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SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE proc [dbo].[up_Page2005]
@TableName varchar(50), --表名
@Fields varchar(5000) = '*', --字段名(全部字段为*)
@OrderField varchar(5000), --排序字段(必须!支持多字段)
@sqlWhere varchar(5000) = Null,--条件语句(不用加where)
@pageSize int, --每页多少条记录
@pageIndex int = 1 , --指定当前为第几页
@TotalPage int output --返回总页数
as
begin
Begin Tran --开始事务
Declare @sql nvarchar(4000);
Declare @totalRecord int;
--计算总记录数
if (@SqlWhere='' or @sqlWhere=NULL)
set @sql = 'select @totalRecord = count(*) from ' + @TableName
else
set @sql = 'select @totalRecord = count(*) from ' + @TableName + ' with(nolock) where ' + @sqlWhere
EXEC sp_executesql @sql,N'@totalRecord int OUTPUT',@totalRecord OUTPUT--计算总记录数
--计算总页数
select @TotalPage=CEILING((@totalRecord+0.0)/@PageSize)
if (@SqlWhere='' or @sqlWhere=NULL)
set @sql = 'Select * FROM (select ROW_NUMBER() Over(order by ' + @OrderField + ') as rowId,' + @Fields + ' from ' + @TableName
else
set @sql = 'Select * FROM (select ROW_NUMBER() Over(order by ' + @OrderField + ') as rowId,' + @Fields + ' from ' + @TableName + ' with(nolock) where ' + @SqlWhere
--处理页数超出范围情况
if @PageIndex<=0
Set @pageIndex = 1
if @pageIndex>@TotalPage
Set @pageIndex = @TotalPage
--处理开始点和结束点
Declare @StartRecord int
Declare @EndRecord int
set @StartRecord = (@pageIndex-1)*@PageSize + 1
set @EndRecord = @StartRecord + @pageSize - 1
--继续合成sql语句
set @Sql = @Sql + ') as t where rowId between ' + Convert(varchar(50),@StartRecord) + ' and ' + Convert(varchar(50),@EndRecord)
print @sql
Exec(@Sql)
---------------------------------------------------
If @@Error <> 0
Begin
RollBack Tran
Return -1
End
Else
Begin
Commit Tran
Return @totalRecord ---返回记录总数
End
end
/****** 对象: StoredProcedure [dbo].[up_Page2005V2] 脚本日期: 05/21/2008 11:27:15 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author: <Author,,Name>
-- Create date: <Create Date,,>
-- Description: <Description,,>
-- =============================================
CREATE PROCEDURE [dbo].[up_Page2005V2]
@TableName varchar(50), --表名
@Fields varchar(5000) = '*', --字段名(全部字段为*)
@OrderField varchar(5000), --排序字段(必须!支持多字段)
@sqlWhere varchar(5000) = Null,--条件语句(不用加where)
@pageSize int, --每页多少条记录
@pageIndex int = 1 , --指定当前为第几页
@totalRecord int = 0,
@TotalPage int output --返回总页数
AS
BEGIN
Begin Tran --开始事务
Declare @sql nvarchar(4000);
if @totalRecord<=0 begin
--计算总记录数
if (@SqlWhere='' or @sqlWhere=NULL)
set @sql = 'select @totalRecord = count(*) from ' + @TableName
else
set @sql = 'select @totalRecord = count(*) from ' + @TableName + ' with(nolock) where ' + @sqlWhere
EXEC sp_executesql @sql,N'@totalRecord int OUTPUT',@totalRecord OUTPUT--计算总记录数
end
--计算总页数
select @TotalPage=CEILING((@totalRecord+0.0)/@PageSize)
if (@SqlWhere='' or @sqlWhere=NULL)
set @sql = 'Select * FROM (select ROW_NUMBER() Over(order by ' + @OrderField + ') as rowId,' + @Fields + ' from ' + @TableName
else
set @sql = 'Select * FROM (select ROW_NUMBER() Over(order by ' + @OrderField + ') as rowId,' + @Fields + ' from ' + @TableName + ' with(nolock) where ' + @SqlWhere
--处理页数超出范围情况
if @PageIndex<=0
Set @pageIndex = 1
if @pageIndex>@TotalPage
Set @pageIndex = @TotalPage
--处理开始点和结束点
Declare @StartRecord int
Declare @EndRecord int
set @StartRecord = (@pageIndex-1)*@PageSize + 1
set @EndRecord = @StartRecord + @pageSize - 1
--继续合成sql语句
set @Sql = @Sql + ') as t where rowId between ' + Convert(varchar(50),@StartRecord) + ' and ' + Convert(varchar(50),@EndRecord)
print @sql
Exec(@Sql)
---------------------------------------------------
If @@Error <> 0
Begin
RollBack Tran
Return -1
End
Else
Begin
Commit Tran
Return @totalRecord ---返回记录总数
End
END
GO
public IList<ProductInfo> GetProductsByCategoryId(int CategoryId,ref PageInfo pgInfo)
{
SqlParameter[] param = new SqlParameter[4];
param[0] = new SqlParameter("@CategoryId", CategoryId);
param[1] = new SqlParameter("@PageIndex", pgInfo.PageIndex);
param[2] = new SqlParameter("@PageSize", pgInfo.PageSize);
param[3] = new SqlParameter("@PageCount", pgInfo.PageCount);
param[3].Direction = ParameterDirection.Output;
string sqlCmd = "EXEC GetPage 'MyShop_Products','ProductId,ImgUrl,ProductName,MarketPrice,SalePrice','ProductId DESC',CategoryId=@CategoryId ,@PageSize,@PageIndex,@PageCount OUTPUT";
IList<ProductInfo> ProductList = new List<ProductInfo>();
DataTable Table = SQLHelper.ExecuteTable(CommandType.Text, sqlCmd, param);
pgInfo.PageCount = Convert.ToInt32(param[3].Value); //将总页数赋给PageInfo
foreach (DataRow Row in Table.Rows)
{
ProductInfo newPro = new ProductInfo();
newPro.ProductId = Convert.ToInt32(Row[1]);
newPro.ImgUrl = Convert.ToString(Row[2]);
if (newPro.ImgUrl == "")
{
newPro.ImgUrl = "/images/nopic.jpg";
}
newPro.ProductName = Convert.ToString(Row[3]);
newPro.MarketPrice = Convert.ToDecimal(Row[4]);
newPro.SalePrice = Convert.ToDecimal(Row[5]);
ProductList.Add(newPro);
}
return ProductList;
}