實現千萬級數據的分頁顯示！

-- 獲取指定頁的數據
CREATE PROCEDURE GetRecordFromPage
    @tblName      varchar(255),       -- 表名
    @fldName      varchar(255),       -- 字段名
    @PageSize     int = 10,           -- 頁尺寸
    @PageIndex    int = 1,            -- 頁碼
    @IsCount      bit = 0,            -- 返回記錄總數, 非 0 值則返回
    @OrderType    bit = 0,            -- 設置排序類型, 非 0 值則降序
    @strWhere     varchar(1000) = ''  -- 查詢條件 (注意: 不要加 where)
AS

declare @strSQL   varchar(6000)       -- 主語句
declare @strTmp   varchar(100)        -- 臨時變量
declare @strOrder varchar(400)        -- 排序類型

if @OrderType != 0
begin
    set @strTmp = "<(select min"
    set @strOrder = " order by [" + @fldName +"] desc"
end
else
begin
    set @strTmp = ">(select max"
    set @strOrder = " order by [" + @fldName +"] asc"
end

set @strSQL = "select top " + str(@PageSize) + " * from ["
    + @tblName + "] where [" + @fldName + "]" + @strTmp + "(["
    + @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["
    + @fldName + "] from [" + @tblName + "]" + @strOrder + ") as tblTmp)"
    + @strOrder

if @strWhere != ''
    set @strSQL = "select top " + str(@PageSize) + " * from ["
        + @tblName + "] where [" + @fldName + "]" + @strTmp + "(["
        + @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["
        + @fldName + "] from [" + @tblName + "] where " + @strWhere + " "
        + @strOrder + ") as tblTmp) and " + @strWhere + " " + @strOrder

if @PageIndex = 1
begin
    set @strTmp = ""
    if @strWhere != ''
        set @strTmp = " where " + @strWhere

    set @strSQL = "select top " + str(@PageSize) + " * from ["
        + @tblName + "]" + @strTmp + " " + @strOrder
end

if @IsCount != 0
    set @strSQL = "select count(*) as Total from [" + @tblName + "]"

exec (@strSQL)

GO

-------------------------------

<%@LANGUAGE="VBSCRIPT" CODEPAGE="936"%>
<%
'分頁SQL語句生成代碼
Function GetPageSQL(tblName,fldName,PageSize,PageIndex,OrderType,strWhere)
Dim strTemp,strSQL,strOrder

    '根據排序方式生成相關代碼
    if OrderType=0 then
        strTemp=">(select max([" & fldName & "])"
        strOrder=" order by [" & fldName & "] asc"
    else
        strTemp="<(select min([" & fldName & "])"
        strOrder=" order by [" & fldName & "] desc"
    end if
    
    '若是第1頁則無須複雜的語句
    if PageIndex=1 then
        strTemp=""
        if strWhere<>"" then
            strTmp = " where " + strWhere
        end if
        strSQL = "select top " & PageSize & " * from [" & tblName & "]" & strTmp & strOrder
    else        '若不是第1頁，構造SQL語句
        strSQL="select top " & PageSize & " * from [" & tblName & "] where [" & fldName & "]" & strTemp & _
        " from (select top " & (PageIndex-1)*PageSize & " [" & fldName & "] from [" & tblName & "]"
        if strWhere<>"" then
            strSQL=strSQL & " where " & strWhere
        end if
        strSQL=strSQL & strOrder & ") as tblTemp)"
        if strWhere<>"" then
            strSQL=strSQL & " And " & strWhere
        end if
        strSQL=strSQL & strOrder
    end if
    GetPageSQL=strSQL        '返回SQL語句
End Function
response.write(GetPageSQL("message","messageid",10,1,0,""))
%>

來源：http://blog.csdn.net/Sun_Jianhua/archive/2004/07/04/33574.aspx