ASP.NET分页存储过程

-- =============================================
-- Author:
-- Create date: 
-- Description:    分页
--Update Date:
--增加了默认排序规则，根据主键升序（防止在视图查询中乱号）
-- =============================================
ALTER PROCEDURE [dbo].[getdatabyPageIndex]
@tablename nvarchar(200),
@columns nvarchar(500)=‘*‘,
@condition nvarchar(200)=‘‘,
@pagesize int=10,
@pageindex int=0,
@pk nvarchar(30),
@total int output, --统计总共的条数
@orderculumn nvarchar(50)=@pk,
@isasc nvarchar(10)=‘desc‘

AS
BEGIN
    DECLARE @sql nvarchar(2000)
    SET @sql=‘select top ‘+cast(@pagesize AS nvarchar(10))+‘ ‘+@columns+‘ from ‘+@tablename+‘ where ‘+
    @pk+‘ not in (select top ‘+cast((@pagesize*@pageindex) AS nvarchar(10))+
    ‘ ‘+@pk+‘ from ‘+@tablename +‘ where 1=1 ‘+@condition+‘ order by ‘+@orderculumn+‘ ‘+@isasc+‘)‘+@condition +‘ order by ‘+@orderculumn+‘ ‘+@isasc
     PRINT @sql
        EXEC(@sql)
        DECLARE @sql2 nvarchar(2000)        
        SET  @sql2=‘SELECT @total1 = count(*) FROM ‘+ @tablename+‘ WHERE 1=1 ‘+ @condition
        EXEC sp_executesql @sql2,N‘@total1 int output‘,@total output
       
END

      /// <summary>
      /// 分页功能
      /// </summary>
      /// <param name="tablename">表名</param>
      /// <param name="columns">列名</param>
      /// <param name="condition">条件,不需要带where</param>
      /// <param name="pagesize">每页显示条数</param>
      /// <param name="pageindex">页码</param>
      /// <param name="pk">主键</param>
      /// <returns>DataTable</returns>
      public DataTable getdatabyPageIndex(string tablename, string columns, string condition, int pagesize, int pageindex, string pk,out int totalcount,string ordercolumn,string isasc)
      {
          string order = "";
          if (ordercolumn == null)
          {
              order = pk;
          }

          string asc = "";
          if (isasc == null)
          {
              isasc = "desc";
          }

        SqlParameter[] pars = new SqlParameter[]{
         new SqlParameter("@tablename",tablename),
         new SqlParameter("@columns",columns),
         new SqlParameter("@condition",condition),
         new SqlParameter("@pagesize",pagesize),
         new SqlParameter("@pageindex",pageindex),
         new SqlParameter("@pk",pk),
         new SqlParameter("@total",SqlDbType.Int),
         new SqlParameter("@orderculumn",ordercolumn),
         new SqlParameter("@isasc",isasc)
       };
         pars[6].Direction = ParameterDirection.Output;
         DataTable dt= db.ExcuteSelectReturnDataTable("sp_getdatabyPageIndex", CommandType.StoredProcedure, pars);
         totalcount=  int.Parse(pars[6].Value.ToString());
         return dt;       
      }


        /// <summary>
        /// 执行一个Select语句或者相应的存储过程实现返回数据集合DataSet
        /// </summary>
        /// <param name="SelectStr">执行一个Select语句或者相应的存储过程</param>
        /// <param name="type">指定命令类型</param>
        /// <param name="pars">相应参数集合</param>
        /// <returns>DataSet</returns>
        public DataSet ExcuteSelectReturnDataSet(string SelectStr, CommandType type, SqlParameter[] pars)
        {
            DataSet ds = new DataSet();
            SqlConnection conn = new SqlConnection(ConnString);            
            SqlDataAdapter sda = new SqlDataAdapter(SelectStr, conn);
            if (pars != null && pars.Length > 0)
            {
                foreach (SqlParameter p in pars)
                {
                    sda.SelectCommand.Parameters.Add(p);
                }
            }
            sda.SelectCommand.CommandType = type;
            sda.Fill(ds);
            return ds;        
        }

    <style type="text/css">
        .pages {  color: #999; }
        .pages a, .pages .cpb { text-decoration:none;float: left; padding: 0 5px; border: 1px solid #ddd;background: #ffff;margin:0 2px; font-size:11px; color:#000;}
        .pages a:hover { background-color: #2F7EAE; color:#fff;border:1px solid #2F7EAE; text-decoration:none;}
        .pages .cpb { font-weight: bold; color: #fff; background: #2F7EAE; border:1px solid #2F7EAE;}
        .bt{ padding-left:10px}
    </style>


<webdiyer:AspNetPager ID="AspNetPager1" runat="server" FirstPageText="首页"
                            LastPageText="尾页" NextPageText="下一页" PageIndexBoxType="DropDownList"
                            PrevPageText="上一页" ShowCustomInfoSection="Left" ShowPageIndexBox="Always"
                            SubmitButtonText="Go" TextAfterPageIndexBox="页" TextBeforePageIndexBox="转到"
                            AlwaysShow="True"
                            CustomInfoHTML="第%CurrentPageIndex%/%PageCount%页，每页%PageSize%条，共%RecordCount%条信息&nbsp;"
                            LayoutType="Table" CssClass="pages" CurrentPageButtonClass="cpb" CustomInfoClass="paginator"
                            Height="20px" Wrap="False"
                            NumericButtonCount="2"
                            CustomInfoSectionWidth="60%" OnPageChanging="AspNetPager1_PageChanging"
                            OnPageChanged="AspNetPager1_PageChanged">
                        </webdiyer:AspNetPager>

    string condition = "  ";
    //每页条数
    int pagesize = 1;
    //总共条数
    int recordCount = 0;
    //第几页
    int pageindex = 0;


    public void getInfo()
    { 
        rptwhs.DataSource = db.getdatabyPageIndex("tbweihushang","*",condition,pagesize,pageindex,"id",out recordCount,null,null);
        rptwhs.DataBind();
        AspNetPager1.RecordCount = recordCount;
        AspNetPager1.PageSize = pagesize;
    }

    protected void AspNetPager1_PageChanged(object sender, EventArgs e)
    {
        pageindex = AspNetPager1.CurrentPageIndex - 1;
        getInfo();
    }
    protected void AspNetPager1_PageChanging(object src, Wuqi.Webdiyer.PageChangingEventArgs e)
    {
        AspNetPager1.CurrentPageIndex = e.NewPageIndex;
        getInfo();
    }