存储过程--分页与C#代码调用

存储过程：
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:<Author,,QiangWang>
-- Create date: <Create Date,,>
-- Description:<Description,分页,>
-- =============================================
ALTER PROCEDURE OrderInfoPage
@startRecordIndex INT, --分页页码
@pagesize int, --分页行数
@strWhere varchar(500), --查询条件
@strOrder varchar(200), --排序条件
@OUTpageCount INT OUT --输出记录条数
AS
BEGIN
DECLARE @SBegin int --开始记录数
DECLARE @EEnd int --结束记录数
DECLARE @strTmp NVARCHAR(1000) --当前条件下读取到的数据列
DECLARE @strSQL NVARCHAR(3000)
SET @SBegin=(@startRecordIndex-1)*@pagesize+1
SET @EEnd=@pagesize*@startRecordIndex
BEGIN
SET @strTmp='SELECT @OUTpageCount=count(1) FROM OrderInfo oi left join OrderDetail od on oi.OrderNum=od.OrderNum left join ProductInfo pi on
od.ProductID=pi.ID left join Store s on pi.StoreID=s.ID left join RandomCode rc on pi.FromID=rc.Random left join UserInfo ui
on oi.UserID=ui.ID left join UserAddress ua on oi.AddressID=ua.ID '+@strWhere
exec sp_executesql @strTmp,N'@OUTpageCount int out',@OUTpageCount OUT
END
BEGIN
--with as 子查询部分
--ROW_NUMBER() OVER 生成一个有顺序的行号,而他生成顺序的标准,就是后面紧跟的OVER(ORDER BY ID)
--还必须添加OVER语句以便告诉SQL Server你希望怎样添加行序号。

set @strSQL='with temptbl as (SELECT ROW_NUMBER() OVER (ORDER BY '+@strOrder+')AS Row, oi.ID as oiID,oi.Title, oi.AddTime,oi.Address,oi.CourierNumber,oi.GoodsTime,oi.IsPrint2,oi.OrderNum,oi.PayTime,oi.PayType,oi.PricePay,oi.PriceMust
,oi.SecurityCode,oi.SendType,oi.Status,oi.SoureType,oi.UserID,od.BarCode,od.ProductID,od.ProductName,od.Count,s.StoreName,pi.Brand,ui.WeiXinName,
ua.ConsigneeName,ua.ConsigneeMobile from OrderInfo oi left join OrderDetail od on oi.OrderNum=od.OrderNum left join ProductInfo pi on
od.ProductID=pi.ID left join Store s on pi.StoreID=s.ID left join UserInfo ui
on oi.UserID=ui.ID left join UserAddress ua on oi.AddressID=ua.ID '+@strWhere+')'
set @strSQL+='SELECT * FROM temptbl where Row between '+STR(@SBegin)+' and '+STR(@EEnd)
exec sp_executesql @strSQL,N'@startRecordIndex int,@strWhere varchar(500), @strOrder varchar(200)',@startRecordIndex ,@strWhere,@strOrder
END
END
GO

C#代码调用：

DataTable dt = Common.DbHelperSQL.ExecStoreProcedureForGettingTable(dir, "OrderInfoPage");//执行存储过程
int total = Common.DbHelperSQL.ExecStoreProcedureForGettingResult(dir, "OrderInfoPage");//总记录

/// <summary>
/// 封装执行存储过程
/// </summary>
/// <param name="parametersInstance">存储过程参数</param>
/// <param name="storedProcedureName">存储过程名称</param>
/// <returns></returns>
public static System.Data.DataTable ExecStoreProcedureForGettingTable(System.Collections.Generic.Dictionary<string, object> parametersInstance, string storedProcedureName)
{
using (SqlConnection con = new SqlConnection(connectionString))
{
try
{
//设置Sql
SqlCommand cmd = new SqlCommand(storedProcedureName, con);
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = 999;
if (parametersInstance != null)
{
foreach (KeyValuePair<string, object> item in parametersInstance)
{
SqlParameter parm = new SqlParameter(item.Key, item.Value);
cmd.Parameters.Add(parm);
}
}
DataTable dt = new DataTable(Guid.NewGuid().ToString());
SqlDataAdapter sdap = new SqlDataAdapter(cmd);
sdap.Fill(dt);
return dt;
}
catch (Exception er)
{
throw er;
}
}
}
/// <summary>
/// 返回受影响行数
/// </summary>
/// <param name="parametersInstance">存储过程参数</param>
/// <param name="storedProcedureName">存储过程名称</param>
/// <returns></returns>
public static int ExecStoreProcedureForGettingResult(System.Collections.Generic.Dictionary<string, object> parametersInstance, string storedProcedureName)
{
using (SqlConnection con = new SqlConnection(connectionString))
{
try
{
//设置Sql
SqlCommand cmd = new SqlCommand(storedProcedureName, con);
cmd.CommandType = CommandType.StoredProcedure;
cmd.CommandTimeout = 999;
if (parametersInstance != null)
{
foreach (KeyValuePair<string, object> item in parametersInstance)
{
SqlParameter parm = new SqlParameter(item.Key, item.Value);
cmd.Parameters.Add(parm);
}
cmd.Parameters["@OUTpageCount"].Direction = ParameterDirection.Output;
}
DataTable dt = new DataTable(Guid.NewGuid().ToString());
con.Open();
cmd.ExecuteNonQuery();
int num = (int)cmd.Parameters["@OUTpageCount"].Value;
con.Close();
return num;
}
catch (Exception er)
{
throw er;
}
}
}