]
     @BranchID int
 AS
 BEGIN
     --详细信息
     select brr.*,brs.ScoreAvg from (SELECT d.ID,d.CityName,d.BranchName,d.Phone,d.BranchNameShort,d.MapAddress,d.Address,d.Introduction,d.Traffic,f.adjustmentprice,d.Longitude,d.Latitude from
 (select br.ID,ci.name as CityName,ci.name+'天天如家'+br.Name as BranchName,br.Name as BranchNameShort,br.Phone,br.MapAddress,br.Address,br.Introduction,br.Traffic,br.Longitude,br.Latitude
 from branch br inner join T_city ci on br.cityid=ci.id where br.id=@BranchID ) d
 ,(    select top  avg(h.MemberPrice+e.adjustmentprice) as adjustmentprice,max(h.branchID) as branchID
 from  dbo.HouseUnit h  left join Ebooking e on h.branchID=e.branchID where h.branchID=@BranchID and h.isvalid=  group by h.id order by adjustmentprice asc)
 f where d.ID=f.BranchID) brr ,(    SELECT b.BranchID,ISNULL(CAST(ROUND(SUM(r.CompositeScore) * 1.0 / COUNT(r.ID), ) AS float), )  AS ScoreAvg
  FROM   dbo.T_Review AS r LEFT OUTER JOIN  dbo.T_Bill AS b ON r.BillID = b.ID
   WHERE   (r.ReviewType = '') OR(r.ReviewType = '')
  GROUP BY b.BranchID) brs where brs.BranchId=brr.ID
     --图片
     select top  r.ID,r.RoomID,MasterPath=replace(r.MasterPath,'~',''),r.ThumbnailsUrl,r.AttachmentUrl,r.Description from T_RoomPicture r inner join HouseUnit h on r.RoomID=h.id  where  h.BranchID=@BranchID

 END

存储过程（二）