sql2005存储过程分页及ASP.NET分页类的实现

using  System;
using  System.Collections.Generic;
using  System.Text;
using  System.Data;
using  System.Data.SqlClient;
using  System.Configuration;
using  CerEgip.DAL;
namespace  CerEgip.Common
{
     ///   <summary>
     ///  分页类,通过存储过程进行分页
     ///   </summary>
     public   class  Pager
    {
         #region  参数
         private   int  pageIndex  =   1 ;
         private   int  recordCount  =   0 ;
         private   int  pageSize  =   20 ;
         private   int  pageCount  =   0 ;
         private   int  rowCount  =   0 ;
         private   string  tableName  =   "" ;
         private   string  whereCondition  =   " 1=1 " ;
         private   string  selectStr  =   " * " ;
         private   string  order  =   "" ;
         private   string  procedure  =   " pager " ;
         private   bool  orderType  =   true ;
         private   string  _FirstStr  =   "" ;
         private   string  _PrevStr  =   "" ;
         private   string  _NextStr  =   "" ;
         private   string  _LastStr  =   "" ;
         private   string  _TurnUrlStr  =   "" ;
         private   string  _Options  =   "" ;
         private   string  strCountww  =   "" ;   // 共N条信息
         private   string  strPageww  =   "" ;     // 第N页/共N页    
         private   string  strTurnww;   // 跳转控件
         private   string  pageindexName  =   " page " ;



         ///   <summary>
         ///  所要操作的存储过程名称,已有默认的分页存储过程
         ///   </summary>
         public   string  Procedure
        {
             get
            {
                 return   this .procedure;
            }
             set
            {
                 if  (value  ==   null   ||  value.Length  <=   0 )
                {
                     this .procedure  =   " pager " ;
                }
                 else
                {
                     this .procedure  =  value;
                }
            }
        }


         ///   <summary>
         ///  当前所要显示的页面数
         ///   </summary>
         public   int  PageIndex
        {
             get
            {
                 return   this .pageIndex;
            }
             set
            {
                 this .pageIndex  =  value;
            }
        }


         ///   <summary>
         ///  总的页面数
         ///   </summary>
         public   int  PageCount
        {
             get
            {
                 return   this .pageCount;
            }
             set
            {
                 this .pageCount  =  value;
            }
        }


         ///   <summary>
         ///  总行数
         ///   </summary>
         public   int  RecordCount
        {
             get
            {
                 return   this .recordCount;
            }
             set
            {
                 this .recordCount  =  value;
            }
        }


         ///   <summary>
         ///  每页条数
         ///   </summary>
         public   int  PageSize
        {
             get
            {
                 return   this .pageSize;
            }
             set
            {
                 this .pageSize  =  value;
            }
        }


         ///   <summary>
         ///  表名称
         ///   </summary>
         public   string  TableName
        {
             get
            {
                 return  tableName;
            }
             set
            {
                 this .tableName  =  value;
            }
        }


         ///   <summary>
         ///  条件查询
         ///   </summary>
         public   string  WhereCondition
        {
             get
            {
                 return  whereCondition;
            }
             set
            {
                whereCondition  =  value;
            }
        }


         ///   <summary>
         ///  查询目标(搜索目标),比如:AddTime AS 时间,ID AS 编号
         ///   </summary>
         public   string  SelectStr
        {
             get
            {
                 return  selectStr;
            }
             set
            {
                selectStr  =  value;
            }
        }


         ///   <summary>
         ///  排序表达式
         ///   </summary>
         public   string  Order
        {
             get
            {
                 return  order;
            }
             set
            {
                order  =  value;
            }
        }
         ///   <summary>
         ///  排序类型 true:asc false:desc
         ///   </summary>
         public   bool  OrderType
        {
             get
            {
                 return  orderType;
            }
             set
            {
                orderType  =  value;
            }
        }
         ///   <summary>
         ///  得到当前返回的数量
         ///   </summary>
         public   int  RowCount
        {
             get
            {
                 return   this .rowCount;
            }
        }
         ///   <summary>
         ///  首页 显示样式
         ///   </summary>
         public   string  FirstStr
        {
             get  {  return  _FirstStr; }
             set  { _FirstStr  =  value; }
        }

         ///   <summary>
         ///  上一页 显示样式
         ///   </summary>
         public   string  PrevStr
        {
             get  {  return  _PrevStr; }
             set  { _PrevStr  =  value; }
        }

         ///   <summary>
         ///  下一页 显示样式
         ///   </summary>
         public   string  NextStr
        {
             get  {  return  _NextStr; }
             set  { _NextStr  =  value; }
        }
         ///   <summary>
         ///  尾页 显示样式
         ///   </summary>
         public   string  LastStr
        {
             get  {  return  _LastStr; }
             set  { _LastStr  =  value; }
        }
         ///   <summary>
         ///  跳转 的url链接
         ///   </summary>
         public   string  TurnUrlStr
        {
             get  {  return  _TurnUrlStr; }
             set  { _TurnUrlStr  =  value; }
        }
         ///   <summary>
         ///  跳转的url链接的参数前面不要加问号和与号
         ///   </summary>
         public   string  Options
        {
             get  {  return  _Options; }
             set  { _Options  =  value; }
        }
         ///   <summary>
         ///  分页参数名称
         ///   </summary>
         public   string  PageIndexName
        {
             get  {  return  pageindexName; }
             set  { pageindexName  =  value; }
        }
         #endregion  参数
         ///   <summary>
         ///  分页查寻结果
         ///   </summary>
         public  DataTable GetDatas( int  pageIndex)
        {
             this .pageIndex  =  pageIndex;
            Pager pager  =   this ;
            DataTable returnTb  =  Pagination( ref  pager).Tables[ 0 ];
             this .rowCount  =  returnTb.Rows.Count;
             return  returnTb;
        }

         ///   <summary>
         ///  分页操作存储过程函数
         ///   </summary>
         ///   <param name="pager"> Pager </param>
         ///   <returns> 返回DataSet </returns>
         private  DataSet Pagination( ref  Pager pager)
        {
            SqlParameter[] par  =   new  SqlParameter[ 8 ];
            par[ 0 ]  =   new  SqlParameter( " @TableName " ,SqlDbType.NVarChar, 200 );
            par[ 0 ].Value  =  pager.TableName;
            par[ 1 ]  =   new  SqlParameter( " @orderBy " , SqlDbType.NVarChar,  200 );
            par[ 1 ].Value  =  pager.Order;
            par[ 2 ]  =   new  SqlParameter( " @fieldlist " ,SqlDbType.NVarChar, 200 );
            par[ 2 ].Value  =  pager.SelectStr;
            par[ 3 ]  =   new  SqlParameter( " @WhereCondition " , SqlDbType.NVarChar,  200 );
            par[ 3 ].Value  =  pager.WhereCondition;
            par[ 4 ]  =   new  SqlParameter( " @PageIndex " ,SqlDbType.Int);
            par[ 4 ].Value  =  pager.pageIndex;
            par[ 5 ]  =   new  SqlParameter( " @pageSize " ,SqlDbType.Int);
            par[ 5 ].Value  =  pager.PageSize;
            par[ 6 ]  =   new  SqlParameter( " @RecordCount " ,SqlDbType.Int);
            par[ 6 ].Direction  =  ParameterDirection.InputOutput;
            par[ 7 ]  =   new  SqlParameter( " @PageCount " ,SqlDbType.Int);
            par[ 7 ].Direction  =  ParameterDirection.InputOutput;
            DataSet ds  =  SqlHelper.ExecuteDataset(CommandType.StoredProcedure,pager.Procedure,par);
            pager.RecordCount  =  ( int )par[ 6 ].Value;
            pager.pageCount  =  ( int )par[ 7 ].Value;
             return  ds;
        }
         #region  返回分页后的页码显示
         ///   <summary>
         ///  返回分页后的页码显示
         ///   </summary>
         ///   <param name="bolCount"> 是否显示 共N条信息 </param>
         ///   <param name="bolPage"> 是否显示 第N页/共N页 </param>
         ///   <param name="bolFirst"> 是否显示 首页 </param>
         ///   <param name="bolLast"> 是否显示 尾页 </param>
         ///   <param name="bolTurn"> 是否显示 跳转控件 </param>
         ///   <param name="IsChinese"> 是否 用中文显示 </param>
         ///   <param name="intStyle"> 样式选择 1:字符 2:符号 </param>
         ///   <param name="intShowNum"> 每页显示多少个数字 </param>
         ///   <param name="isHtml"> 是否HTML分页 </param>
         ///   <param name="exName"> 如果为HTML分页,要输入HTML后缀名 </param>
         ///   <returns> 返回分页后的页码显示 </returns>
         public   string  GetShowPageStr( bool  bolCount,  bool  bolPage,  bool  bolFirst,  bool  bolLast,  bool  bolTurn,  bool  IsChinese,  int  intStyle,  int  intShowNum, bool  isHtml, string  exName)
        {
             string  strPageShowww  =   "" ;
             string  _FirstStr2  =   "" ;
             string  _PrevStr2  =   "" ;
             string  _NextStr2  =   "" ;
             string  _LastStr2  =   "" ;

              #region  公共处理
             // 总页数
            pageCount  =  (recordCount  +  pageSize  -   1 )  /  pageSize;

             // 超出最小页码
             if  (pageIndex  <   1 )
            {
                pageIndex  =   1 ;
            }

             // 超出最大页码
             if  (pageIndex  >  pageCount)
            {
                pageIndex  =  pageCount;
            }


             if  (IsChinese) // 中文分页
            {
                 // 跳转
                strTurnww  =   " <input value=' "   +  pageIndex.ToString()  +   " ' id='txtPageGo' name='txtPageGo' type='text' style='width:35px;'><input name='btnGo' type='button' id='btnGo' value='跳转' onclick=\ " javascript:window.location.href = ' " + _TurnUrlStr + "?Page= '   +  document.getElementById( ' txtPageGo ' ).value  +   ' " + "&" + Options + " ' \ " > " ;
                 // 共N条信息
                strCountww  =   " 共  "   +  recordCount.ToString()  +   "  条信息 " ;
                 // 第N页/共N页
                strPageww  =   " 第 "   +  pageIndex.ToString()  +   " 页/共 "   +  pageCount.ToString()  +   " 页 " ;

                 // 处理页码显示样式
                 if  (intStyle  ==   1 )
                {
                     if  (_FirstStr  ==   "" )
                    {
                        _FirstStr  =   " 首页 " ;
                    }
                     if  (_PrevStr  ==   "" )
                    {
                        _PrevStr  =   " 上一页 " ;
                    }
                     if  (_NextStr  ==   "" )
                    {
                        _NextStr  =   " 下一页 " ;
                    }
                     if  (_LastStr  ==   "" )
                    {
                        _LastStr  =   " 尾页 " ;
                    }
                }
                 else
                {
                     if  (_FirstStr  ==   "" )
                    {
                        _FirstStr  =   "  <<  " ;
                    }
                     if  (_PrevStr  ==   "" )
                    {
                        _PrevStr  =   "  <  " ;
                    }
                     if  (_NextStr  ==   "" )
                    {
                        _NextStr  =   "  >  " ;
                    }
                     if  (_LastStr  ==   "" )
                    {
                        _LastStr  =   "  >>  " ;
                    }
                }
            }
             else // 英文文分页
            {
                 // 跳转
                strTurnww  =   " <input value=' "   +  pageIndex.ToString()  +   " ' id='txtPageGo' name='txtPageGo' type='text' style='width:35px;'><input name='btnGo' type='button' id='btnGo' value='Goto' onclick=\ " javascript:window.location.href = ' " + _TurnUrlStr + "?Page= '   +  document.getElementById( ' txtPageGo ' ).value  +   ' " + "&" + Options + " ' \ " > " ;
                 // 共N条信息
                strCountww  =   " Total  "   +  recordCount.ToString()  +   "  Infos " ;
                 // 第N页/共N页
                strPageww  =   "   "   +  pageIndex.ToString()  +   " / "   +  pageCount.ToString()  +   "   " ;

                 // 处理页码显示样式
                 if  (intStyle  ==   1 )
                {
                     if  (_FirstStr  ==   "" )
                    {
                        _FirstStr  =   "  First  " ;
                    }
                     if  (_PrevStr  ==   "" )
                    {
                        _PrevStr  =   "  Previous  " ;
                    }
                     if  (_NextStr  ==   "" )
                    {
                        _NextStr  =   "  Next  " ;
                    }
                     if  (_LastStr  ==   "" )
                    {
                        _LastStr  =   "  Last  " ;
                    }
                }
                 else
                {
                     if  (_FirstStr  ==   "" )
                    {
                        _FirstStr  =   "  <<  " ;
                    }
                     if  (_PrevStr  ==   "" )
                    {
                        _PrevStr  =   "  <  " ;
                    }
                     if  (_NextStr  ==   "" )
                    {
                        _NextStr  =   "  >  " ;
                    }
                     if  (_LastStr  ==   "" )
                    {
                        _LastStr  =   "  >>  " ;
                    }
                }
            }
             #endregion
            
             // 没有记录
             if  (recordCount  <=   0 )
            {
                strPageShowww  =  strCountww;
            }
             // 有记录
             else
            {
                 // 只有一页
                 if  (pageCount  <=   1 )
                {
                    strPageShowww  =  strCountww  +   "    "   +  strPageww;
                }
                 // 不止一页
                 else
                {
                     // 页码链接处理
                     #region  页码链接处理
                     // 第一页
                     if  (pageIndex  ==   1 )
                    {
                        _FirstStr2  =  _FirstStr;
                        _PrevStr2  =  _PrevStr;
                    }
                     else
                    {
                         if  (isHtml)
                        {
                            _FirstStr2  =   " <a href=\ ""  + _TurnUrlStr +  " _1. "  + exName +  " \ " > "   +  _FirstStr  +   " </a> " ;
                            _PrevStr2  =   " <a href=\ ""  + _TurnUrlStr +  " _ "  + Convert.ToString(pageIndex - 1) +  " . "  + exName +  " \ " > "   +  _PrevStr  +   " </a> " ;
                        }
                         else
                        {
                            _FirstStr2  =   " <a href=\ ""  + _TurnUrlStr +  " ? "  + pageindexName +  " = 1 "  +  " & "  + _Options +  " \ " > "   +  _FirstStr  +   " </a> " ;
                            _PrevStr2  =   " <a href=\ ""  + _TurnUrlStr +  " ? "  + pageindexName +  " = "  + Convert.ToString(pageIndex - 1) +  " & "  + _Options +  " \ " > "   +  _PrevStr  +   " </a> " ;
                        }
                    }

                     // 最后一页
                     if  (pageIndex  ==  pageCount)
                    {
                        _NextStr2  =  _NextStr;
                        _LastStr2  =  _LastStr;
                    }
                     else
                    {
                         if  (isHtml)
                        {
                            _NextStr2  =   " <a href=\ ""  + _TurnUrlStr +  " _ "  + Convert.ToString(pageIndex + 1) +  " . "  + exName+  " \ " > "   +  _NextStr  +   " </a> " ;
                            _LastStr2  =   " <a href=\ ""  + _TurnUrlStr +  " _ "  + pageCount +  " . "  + exName +  " \ " > "   +  _LastStr  +   " </a> " ;
                        }
                         else
                        {
                            _NextStr2  =   " <a href=\ ""  + _TurnUrlStr +  " ? " +pageindexName+ " = "  + Convert.ToString(pageIndex + 1) +  " & "  + _Options +  " \ " > "   +  _NextStr  +   " </a> " ;
                            _LastStr2  =   " <a href=\ ""  + _TurnUrlStr +  " ? "  + pageindexName +  " = "  + pageCount +  " & "  + _Options +  " \ " > "   +  _LastStr  +   " </a> " ;
                        }
                    }

                     // ----处理显示页码-----------
                     if  (bolCount  ==   true ) // 共N条信息
                    {
                        strPageShowww  =  strPageShowww  +   "    "   +  strCountww;
                    }
                     if  (bolPage  ==   true ) // 第N页/共N页
                    {
                        strPageShowww  =  strPageShowww  +   "    "   +  strPageww;
                    }
                     if  (bolFirst  ==   true )  // 首页
                    {
                        strPageShowww  =  strPageShowww  +   "    "   +  _FirstStr2;
                    }
                    strPageShowww  =  strPageShowww  +   " {0} " ; // 上一页
                    strPageShowww  =  strPageShowww  +   " {1}{2} " ; // 下一页

                     if  (bolLast  ==   true ) // 尾页
                    {
                        strPageShowww  =  strPageShowww  +   "    "   +  _LastStr2;
                    }
                     if  (bolTurn  ==   true ) // 跳转控件
                    {
                        strPageShowww  =  strPageShowww  +   "    "   +  strTurnww;
                    }

                     #endregion
                     #region  样式一: 共X条信息 第N页/共M页 首页 上一页 下一页 尾页  跳转
                     if  (intStyle  ==   1 )
                    {
                        strPageShowww  =  strPageShowww.Replace( " {0} " ,  "    "   +  _PrevStr2); // 上一页
                        strPageShowww  =  strPageShowww.Replace( " {1} " ,  "    "   +  _NextStr2); // 下一页
                        strPageShowww  =  strPageShowww.Replace( " {2} " ,  "" ); //
                    }
                     #endregion
                     #region  样式二: 共X条信息 第N页/共M页 首页 1 2 3 尾页 跳转

                     if  (intStyle  ==   2 )
                    {
                         int  PageTemp  =   0 ;
                         string  strPageNum  =   "" ;
                         string  strTempNow  =   "" ;

                         // 当页码超过最后一批该显示
                         if  (pageIndex  >  pageCount  -  intShowNum  +   1 )
                        {
                            PageTemp  =  pageCount  <  intShowNum  ?   0  : pageCount  -  intShowNum;
                             for  ( int  i  =   1 ; i  <=  intShowNum; i ++ )
                            {
                                 if  (i  >  pageCount)  break ;

                                strTempNow  =  Convert.ToString(PageTemp  +  i);

                                 // 当前页不显示超链接
                                 if ( PageIndex  ==  PageTemp  +  i)
                                {
                                    strPageNum  =  strPageNum  +   " <b> "   +  strTempNow  +   " </b>  " ;
                                }
                                 else
                                {
                                     if  (isHtml)
                                    {
                                        strPageNum  =  strPageNum  +   " <a href=\ ""  + _TurnUrlStr +  " _ "  + strTempNow +  " . "  + exName +  " \ " > "   +  strTempNow  +   " </a>  " ;
                                    }
                                     else
                                    {
                                        strPageNum  =  strPageNum  +   " <a href=\ ""  + _TurnUrlStr +  " ? " +pageindexName+ " = "  + strTempNow +  " & "  + _Options +  " \ " > "   +  strTempNow  +   " </a>  " ;
                                    }
                                }
                            }
                        }
                         else
                        {
                             for  ( int  i  =   0 ; i  <  intShowNum; i ++ )
                            {
                                strTempNow  =  Convert.ToString(PageIndex  +  i);

                                 // 当前页不显示超链接
                                 if  (i  ==   0 )
                                {
                                    strPageNum  =  strPageNum  +   " <b> "   +  strTempNow  +   " </b>  " ;
                                }
                                 else
                                {
                                     if  (isHtml)
                                    {
                                        strPageNum  =  strPageNum  +   " <a href=\ ""  + _TurnUrlStr +  " _ "  + strTempNow +  " . "  + exName +  " \ " > "   +  strTempNow  +   " </a>  " ;
                                    }
                                     else
                                    {
                                        strPageNum  =  strPageNum  +   " <a href=\ ""  + _TurnUrlStr +  " ? P " +pageindexName+ " = "  + strTempNow +  " & "  + _Options +  " \ " > "   +  strTempNow  +   " </a>  " ;
                                    }
                                }
                            }
                        }

                         //
                        strPageShowww  =  strPageShowww.Replace( " {0} " ,  "    "   +  _PrevStr2); // 上一页
                        strPageShowww  =  strPageShowww.Replace( " {1} " ,  "    "   +  strPageNum); // 显示数字
                        strPageShowww  =  strPageShowww.Replace( " {2} " ,  "    "   +  _NextStr2); // 下一页
                    }
                     #endregion
                }
            }
             return  strPageShowww;
        }
         #endregion

    }
}

set  ANSI_NULLS  ON
set  QUOTED_IDENTIFIER  ON
go


ALTER   PROCEDURE   [ dbo ] . [ Pager ]
   @TableName   nvarchar ( 200 )             -- 查询表名1
 , @orderBy   nvarchar ( 200 )               -- 排序表达式2
 , @fieldlist   nvarchar ( 200 )  =   ' * '        -- 查询的列3
 , @WhereCondition   nvarchar ( 200 )  =   ''    -- 查询条件4
 , @PageIndex   int   =   1                    -- 索引页5
 , @pageSize   int   =   NULL                    -- 每页数量6
 , @RecordCount          int  out           -- 总行数7
 , @PageCount               int  out       -- 总页数8
AS
   SET  NOCOUNT  ON
   DECLARE
      @STMT   nvarchar ( max )          --  SQL to execute

   IF   LTRIM ( RTRIM ( @WhereCondition ))  =   ''   SET   @WhereCondition   =   ' 1 = 1 '
   IF   @pageSize   IS   NULL   BEGIN
     SET   @STMT   =    ' SELECT    '   +   @fieldlist   +  
                  ' FROM      '   +   @TableName   +
                  ' WHERE     '   +   @WhereCondition   +  
                  ' ORDER BY  '   +   @orderBy
     EXEC  ( @STMT )                  --  return requested records 
   END   ELSE   BEGIN
     SET   @STMT   =    ' SELECT   @RecordCount = COUNT(*)
                  FROM      '   +   @TableName   +   '
                  WHERE     '   +   @WhereCondition
     EXEC  sp_executeSQL  @STMT ,  @params   =  N ' @RecordCount  INT OUTPUT ' ,  @RecordCount    =   @RecordCount   OUTPUT
     -- SELECT @RecordCount  AS RecordCount        -- return the total # of records

     DECLARE
       @lbound   int ,
       @ubound   int

     SET   @PageIndex   =   ABS ( @PageIndex )
     SET   @pageSize   =   ABS ( @pageSize )
     IF   @PageIndex   <   1   SET   @PageIndex   =   1
     IF   @pageSize   <   1   SET   @pageSize   =   1
     SET   @lbound   =  (( @PageIndex   -   1 )  *   @pageSize )
     SET   @ubound   =   @lbound   +   @pageSize   +   1
     IF   @lbound   >=   @RecordCount    BEGIN
       SET   @ubound   =   @RecordCount    +   1
       SET   @lbound   =   @ubound   -  ( @pageSize   +   1 )  --  return the last page of records if                                               -- no records would be on the
                                               --  specified page
     END
     SET   @STMT   =    ' SELECT   '   +   @fieldlist   +   '
                  FROM    (
                            SELECT  ROW_NUMBER() OVER(ORDER BY  '   +   @orderBy   +   ' ) AS row, *
                            FROM     '   +   @TableName   +   '
                            WHERE    '   +   @WhereCondition   +   '
                          ) AS tbl
                  WHERE
                          row >  '   +   CONVERT ( varchar ( 9 ),  @lbound )  +   '  AND
                          row <  '   +   CONVERT ( varchar ( 9 ),  @ubound )
     EXEC  ( @STMT )                  --  return requested records 
   END

     --     获取总页数
     --     "CEILING"函数:取得不小于某数的最小整数
     SET   @PageCount   =   CEILING ( @RecordCount   *   1.0   /   @PageSize )