CREATE PROC [dbo].[Mypage] @tableName SYSNAME,-- 表名
@keyField NVARCHAR(1000),-- 主键,多个主键有逗号分隔开
@pageIndex INT=1,-- 要显示的页码
@pageSize INT=10,-- 每页的大小(记录数)
@fieldName NVARCHAR(1000)='',-- 要显示的字段列表
@sortName NVARCHAR(1000)='',-- 以逗号分隔的排序字段列表(如:id asc,Name asc)用于指定排序顺序
@strWhere NVARCHAR(1000)='',-- 查询条件
@recordCount INT=0 OUTPUT,-- 总记录数
@pageCount INT=0 OUTPUT -- 总页数
AS
SET NOCOUNT ON
--检查对象是否有效
IF Object_id(@tableName) IS NULL
BEGIN
RAISERROR(N'对象"%s"不存在',1,16,@tableName)
RETURN
END
IF Objectproperty(Object_id(@tableName), N'IsTable') = 0
AND Objectproperty(Object_id(@tableName), N'IsView') = 0
AND Objectproperty(Object_id(@tableName), N'IsTableFunction') = 0
BEGIN
RAISERROR(N'"%s"不是表,视图或者表值函数',1,16,@tableName)
RETURN
END
--分页字段检查
IF Isnull(@keyField, N'') = ''
BEGIN
RAISERROR(N'分页处理需要主键(或者惟一键)',1,16)
RETURN
END
--?其它参数检查及规范
IF Isnull(@pageIndex, 0) < 1
SET @pageIndex=1
IF Isnull(@pageSize, 0) < 1
SET @pageSize=10
IF Isnull(@fieldName, N'') = N''
SET @fieldName=N'*'
IF Isnull(@sortName, N'') = N''
SET @sortName=N''
ELSE
SET @sortName=N'ORDER BY ' + Ltrim(@sortName)
IF Isnull(@strWhere, N'') = N''
SET @strWhere=N''
ELSE
SET @strWhere=N'WHERE (' + @strWhere + N')'
--如果为NULL值,则计算总页数(可以只在第一次计算总页数,以后调用时,把总页数传回给存储过程,避免再次计算,对于不想计算总页数,可以给@pageCount赋值)
IF @pageCount IS NULL
BEGIN
DECLARE @sql NVARCHAR(4000)
SET @sql=N'SELECT @recordCount=COUNT(*)' + N' FROM '
+ @tableName + N' ' + @strWhere
EXEC Sp_executesql
@sql,
N'@recordCount int OUTPUT',
@recordCount OUTPUT
SET @pageCount=Ceiling(@recordCount * 1.0 / @pageSize)
END
--计算分页显示 top N 值
DECLARE @TopN VARCHAR(20),
@TopN1 VARCHAR(20)
SELECT @TopN = @pageSize,
@TopN1 = @pageIndex * @pageSize
--第一页直接显示
IF @pageIndex = 1
EXEC(N'SELECT TOP '+@TopN +N' '+@fieldName +N' FROM '+@tableName +N' '+@strWhere +N' '+@sortName)
ELSE
BEGIN
--生成主键(唯一键)处理条件
DECLARE @Where1 NVARCHAR(4000),
@s NVARCHAR(1000)
SELECT @Where1 = N'',
@s = @keyField
WHILE Charindex(N',', @s) > 0
SELECT @s = Stuff(@s, 1, Charindex(N',', @s), N''),
@Where1 = @Where1 + N' AND a.'
+ LEFT(@s, Charindex(N',', @s)-1) + N'='
+ LEFT(@s, Charindex(N',', @s)-1)
SELECT @Where1 = Stuff(@Where1 + N' AND a.' + @s + N'=' + @s, 1, 5, N''),
@TopN = @TopN1 - @pageSize
EXEC(N'SET ROWCOUNT '+@TopN1 +N' SELECT '+@keyField +N' INTO # FROM '+@tableName +N' '+@strWhere +N' '+@sortName +N' SET ROWCOUNT '+@TopN +N' DELETE FROM #' +N' SELECT '+@fieldName +N' FROM '+@tableName +N' a WHERE EXISTS(SELECT * FROM # WHERE '+@Where1 +N') '+@sortName)
END
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
BindGridViewData();
}
}
protected void GridView1_RowDataBound(object sender, GridViewRowEventArgs e)
{
#region 如果是绑定数据行,鼠标滑过变色
if (e.Row.RowType == DataControlRowType.DataRow)
{
//鼠标经过时，行背景色变
e.Row.Attributes["onmouseover"] = "ItemOver(this)";
//鼠标经过行变成手形
//e.Row.Style.Add("cursor", "hand");
}
#endregion
#region 鼠标单击行，打开窗口同时传出参数ID
//string ID = String.Empty;
//for (int i = 0; i < grvTestTable.Rows.Count; i++)
//{
// ID = grvTestTable.DataKeys[i].Value.ToString();
// grvTestTable.Rows[i].Attributes.Add("onclick", "window.open('Detail.aspx?PKID="+ID+" ')");
//}
#endregion
}
private void BindGridViewData()
{
string strCondition = "";
MSCL.PageHelper wp = new MSCL.PageHelper();
wp.TableName = "AFM_EmailMessage";
wp.KeyField = "EID";
wp.SortName = "EID";
wp.Condition = strCondition;
wp.CurrentPageIndex = AspNetPager1.CurrentPageIndex;
wp.PageSize = AspNetPager1.PageSize;//=PageSize;
DataTable dt = wp.GetDataTableMyPage();
AspNetPager1.RecordCount = wp.RecordCount;
grvAFM_EmailMessage.DataSource = dt;
grvAFM_EmailMessage.DataBind();
AspNetPager1.CustomInfoHTML = " 共<font color='#FF8000'><b>" + wp.RecordCount.ToString() + "</b></font>条记录/";
AspNetPager1.CustomInfoHTML += " <font color=#FF8000'><b>" + wp.PageCount.ToString() + "</b></font>页";
AspNetPager1.CustomInfoHTML += " 当前第<font color=\"red\"><b>" + AspNetPager1.CurrentPageIndex.ToString() + "</b></font>页";
/*
MSCL.PageHelper p = new PageHelper();
p.CurrentPageIndex = AspNetPager1.CurrentPageIndex;
p.FieldsName = "*";
p.KeyField = "d_id";
p.SortName = "d_id asc";
p.TableName = "testtable";
p.EndCondition = "count(*)";
p.PageSize = AspNetPager1.PageSize;
DataTable dt = p.QueryPagination();
AspNetPager1.RecordCount = p.RecordCount;
Repeater1.DataSource = dt;
Repeater1.DataBind();
AspNetPager1.CustomInfoHTML = " 共<b>" + p.RecordCount + "</b>条记录/";
AspNetPager1.CustomInfoHTML += "<b>" + p.PageCount + "</b>页";
AspNetPager1.CustomInfoHTML += " 当前第<font color=\"red\"><b>" + p.CurrentPageIndex + "</b></font>页";
*/
}
protected void AspNetPager1_PageChanged(object sender, EventArgs e)
{
BindGridViewData();
}
CREATE PROC P_viewPage
/*
敬告：适用于单一主键或存在唯一值列的表或视图
*/
@TableName VARCHAR(200), --表名
@FieldList VARCHAR(2000), --显示列名，如果是全部字段则为*
@PrimaryKey VARCHAR(100), --单一主键或唯一值键
@Where VARCHAR(2000), --查询条件 不含'where'字符，如id>10 and len(userid)>9
@Order VARCHAR(1000), --排序 不含'order by'字符，如id asc,userid desc，必须指定asc或desc
--注意当@SortType=3时生效，记住一定要在最后加上主键，否则会让你比较郁闷
@SortType INT, --排序规则 1:正序asc 2:倒序desc 3:多列排序方法
@RecorderCount INT, --记录总数 0:会返回总记录
@PageSize INT, --每页输出的记录数
@PageIndex INT, --当前页数
@TotalCount INT OUTPUT, --记返回总记录
@TotalPageCount INT OUTPUT --返回总页数
AS
SET NOCOUNT ON
IF ISNULL(@TotalCount,'') = '' SET @TotalCount = 0
SET @Order = RTRIM(LTRIM(@Order))
SET @PrimaryKey = RTRIM(LTRIM(@PrimaryKey))
SET @FieldList = REPLACE(RTRIM(LTRIM(@FieldList)),' ','')
WHILE CHARINDEX(', ',@Order) > 0 OR CHARINDEX(' ,',@Order) > 0
BEGIN
SET @Order = REPLACE(@Order,', ',',')
SET @Order = REPLACE(@Order,' ,',',')
END
IF ISNULL(@TableName,'') = '' OR ISNULL(@FieldList,'') = ''
OR ISNULL(@PrimaryKey,'') = ''
OR @SortType < 1 OR @SortType >3
OR @RecorderCount < 0 OR @PageSize < 0 OR @PageIndex < 0
BEGIN
PRINT('ERR_00')
RETURN
END
IF @SortType = 3
BEGIN
IF (UPPER(RIGHT(@Order,4))!=' ASC' AND UPPER(RIGHT(@Order,5))!=' DESC')
BEGIN PRINT('ERR_02') RETURN END
END
DECLARE @new_where1 VARCHAR(1000)
DECLARE @new_where2 VARCHAR(1000)
DECLARE @new_order1 VARCHAR(1000)
DECLARE @new_order2 VARCHAR(1000)
DECLARE @new_order3 VARCHAR(1000)
DECLARE @Sql VARCHAR(8000)
DECLARE @SqlCount NVARCHAR(4000)
IF ISNULL(@where,'') = ''
BEGIN
SET @new_where1 = ' '
SET @new_where2 = ' WHERE '
END
ELSE
BEGIN
SET @new_where1 = ' WHERE ' + @where
SET @new_where2 = ' WHERE ' + @where + ' AND '
END
IF ISNULL(@order,'') = '' OR @SortType = 1 OR @SortType = 2
BEGIN
IF @SortType = 1
BEGIN
SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' ASC'
SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' DESC'
END
IF @SortType = 2
BEGIN
SET @new_order1 = ' ORDER BY ' + @PrimaryKey + ' DESC'
SET @new_order2 = ' ORDER BY ' + @PrimaryKey + ' ASC'
END
END
ELSE
BEGIN
SET @new_order1 = ' ORDER BY ' + @Order
END
IF @SortType = 3 AND CHARINDEX(','+@PrimaryKey+' ',','+@Order)>0
BEGIN
SET @new_order1 = ' ORDER BY ' + @Order
SET @new_order2 = @Order + ','
SET @new_order2 = REPLACE(REPLACE(@new_order2,'ASC,','{ASC},'),'DESC,','{DESC},')
SET @new_order2 = REPLACE(REPLACE(@new_order2,'{ASC},','DESC,'),'{DESC},','ASC,')
SET @new_order2 = ' ORDER BY ' + SUBSTRING(@new_order2,1,LEN(@new_order2)-1)
IF @FieldList <> '*'
BEGIN
SET @new_order3 = REPLACE(REPLACE(@Order + ',','ASC,',','),'DESC,',',')
SET @FieldList = ',' + @FieldList
WHILE CHARINDEX(',',@new_order3)>0
BEGIN
IF CHARINDEX(SUBSTRING(','+@new_order3,1,CHARINDEX(',',@new_order3)),','+@FieldList+',')>0
BEGIN
SET @FieldList =
@FieldList + ',' + SUBSTRING(@new_order3,1,CHARINDEX(',',@new_order3))
END
SET @new_order3 =
SUBSTRING(@new_order3,CHARINDEX(',',@new_order3)+1,LEN(@new_order3))
END
SET @FieldList = SUBSTRING(@FieldList,2,LEN(@FieldList))
END
END
SET @SqlCount = 'SELECT @TotalCount=COUNT(*),@TotalPageCount=CEILING((COUNT(*)+0.0)/'
+ CAST(@PageSize AS VARCHAR)+') FROM ' + @TableName + @new_where1
IF @RecorderCount = 0
BEGIN
EXEC SP_EXECUTESQL @SqlCount,N'@TotalCount INT OUTPUT,@TotalPageCount INT OUTPUT',
@TotalCount OUTPUT,@TotalPageCount OUTPUT
END
ELSE
BEGIN
SELECT @TotalCount = @RecorderCount
END
IF @PageIndex > CEILING((@TotalCount+0.0)/@PageSize)
BEGIN
SET @PageIndex = CEILING((@TotalCount+0.0)/@PageSize)
END
IF @PageIndex = 1 OR @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize)
BEGIN
IF @PageIndex = 1 --返回第一页数据
BEGIN
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '
+ @TableName + @new_where1 + @new_order1
END
IF @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize) --返回最后一页数据
BEGIN
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('
+ 'SELECT TOP ' + STR(ABS(@PageSize*@PageIndex-@TotalCount-@PageSize))
+ ' ' + @FieldList + ' FROM '
+ @TableName + @new_where1 + @new_order2 + ' ) AS TMP '
+ @new_order1
END
END
ELSE
BEGIN
IF @SortType = 1 --仅主键正序排序
BEGIN
IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索
BEGIN
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '
+ @TableName + @new_where2 + @PrimaryKey + ' > '
+ '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP '
+ STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey
+ ' FROM ' + @TableName
+ @new_where1 + @new_order1 +' ) AS TMP) '+ @new_order1
END
ELSE --反向检索
BEGIN
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('
+ 'SELECT TOP ' + STR(@PageSize) + ' '
+ @FieldList + ' FROM '
+ @TableName + @new_where2 + @PrimaryKey + ' < '
+ '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP '
+ STR(@TotalCount-@PageSize*@PageIndex) + ' ' + @PrimaryKey
+ ' FROM ' + @TableName
+ @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2
+ ' ) AS TMP ' + @new_order1
END
END
IF @SortType = 2 --仅主键反序排序
BEGIN
IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索
BEGIN
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '
+ @TableName + @new_where2 + @PrimaryKey + ' < '
+ '(SELECT MIN(' + @PrimaryKey + ') FROM (SELECT TOP '
+ STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey
+' FROM '+ @TableName
+ @new_where1 + @new_order1 + ') AS TMP) '+ @new_order1
END
ELSE --反向检索
BEGIN
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('
+ 'SELECT TOP ' + STR(@PageSize) + ' '
+ @FieldList + ' FROM '
+ @TableName + @new_where2 + @PrimaryKey + ' > '
+ '(SELECT MAX(' + @PrimaryKey + ') FROM (SELECT TOP '
+ STR(@TotalCount-@PageSize*@PageIndex) + ' ' + @PrimaryKey
+ ' FROM ' + @TableName
+ @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2
+ ' ) AS TMP ' + @new_order1
END
END
IF @SortType = 3 --多列排序，必须包含主键，且放置最后，否则不处理
BEGIN
IF CHARINDEX(',' + @PrimaryKey + ' ',',' + @Order) = 0
BEGIN PRINT('ERR_02') RETURN END
IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索
BEGIN
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '
+ 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '
+ ' SELECT TOP ' + STR(@PageSize*@PageIndex) + ' ' + @FieldList
+ ' FROM ' + @TableName + @new_where1 + @new_order1 + ' ) AS TMP '
+ @new_order2 + ' ) AS TMP ' + @new_order1
END
ELSE --反向检索
BEGIN
SET @Sql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '
+ 'SELECT TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '
+ ' SELECT TOP ' + STR(@TotalCount-@PageSize*@PageIndex+@PageSize) + ' ' + @FieldList
+ ' FROM ' + @TableName + @new_where1 + @new_order2 + ' ) AS TMP '
+ @new_order1 + ' ) AS TMP ' + @new_order1
END
END
END
PRINT(@Sql)
EXEC(@Sql)
GO
--利用ROW_NUMBER快速分页
ALTER PROCEDURE [dbo].[pr_Pagination]
@TableName varchar(500), --要进行分页的表，也可以用联接，如dbo.employee或dbo.employee INNER JOIN dbo.jobs ON (dbo.employee.job_id=dbo.jobs.job_id)
@Fields varchar(500), --表中的字段，可以使用*代替
@OrderField varchar(500), --要排序的字段
@SqlWhere varchar(max), --WHERE子句
@PageSize int, --分页的大小
@PageIndex int, --要显示的页的索引
@TotalRecord int output,--记录总数
@TotalPage int output, --页的总数
@WholeContion varchar (1000) --存储过程中的条件
as
begin
--Begin Tran
Declare @sql nvarchar(4000);
Declare @Record int; --记录总数
--利用WHERE子句进行过滤
if (isnumeric(@WholeContion)=1 )
begin
set @sql = 'select @Record = count(*) from ' + @TableName + ' where 1=1 ' + @SqlWhere
EXEC sp_executesql @sql,N'@Record int OUTPUT',@Record OUTPUT
if (CAST(@WholeContion as int ) < @Record )
begin
set @Record = CAST(@WholeContion as int )
end
end
else
begin
set @sql = 'select @Record = ' + @WholeContion + ' from ' + @TableName + ' where 1=1 ' + @SqlWhere
--执行sql语句得到记录总数
EXEC sp_executesql @sql,N'@Record int OUTPUT',@Record OUTPUT
end
select @TotalPage=CEILING((@Record+0.0)/@PageSize)
select @TotalRecord=@Record
--select @TotalRecord
--select @TotalPage
--根据特定的排序字段为为行分配唯一ROW_NUMBER的顺序
set @sql = 'select * from (select ROW_NUMBER() over(order by ' + @OrderField + ') as rowId,' + @Fields + ' from ' + @TableName + ' where 1=1 ' + @SqlWhere
--确保当前页的索引在合理的范围之内
if @PageIndex<=0
Set @PageIndex = 1
--得到当前页在整个结果集中准确的ROW_NUMBER值
Declare @StartRecord int
Declare @EndRecord int
set @StartRecord = (@PageIndex-1)*@PageSize + 1
set @EndRecord = @StartRecord + @PageSize - 1
--输出当前页中的数据
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
--End
--Else
--Begin
--Commit Tran
--End
end