c#+sql分页存储过程

SQL code

表中主键必须为标识列，[ID] int IDENTITY (1,1)
  1.分页方案一：(利用Not In和SELECT TOP分页)
语句形式：   
SELECT TOP 10 *
FROM TestTable
WHERE (ID NOT IN
          (SELECT TOP 20 id
         FROM TestTable
         ORDER BY id))
ORDER BY ID


SELECT TOP 页大小 *
FROM TestTable
WHERE (ID NOT IN
          (SELECT TOP 页大小*页数 id
         FROM 表
         ORDER BY id))
ORDER BY ID
   2.分页方案二：(利用ID大于多少和SELECT TOP分页）
语句形式：  
SELECT TOP 10 *
FROM TestTable
WHERE (ID >
          (SELECT MAX(id)
         FROM (SELECT TOP 20 id
                 FROM TestTable
                 ORDER BY id) AS T))
ORDER BY ID


SELECT TOP 页大小 *
FROM TestTable
WHERE (ID >
          (SELECT MAX(id)
         FROM (SELECT TOP 页大小*页数 id
                 FROM 表
                 ORDER BY id) AS T))
ORDER BY ID
  3.分页方案三：(利用SQL的游标存储过程分页)

create  procedure SqlPager
@sqlstr nvarchar(4000), --查询字符串
@currentpage int, --第N页
@pagesize int --每页行数
as
set nocount on
declare @P1 int, --P1是游标的id
 @rowcount int
exec sp_cursoropen @P1 output,@sqlstr,@scrollopt=1,@ccopt=1, @rowcount=@rowcount output
select ceiling(1.0*@rowcount/@pagesize) as 总页数--,@rowcount as 总行数,@currentpage as 当前页 
set @currentpage=(@currentpage-1)*@pagesize+1
exec sp_cursorfetch @P1,16,@currentpage,@pagesize 
exec sp_cursorclose @P1
set nocount off

CREATE Procedure FramWorkPage
 @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,            --返回条数 
@OrderType bit             -- 设置排序类型,1 升序  0 值则降序
as
begin
    declare @strOrder varchar(400) -- 排序类型
    
    Begin Tran --开始事务
    Declare @sql nvarchar(4000);
    Declare @totalRecord int;    
    --计算总记录数    
    if (@SqlWhere ='''' or @SqlWhere='' or @sqlWhere is NULL)
        set @sql = 'select @totalRecord = count(*) from ' + @TableName
    else
        set @sql = 'select @totalRecord = count(*) from ' + @TableName + ' 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=@totalRecord --CEILING((@totalRecord+0.0)/@PageSize)

    if @OrderType = 0
        begin
            set @strOrder = ' order by [' + @OrderField +'] desc'
            --如果@OrderType是0，就执行降序，这句很重要！
        end
        else
        begin
            set @strOrder = ' order by [' + @OrderField +'] asc'
        end
   
    if (@SqlWhere ='''' or @SqlWhere='' or @sqlWhere is NULL)
        set @sql = 'Select * FROM (select ROW_NUMBER() Over( '+@strOrder+' ) as rowId,' + @Fields + ' from ' + @TableName 
    else
        set @sql = 'Select * FROM (select ROW_NUMBER() Over( '+@strOrder+' ) as rowId,' + @Fields + ' from ' + @TableName + ' 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

    if @OrderType = 0
        begin
            set @strOrder = ' order by rowid desc'
            --如果@OrderType是0，就执行降序，这句很重要！
        end
        else
        begin
            set @strOrder = ' order by rowid asc'
        end
    --继续合成sql语句
    set @Sql = @Sql + ') as ' + @TableName + ' where rowId between ' + Convert(varchar(50),@StartRecord) + ' and ' +  Convert(varchar(50),@EndRecord) + ' '+@strOrder
   --   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