ASP.NET+SQLServer 2008ページング、シンプルで実用的

/// 

///         
/// 
///   ， and  
///     
///    -1
///     
/// 
public DataSet GetListByPage(string strWhere, string orderby, int pageindex, int pagesize)
{
    string tablename = "t_JinYinShangHu";
    StringBuilder strSql = new StringBuilder();

    strSql.Append("select top " + pagesize + " * from " + tablename + " where id not in ");
    strSql.Append(" (");
    strSql.Append("     select top " + pageindex * pagesize + " id from " + tablename + " order by " + orderby);
    strSql.Append(" )");
    strSql.Append(strWhere);
    strSql.Append(" order by " + orderby);
    return DbHelperSQL.Query(strSql.ToString());
}

/// 

///         
/// 
public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
{
    StringBuilder strSql = new StringBuilder();
    strSql.Append("SELECT * FROM ( ");
    strSql.Append(" SELECT ROW_NUMBER() OVER (");
    if (!string.IsNullOrEmpty(orderby.Trim()))
    {
        strSql.Append("order by T." + orderby);
    }
    else
    {
        strSql.Append("order by T.ID desc");
    }
    strSql.Append(")AS Row, T.*  from t_Real_Estate T ");//     ，          
    if (!string.IsNullOrEmpty(strWhere.Trim()))
    {
        strSql.Append(" WHERE " + strWhere);
    }
    strSql.Append(" ) TT");
    strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
    return dbSys.ExecuteDataSet(strSql.ToString());
}

int start = AspNetPager1.PageSize * (AspNetPager1.CurrentPageIndex - 1) + 1;//     1
int end = AspNetPager1.PageSize * AspNetPager1.CurrentPageIndex;
//Response.Write(start.ToString() + "," + end.ToString());
rptDataList.DataSource = new dProduct().GetListByPage(where, " Sort asc,Joindate desc,Hits desc", start, end).Tables[0];
rptDataList.DataBind();