高效分页存储过程

create proc GetPageData

@pi int,//当前页码

@ps int//每页显示几条数据

as

begin

select * from (

select ROW_NUMBER() over(order by id) as RNum,* from userinfo

) as temp

where RNum>(@pi-1)*@ps and RNum<=@pi*@ps

end

exec GetPageData 2,2

调用

/// <summary>

/// 执行存储过程

/// </summary>

/// <param name="proName">存储过程名</param>

/// <param name="par"></param>

/// <returns></returns>

public DataTable Expro(string proName, params SqlParameter[] par)

{

SqlDataAdapter da = new SqlDataAdapter(proName, sqlCon);

da.SelectCommand.Parameters.AddRange(par);

da.SelectCommand.CommandType = CommandType.StoredProcedure;

DataTable dt = new DataTable();

da.Fill(dt);

return dt;

}

第二种分页2

////////////////////////////////////

create proc GetPageData2

@pi int,//当前页码

@ps int,//每页显示几条数据

@rc float output,//返回行总数

@pc float output//返回页总数

as

begin

select @rc=count(*) from userinfo

select @pc=ceiling(@rc/@ps)

select * from (

select ROW_NUMBER() over(order by id) as RNum,* from userinfo

) as temp

where RNum>(@pi-1)*@ps and RNum<=@pi*@ps

end

调用

public DataTable GetPageList(string proName,int pageIndex, int pageSize, out int rowCount, out int pageCount)

{

rowCount = 0;

pageCount = 0;

SqlCommand com = new SqlCommand(proName,sqlCon);

com.CommandType = CommandType.StoredProcedure;

SqlParameter[] par = new SqlParameter[] {

new SqlParameter("@pi",pageIndex),

new SqlParameter("@ps",pageSize),

new SqlParameter("@rc",rowCount),

new SqlParameter("@pc",pageCount)

};

par[2].Direction = ParameterDirection.Output;

par[3].Direction = ParameterDirection.Output;

com.Parameters.AddRange(par);

SqlDataAdapter da = new SqlDataAdapter();

DataTable dt=new DataTable();

da.SelectCommand = com;

da.Fill(dt);

rowCount =Convert.ToInt32(par[2].Value);

pageCount = Convert.ToInt32(par[3].Value);

return dt;

}

}