Sql分页存储过程以及实现

创建一个类文件,内容如下:
using System;
using DataHelper;
using System.Data;
using System.Data.SqlClient;
using System.Web;
using System.Configuration;
namespace ClassBase
{
public class Paging
{
#region 初始值
private int pagesize=10;//每页显示的记录数
private int pageindex=1;//当前要显示的页号
private string pkname="ID";//主键名
private string table;//不包含from关键子，如：myTable或者myTable,yourTable
private string fields="*";//不包含select关键字,如：*或者Id,UserId,UserName等
private string orderby="ID ASC";//order by 子句，不包含order by 子句 ，如id desc,UserId asc 等
private string where="";//Where子句，不包含where关键字，如空的，或者 id>2 等

private int ordertype=1;
private string link;
#endregion
#region 初始值及属性
public string PkName
{
get{return this.pkname;}
set{this.pkname = value;}
}
/// <summary>
/// 表名
/// </summary>
public string Table
{
get{return this.table;}
set{this.table = value;}
}
/// <summary>
/// 需要返回的列
/// </summary>
public string Fields
{
get{return this.fields;}
set{this.fields = value;}
}
/// <summary>
/// 排序的字段名
/// </summary>
public string OrderBy
{
get{return this.orderby;}
set{this.orderby = value;}
}
/// <summary>
/// 条件
/// </summary>
public string Where
{
get{return this.where;}
set{this.where = value;}
}
/// <summary>
/// 每页显示的条数
/// </summary>
public int PageSize
{
get{return this.pagesize;}
set{
if(this.pagesize > 1)
this.pagesize = value;
else
this.pagesize=Convert.ToInt32(ConfigurationSettings.AppSettings["PageSize"]);
}
}
/// <summary>
/// 当前第几页
/// </summary>
public int PageIndex
{
get{return this.pageindex;}
set{
if(this.pageindex > 0)
this.pageindex = value;
else
this.pageindex = 1;
}

}
/// <summary>
/// 0为顺序，1为倒序
/// </summary>
public int OrderType
{
get{return this.ordertype;}
set{ this.ordertype=value;}
}
public string Link
{
get{return this.link;}
}
#endregion
public Paging()
{
if(ordertype==1)
this.orderby="ID Desc";
}
public Paging(string table,string fields,string orderby,string pkname,int pagesize,int pageindex,int ordertype,string where)
{
this.table = table;
this.fields = fields;
//this.orderby = orderby;
this.pkname = pkname;
this.pagesize = pagesize;
this.pageindex = pageindex;
this.ordertype = ordertype;
this.where = where;
if(ordertype==1)
this.orderby="ID Desc";
}
/// <summary>
/// 返回分页后的记录
/// </summary>
/// <param name="url"></param>
/// <returns></returns>
public DataTable GetList(string url)
{
int sumcount;//总记录数
int sumpage;//总页数
string sql="PageShowOne";//存储过程名

/*@PageSize int=10 ,--每页显示的记录数
///@PageCurrent int=1 ,--当前要显示的页号
///@FdName varchar(100)='' ,--主键名或者标识列名
///@SelectStr varchar(2000)='', --select子句，不包含select关键字,如：*或者Id,UserId,UserName等。
///@FromStr varchar(1000)='', --from子句，不包含from关键子，如：myTable或者myTable,yourTable
///@WhereStr varchar(2000)='', --Where子句，不包含where关键字，如空的，或者 id>2 等
///@OrderByStr varchar(1000)='',--order by 子句，不包含order by 子句 ，如id desc,UserId asc 等
///@CountRows int=0 output, --返回记录总数
///@CountPage int=0 output --返回总页数
*/
SqlParameter[] para=new SqlParameter[]{
new SqlParameter("@PageSize",this.pagesize),
new SqlParameter("@PageCurrent",this.pageindex),
new SqlParameter("@FdName",this.pkname),
new SqlParameter("@SelectStr",this.fields),
new SqlParameter("@FromStr",this.table),
new SqlParameter("@WhereStr",this.where),
new SqlParameter("@OrderByStr",this.orderby),
new SqlParameter("@CountRows",SqlDbType.Int),
new SqlParameter("@CountPage",SqlDbType.Int)

};

para[7].Direction = ParameterDirection.Output;

DataTable dt=new DataTable();
dt=DataHelper.SqlHelper.ExecuteDataset(GetCon.ConString,CommandType.StoredProcedure,sql,para).Tables[0];
sumcount=Convert.ToInt32(para[7].Value);//取得总记录数
sumpage=(int)Math.Ceiling((double)sumcount/pagesize);//计算分成多少页

int iStart=pageindex-3;
int iEnd=pageindex+2;
if(iStart<0) iStart = 0;
if(iEnd>sumpage) iEnd =sumpage;

if(sumpage>1)
{
string gourl="<input type=/"text/" id=/"txturl/" value=/""+this.pageindex+"/" style=/"width:30px;/" /><input type=/"button/" onclick=/"gotourl();/" value=/" GO /" />";
string fpage="<a href=/""+url+"pageindex=1/" {0}><font face=/"webdings/" title='转到第一页'>9</font></a> ";//第一页
string npage="<a href=/""+url+"pageindex="+Convert.ToString(this.pageindex + 1)+"/" {0} title='转到下一页'><font face=/"webdings/">4</font></a> ";//下一页
string ppage="<a href=/""+url+"pageindex="+Convert.ToString(this.pageindex - 1)+"/" {0} title='转到上一页'><font face=/"webdings/">3</font></a> ";//上一页
string lpage="<a href=/""+url+"pageindex="+Convert.ToString(sumpage)+"/" {0} title='转到最后一页'><font face=/"webdings/">:</font></a> ";//最后一页
link = "共<b>"+ sumcount.ToString() + "</b>条记录,分成<b>" + sumpage.ToString() + "</b>页,当前第<b>"+pageindex.ToString()+"</b>页 ";

if(this.pageindex == 1)
{
//link += string.Format(fpage,"disabled=/"true/"");//第一页
//link +=string.Format(ppage,"disabled=/"true/"");// + gourl;
//link +=
for(int i=iStart;i<iEnd;i++)
{
if((i+1)==pageindex)
link +="<u>"+Convert.ToString(i+1)+"</u> ";
else
link +="<a href=/""+url+"pageindex="+Convert.ToString(i+1)+"/" title=/"跳转到第"+Convert.ToString(i+1)+"页/"><b>"+Convert.ToString(i+1)+"</b></a> ";
}
link+=string.Format(npage,"");
link+=string.Format(lpage,"");
link +=gourl;
}
else if(this.pageindex == sumpage)
{
link += string.Format(fpage,"");//第一页
link +=string.Format(ppage,"");// + gourl;
//link +=
for(int i=iStart;i<iEnd;i++)
{
if((i+1)==pageindex)
link +="<u>"+Convert.ToString(i+1)+"</u> ";
else
link +="<a href=/""+url+"pageindex="+Convert.ToString(i+1)+"/" title=/"跳转到第"+Convert.ToString(i+1)+"页/"><b>"+Convert.ToString(i+1)+"</b></a> ";
}
//link+=string.Format(npage,"");
//link+=string.Format(lpage,"");
link +=gourl;
}
else
{
link += string.Format(fpage,"");//第一页
link +=string.Format(ppage,"");// + gourl;
//link +=
for(int i=iStart;i<iEnd;i++)
{
if((i+1)==pageindex)
link +="<u>"+Convert.ToString(i+1)+"</u> ";
else
link +="<a href=/""+url+"pageindex="+Convert.ToString(i+1)+"/" title=/"跳转到第"+Convert.ToString(i+1)+"页/"><b>"+Convert.ToString(i+1)+"</b></a> ";
}
link+=string.Format(npage,"");
link+=string.Format(lpage,"");
link +=gourl;
}
link [url=mailto:+=@]function">+=@"<script>function gotourl(){var pageindex=document.getElementById('txturl').value;";
link [url=mailto:+=@]+=@"var pattern=/^/d+$/;";
link [url=mailto:+=@]+=@"if(!pattern.test(pageindex) || pageindex.length==0 || pageindex=='' || pageindex<=0){alert('请输入一个大与0的整数！');return false;}";
link [url=mailto:+=@]"+sumpage+"){alert('">+=@"if(pageindex>"+sumpage+"){alert('索引超出范围！');return false;}";
link [url=mailto:+=@]+=@"[window.location.href]='"+url+"pageindex='+pageindex;}</script>";

}

return dt;
}
}
}
创建一个wen窗体，该窗体拥有一控件Repeater ，一个　Label,在　．cs页面添加一个方法，方法如下:
private void binddata()
{
Paging p = new Paging();
p.Table = "VIEW_DressProvide";
p.Fields = "*";
p.PageIndex = pageindex;
p.PageSize = 7;
p.OrderBy = "id desc";
p.PkName = "";
p.Where = "";
DataTable dt = p.GetList("?");
if (dt.Rows.Count > 0)
{
this.Repeater1.Visible = true;
this.Label1.Text = "<div align='center'>" + p.Link + "</div>";
this.Repeater1.DataSource = dt;
this.Repeater1.DataBind();
}
else
{
this.Repeater1.Visible = false;
this.Label1.Text = "<table width='756' border='1' bordercolor='#CCCCCC' bordercolordark='#FFFFFF' cellpadding='0' cellspacing='0'><tr><td height='50' align='center'>对不起!本页没有记录!</td></tr></table>";
}
dt.Dispose();
}
在Page_Load进行调用
if(!Page.IsPostBack)
{
this.binddata();
}

到此分页成功